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78663 Zip Code (Round Mountain, TX) Detailed Profile




City: Round Mountain, TX (1.68%)
Counties: Blanco County, TX (94.92%), Travis County, TX (3.31%), Hays County, TX (1.77%)
Estimated zip code population in 2022: 615
Zip code population in 2010: 746
Zip code population in 2000: 351

Houses and condos: 361
Renter-occupied apartments: 34
% of renters here:

10%
State:

38%
March 2022 cost of living index in zip code 78663: 75.9 (low, U.S. average is 100)

Land area: 123.1 sq. mi.
Water area: 0.7 sq. mi.
Population density: 5 people per square mile 
 
 (very low).

Age and Sex of Residents in zip code 78663
  • OSM Map
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Real estate property taxes paid for housing units in 2022:
This zip code:

0.7% ($1,424)
Texas:

1.5% ($4,050)
Median real estate property taxes paid for housing units with mortgages in 2022: $1,439 (0.6%)

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Males: 342  (55.6%)
Females: 273  (44.4%)

For population 25 years and over in 78663:

  • High school or higher: 95.5%
  • Bachelor's degree or higher: 21.7%
  • Graduate or professional degree: 2.3%
  • Unemployed: 14.3%
  • Mean travel time to work (commute): 33.5 minutes

For population 15 years and over in 78663:

  • Never married: 5.5%
  • Now married: 84.0%
  • Separated: 0.0%
  • Widowed: 6.6%
  • Divorced: 3.9%

Zip code 78663 compared to state average:

  • Median household income above state average.
  • Unemployed percentage significantly above state average.
  • Black race population percentage significantly below state average.
  • Hispanic race population percentage significantly below state average.
  • Median age significantly above state average.
  • Foreign-born population percentage significantly below state average.
  • Renting percentage significantly below state average.
  • Length of stay since moving in significantly above state average.
  • Number of college students significantly below state average.
  • Races in zip code 78663 (2022)
    • 52385.3%White
    • 6410.4%Native Hawaiian and Other
      Pacific Islander
    • 264.2%Hispanic or Latino
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78663, TX forum
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100% rural population.

Estimated median house/condo value in 2022: $206,897
78663:

$206,897
Texas:

$275,400



According to our research of Texas and other state lists, there were 3 registered sex offenders living in 78663 zip code as of May 28, 2024.
The ratio of all residents to sex offenders in zip code 78663 is 280 to 1.


Median resident age:
This zip code:

58.6 years
Texas median age:

35.6 years
Average household size:
This zip code:

1.8 people
Texas:

2.6 people

Averages for the 2020 tax year for zip code 78663, filed in 2021:

Average Adjusted Gross Income (AGI) in 2020: $135,569 (Individual Income Tax Returns)
Here:

$135,569
State:

$77,054

Salary/wage: $102,990 (reported on 69.0% of returns)
Here:

$102,990
State:

$62,766
(% of AGI for various income ranges: 1325.7% for AGIs below $25k, 4138.0% for AGIs $25k-50k, 6146.7% for AGIs $50k-75k, 9730.0% for AGIs $75k-100k, 11014.0% for AGIs $100k-200k)

Taxable interest for individuals: $2,763 (reported on 45.2% of returns)
This zip code:

$2,763
Texas:

$2,665
(% of AGI for various income ranges: 10.0% for AGIs below $25k, 48.0% for AGIs $25k-50k, 70.0% for AGIs $50k-75k, 70.0% for AGIs $75k-100k, 532.0% for AGIs $100k-200k)

Ordinary dividends: $10,769 (reported on 31.0% of returns)
Here:

$10,769
State:

$10,044
(% of AGI for various income ranges: 160.0% for AGIs $25k-50k, 703.3% for AGIs $50k-75k, 1360.0% for AGIs $100k-200k)

Net capital gain/loss in AGI: +$32,343 (reported on 33.3% of returns)
Here:

+$32,343
State:

+$39,590
(% of AGI for various income ranges: 226.0% for AGIs $25k-50k, 583.3% for AGIs $50k-75k, 1358.0% for AGIs $100k-200k)

Profit/loss from business: +$25,900 (reported on 23.8% of returns)
Here:

+$25,900
State:

+$10,888
(% of AGI for various income ranges: 480.0% for AGIs below $25k, 766.7% for AGIs $50k-75k, 4048.0% for AGIs $100k-200k)

Taxable individual retirement arrangement distribution: $47,300 (reported on 11.9% of returns)
78663:

$47,300
Texas:

$24,740
(% of AGI for various income ranges: 462.0% for AGIs $25k-50k, 4268.0% for AGIs $100k-200k)

Total itemized deductions: $39,483 (reported on 14.3% of returns)
Here:

$39,483
State:

$40,428
(% of AGI for various income ranges: 5375.0% for AGIs $75k-100k)

Charity contributions: $14,980 (reported on 11.9% of returns)
Here:

$14,980
State:

$18,201
(% of AGI for various income ranges: 783.3% for AGIs $50k-75k)

Taxes paid: $8,017 (reported on 14.3% of returns)
78663:

$8,017
State:

$7,821
(% of AGI for various income ranges: 1280.0% for AGIs $75k-100k)

Earned income credit: $1,650 (reported on 9.5% of returns)
Here:

$1,650
State:

$2,584
(% of AGI for various income ranges: 94.3% for AGIs below $25k)

Percentage of individuals using paid preparers for their 2020 taxes: 92.9%
Here:

93%
State:

92%
(% for various income ranges: 91.7% for AGIs below $25k, 87.5% for AGIs $25k-50k, 100.0% for AGIs $50k-75k, 100.0% for AGIs $75k-100k, 87.5% for AGIs $100k-200k, 100.0% for AGIs over 200k)

Averages for the 2012 tax year for zip code 78663, filed in 2013:

Average Adjusted Gross Income (AGI) in 2012: $81,934 (Individual Income Tax Returns)
Here:

$81,934
State:

$65,384

Salary/wage: $54,465 (reported on 69.0% of returns)
Here:

$54,465
State:

$52,524
(% of AGI for various income ranges: 60.0% for AGIs below $25k, 70.1% for AGIs $25k-50k, 51.8% for AGIs $50k-75k, 68.0% for AGIs $75k-100k, 118.3% for AGIs $100k-200k)

Taxable interest for individuals: $1,750 (reported on 41.4% of returns)
This zip code:

$1,750
Texas:

$2,372
(% of AGI for various income ranges: 1.1% for AGIs below $25k, 1.3% for AGIs $25k-50k, 1.6% for AGIs $50k-75k, 2.6% for AGIs $100k-200k)

Ordinary dividends: $5,171 (reported on 24.1% of returns)
Here:

$5,171
State:

$9,721

Net capital gain/loss in AGI: +$18,986 (reported on 24.1% of returns)
Here:

+$18,986
State:

+$35,319

Profit/loss from business: +$6,875 (reported on 27.6% of returns)
Here:

+$6,875
State:

+$13,732

Taxable individual retirement arrangement distribution: $24,467 (reported on 10.3% of returns)
78663:

$24,467
Texas:

$19,511

Total itemized deductions: $28,450 (15% of AGI, reported on 27.6% of returns)
Here:

$28,450
State:

$24,724

Here:

15.2% of AGI
State:

15.9% of AGI
(% of AGI for various income ranges: 34.2% for AGIs $50k-75k, 27.5% for AGIs $100k-200k)

Charity contributions: $8,567 (reported on 20.7% of returns)
Here:

$8,567
State:

$6,808
(% of AGI for various income ranges: 5.0% for AGIs $50k-75k, 7.6% for AGIs $100k-200k)

Taxes paid: $7,375 (reported on 27.6% of returns)
78663:

$7,375
State:

$6,921

Earned income credit: $2,020 (reported on 17.2% of returns)
Here:

$2,020
State:

$2,570
(% of AGI for various income ranges: 7.8% for AGIs below $25k)

Percentage of individuals using paid preparers for their 2012 taxes: 58.6%
Here:

59%
State:

51%
(% for various income ranges: 54.5% for AGIs below $25k, 50.0% for AGIs $25k-50k, 100.0% for AGIs $50k-75k, 100.0% for AGIs $100k-200k)

Averages for the 2004 tax year for zip code 78663, filed in 2005:

Average Adjusted Gross Income (AGI) in 2004: $53,817 (Individual Income Tax Returns)
Here:

$53,817
State:

$47,881

Salary/wage: $51,371 (reported on 70.9% of returns)
Here:

$51,371
State:

$41,947
(% of AGI for various income ranges: 103.4% for AGIs below $10k, 68.6% for AGIs $10k-25k, 67.1% for AGIs $25k-50k, 63.7% for AGIs $50k-75k, 77.1% for AGIs $75k-100k, 65.2% for AGIs over 100k)

Taxable interest for individuals: $2,083 (reported on 53.0% of returns)
This zip code:

$2,083
Texas:

$2,255
(% of AGI for various income ranges: 9.5% for AGIs below $10k, 1.2% for AGIs $10k-25k, 3.3% for AGIs $25k-50k, 4.9% for AGIs $50k-75k, 1.5% for AGIs $75k-100k, 0.8% for AGIs over 100k)

Taxable dividends: $2,333 (reported on 20.3% of returns)
Here:

$2,333
State:

$4,261

Net capital gain/loss: +$10,230 (reported on 24.3% of returns)
Here:

+$10,230
State:

+$16,110
(% of AGI for various income ranges: 42.2% for AGIs below $10k, 1.7% for AGIs $25k-50k, 2.4% for AGIs $50k-75k, 7.6% for AGIs over 100k)

Profit/loss from business: +$3,049 (reported on 24.3% of returns)
Here:

+$3,049
State:

+$11,013
(% of AGI for various income ranges: 12.9% for AGIs below $10k, 1.4% for AGIs $25k-50k, 5.7% for AGIs $50k-75k, 1.3% for AGIs $75k-100k)

Total itemized deductions: $19,109 (18% of AGI, reported on 25.5% of returns)
Here:

$19,109
State:

$19,631

Here:

17.8% of AGI
State:

18.9% of AGI
(% of AGI for various income ranges: 16.1% for AGIs $25k-50k, 10.8% for AGIs $50k-75k, 9.0% for AGIs $75k-100k, 7.4% for AGIs over 100k)

Charity contributions deductions: $2,731 (3% of AGI, reported on 20.7% of returns)
Here:

$2,731
State:

$4,753

Here:

2.9% of AGI
State:

4.2% of AGI
(% of AGI for various income ranges: 0.9% for AGIs $25k-50k, 1.6% for AGIs $50k-75k, 0.7% for AGIs $75k-100k, 1.2% for AGIs over 100k)

Total tax: $10,235 (reported on 78.1% of returns)
78663:

$10,235
State:

$9,058
(% of AGI for various income ranges: 7.5% for AGIs below $10k, 5.1% for AGIs $10k-25k, 6.8% for AGIs $25k-50k, 11.1% for AGIs $50k-75k, 11.5% for AGIs $75k-100k, 21.7% for AGIs over 100k)

Earned income credit: $1,720 (reported on 10.0% of returns)
Here:

$1,720
State:

$2,024

Percentage of individuals using paid preparers for their 2004 taxes: 66.9%
Here:

67%
State:

57%
(% for various income ranges: 66.7% for AGIs below $10k, 59.6% for AGIs $10k-25k, 69.7% for AGIs $25k-50k, 70.0% for AGIs $50k-75k, 62.5% for AGIs $75k-100k, 76.0% for AGIs over 100k)

Estimated median household income in 2022:
This zip code:

$149,044
Texas:

$72,284
Round Mountain, TX (78663) map Nearest zip codes: 78636, 78657, 78654, 78669, 78639, 78620.
Round Mountain Zip Code Map

Percentage of family households:
This zip code:

50.7%
Texas:

50.5%
Percentage of households with unmarried partners:
This zip code:

6.0%
Texas:

48.7%
No gay or lesbian households reported

Household received Food Stamps/SNAP in the past 12 months: 2
Household did not receive Food Stamps/SNAP in the past 12 months: 329


Women who did not have a birth in the past 12 months: 81 (60 now married, 19 unmarried)


Housing units in zip code 78663 with a mortgage: 158
Houses without a mortgage: 27

Median monthly owner costs for units with a mortgage: $1,703
Median monthly owner costs for units without a mortgage: $626

Residents with income below the poverty level in 2022:
This zip code:

2.1%
Whole state:

14.0%
Residents with income below 50% of the poverty level in 2022:
This zip code:

1.6%
Whole state:

7.4%
Median number of rooms in houses and condos:
Here:

6.3
State:

6.3
Median number of rooms in apartments:
Here:

3.6
State:

4.0
  • Notable locations in this zip code not listed on our city pages

  • Click to draw/clear zip code borders
  • Notable locations in zip code 78663: Voyles Lazy V Ranch (A), Round Mountain Volunteer Fire Department (B). Display/hide their locations on the map

    Church in zip code 78663: Walnut Hill Church (A). Display/hide its location on the map

    Cemeteries: Davis Cemetery (1), Round Mountain Cemetery (2), Comanche Cemetery (3). Display/hide their locations on the map

    Lakes: Mustang Lake (A), Taylor Lake (B). Display/hide their locations on the map

    Streams, rivers, and creeks: Cleveland Branch (A). Display/hide its location on the map

    Park in zip code 78663: Pedernales Falls State Park (1). Display/hide its location on the map

Year house built
  • Year house built (houses)
  • 22020 or later
  • 492010 to 2019
  • 1082000 to 2009
  • 271990 to 1999
  • 291980 to 1989
  • 631970 to 1979
  • 31960 to 1969
  • 71950 to 1959
  • 121940 to 1949
  • 541939 or earlier

Zip code 78663 satellite photo by USGS

Owner-occupied Renter-occupied
Bedrooms in owner-occupied houses and condos in Round Mountain, TX (78663)
  • Bedrooms in owner-occupied houses and condos in Round Mountain, TX (78663)
  • 4no bedroom
  • 541 bedroom
  • 342 bedrooms
  • 1233 bedrooms
  • 224 bedrooms
  • 645+ bedrooms
Bedrooms in renter-occupied apartments in Round Mountain, TX (78663)
  • Bedrooms in renter-occupied apartments in Round Mountain, TX (78663)
  • 0no bedroom
  • 01 bedroom
  • 132 bedrooms
  • 203 bedrooms
  • 04 bedrooms
  • 05+ bedrooms
Owner-occupied Renter-occupied
Cars and other vehicles available in Round Mountain, TX (78663) in owner-occupied houses/condos
  • Cars and other vehicles available in Round Mountain, TX (78663) in owner-occupied houses/condos
  • 0no vehicle
  • 441 vehicle
  • 1652 vehicles
  • 633 vehicles
  • 264 vehicles
  • 05+ vehicles
Cars and other vehicles available in Round Mountain, TX (78663) in renter-occupied apartments
  • Cars and other vehicles available in Round Mountain, TX (78663) in renter-occupied apartments
  • 0no vehicle
  • 221 vehicle
  • 132 vehicles
  • 03 vehicles
  • 04 vehicles
  • 05+ vehicles

  • Zip code 78663 household income distribution in 2022

  • Zip code 78663 household income distribution in 2022
  • 14Less than $10,000
  • 5$20,000 to $24,999
  • 10$30,000 to $34,999
  • 2$35,000 to $39,999
  • 17$40,000 to $44,999
  • 13$45,000 to $49,999
  • 4$50,000 to $59,999
  • 78$75,000 to $99,999
  • 3$100,000 to $124,999
  • 4$125,000 to $149,999
  • 93$150,000 to $199,999
  • 89$200,000 or more
  • Estimate of home value of owner-occupied houses/condos in 2022 in zip code 78663

  • Estimate of home value of owner-occupied houses/condos in 2022 in zip code 78663
  • 7Less than $10,000
  • 1$10,000 to $14,999
  • 13$40,000 to $49,999
  • 1$50,000 to $59,999
  • 1$80,000 to $89,999
  • 8$100,000 to $124,999
  • 1$125,000 to $149,999
  • 87$150,000 to $174,999
  • 49$175,000 to $199,999
  • 2$200,000 to $249,999
  • 29$250,000 to $299,999
  • 17$300,000 to $399,999
  • 7$400,000 to $499,999
  • 18$500,000 to $749,999
  • 12$750,000 to $999,999
  • 2$1,500,000 to $1,999,999
  • 30$2,000,000 or more
  • Rent paid by renters in 2022 in zip code 78663

  • Rent paid by renters in 2022 in zip code 78663
  • 1$1,500 to $1,999
  • 32No cash rent

Estimated median house (or condo) value in 2022 for:

  • White Non-Hispanic householders: $192,819
  • Some other race householders: $217,495
  • Hispanic or Latino householders: $217,495

Estimated median house or condo value in 2022: $206,897
78663:

$206,897
Texas:

$275,400
Lower value quartile - upper value quartile: $185,601 - $327,369

Mean price in 2022:

Detached houses: $1,550,615
Here:

$1,550,615
State:

$369,058

Mobile homes: $605,021
Here:

$605,021
State:

$124,413

Occupied boats, RVs, vans, etc.: $3,677
Here:

$3,677
State:

$73,921
Owners and renters by unit type in zip code 78663

Housing units in structures:

  • One, detached: 314
  • Mobile homes: 28
  • Boats, RVs, vans, etc.: 20

Unemployment: 14.3%

  • Means of transportation to work in zip code 78663

  • Means of transportation to work in zip code 78663
  • 76.4%268Drove a car alone
  • 0.3%1Carpooled
  • 0.6%2Walked
  • 23.9%84Worked at home
  • Travel time to work (commute) in zip code 78663

  • Travel time to work (commute) in zip code 78663
  • 41Less than 5 minutes
  • 55 to 9 minutes
  • 1910 to 14 minutes
  • 5815 to 19 minutes
  • 6020 to 24 minutes
  • 1125 to 29 minutes
  • 335 to 39 minutes
  • 3245 to 59 minutes
  • 860 to 89 minutes
  • 3690 or more minutes

Percentage of zip code residents living and working in this county: 40.0%

Household type by relationship:

Households: 615
  • Male householders: 179 (51 living alone), Female householders: 154 (29 living alone)
  • 218 spouses (218 opposite-sex spouses), 6 unmarried partners, (6 opposite-sex unmarried partners), 33 children (33 natural, 0 adopted, 0 stepchildren), 15 grandchildren, 0 brothers or sisters, 0 parents, 0 foster children, 21 other relatives, 0 non-relatives

Size of family households: 223 2-persons, 28 3-persons, 3 5-persons

Size of nonfamily households: 80 1-person, 2 2-persons

72.8% of residents of 78663 zip code speak English at home.
7.6% of residents speak Spanish at home (62% very well, 13% well, 26% not well).
21.6% of residents speak Asian or Pacific Island language at home (100% very well).

Foreign born population: 0 (0.0%)
:

0.0%
Whole state:

17.2%
Most common first ancestries reported in 78663
  • 43%German
  • 26%Irish
  • 6%American
  • 5%French
  • 3%English
Year of entry for the foreign-born population
  • Year of entry for the foreign-born population
  • 02010 or later
  • 02000 to 2009
  • 01990 to 1999
  • 58Before 1990

Zip code 78663 topographic map


Zip code 78663 marital status for males
Zip code 78663 marital status for females

Housing units lacking complete plumbing facilities: 0.8%
Housing units lacking complete kitchen facilities: 1.5%

Most commonly used house heating fuel
  • 50.5%Electricity
  • 30.8%Bottled, tank, or LP gas
  • 17.8%Utility gas
  • 1.3%Wood

Population in 1990: 169. Population change in the 1990s: +182 (+107.7%).

Place of birth for U.S.-born residents:

  • This state: 383
  • Northeast: 4
  • Midwest: 124
  • South: 22
  • West: 13

72% of the 78663 zip code residents lived in the same house 5 years ago.
   Out of people who lived in different houses, 42% lived in this county.
   Out of people who lived in different counties, 50% lived in Texas.

99% of the 78663 zip code residents lived in the same house 1 year ago.
   Out of people who lived in different houses, 25% moved from this county.
   Out of people who lived in different houses, 75% moved from different county within same state.
   Out of people who lived in different houses, 12% moved from abroad.

Year householders moved into unit in Round Mountain, TX (78663)

Private vs. public school enrollment:

Students in private schools in grades 1 to 8 (elementary and middle school):
Here:

0.0%
Texas:

8.8%
Students in private schools in grades 9 to 12 (high school):
Here:

0.0%
Texas:

8.0%
Educational Attainment in 2022
School Enrollment by Level of School in 2022
Class of Workers in 2022
Occupation by median earnings in the past 12 months
  • Occupation by median earnings in the past 12 months ($)
  • 214,583Management occupations
  • 39,577Office and administrative support occupations

Companies with federal contracts located in this zip code:

  • R B M ENTERPRISES INC (E RANCH RD 962 in ROUND MOUNTAIN, TX; small business)
    2 employees, $250000 revenue. Veteran Owned Business: $365,227 in 81 contracts from 2001 to 2006
    Contracts for Plumbing Fixtures and Accessories by Federal Supply Service
    Signed by year: 2000: $0; 2001: $95,000; 2002: $6,588; 2003: $64,252; 2004: $45,379; 2005: $102,717; 2006: $51,291.

    Biggest contracts:
    $95,000 with Federal Supply Service for Plumbing Fixtures and Accessories. Signed on 2001-06-15. Completion date: 2002-05-15.
    $26,797, same as above. Signed on 2005-10-05. Completion date: 2005-11-22.
    $26,797, same as above. Signed on 2005-10-05. Completion date: 2005-11-22.
    $7,749, same as above. Signed on 2006-05-17. Completion date: 2006-07-04.

Top industries in this zip code by the number of employees in 2005:

  • Finance and Insurance: Commercial Banking (10-19 employees: 1 establishment)
  • Professional, Scientific, and Technical Services: Offices of Lawyers (5-9: 1)
  • Construction: Roofing Contractors (5-9: 1)
  • Construction: Water and Sewer Line and Related Structures Construction (1-4: 2)
  • Construction: New Single-Family Housing Construction (except Operative Builders) (1-4: 1)
  • Other Services (except Public Administration): Environment, Conservation and Wildlife Organizations (1-4: 1)
  • Professional, Scientific, and Technical Services: All Other Legal Services (1-4: 1)
  • Professional, Scientific, and Technical Services: Title Abstract and Settlement Offices (1-4: 1)

Age and Sex of Sensory-Disabled Noninstitutionalized Residents
Age and Sex of Physically-Disabled Noninstitutionalized Residents
Age and Sex of Mentally-Disabled Noninstitutionalized Residents
Age and Sex of Self-Care Disabled Noninstitutionalized Residents
Age and Sex of Go-Outside-Home Disabled Noninstitutionalized Residents
Age and Sex of Noninstitutionalized Residents with Employment Disability

Fatal accident statistics in 2013:

  • Fatal accident count: 1
  • Vehicles involved in fatal accidents: 3
  • Fatal accidents caused by drunken drivers: 0
  • Fatalities: 1
  • Persons involved in fatal accidents: 4
  • Pedestrians involved in fatal accidents: 0

Fatal accident statistics in 2010:

  • Fatal accident count: 1
  • Vehicles involved in fatal accidents: 1
  • Fatal accidents caused by drunken drivers: 0
  • Fatalities: 1
  • Persons involved in fatal accidents: 1
  • Pedestrians involved in fatal accidents: 0
Most common first names in zip code 78663 among deceased individuals
NameCountLived (average)
Frances380.0 years
Mary382.0 years
William372.3 years
James269.0 years
Helen284.1 years
Charles288.4 years
Lena279.9 years
Richard269.5 years
Most common last names in zip code 78663 among deceased individuals
Last nameCountLived (average)
Smith1179.9 years
Hyatt379.7 years
Moursund379.6 years
Polvado368.0 years
Sharp356.3 years
Gutierrez277.5 years
Burleson288.5 years
Everett279.0 years
Kent277.0 years
Cavender269.5 years
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