Estimated zip code population in 2022: 3,787 Zip code population in 2010: 3,268 Zip code population in 2000: 2,761
Houses and condos: 1,158 Renter-occupied apartments: 37
% of renters here:
3%
State:
32%
March 2022 cost of living index in zip code 21738: 103.4 (near average, U.S. average is 100)
Land area: 7.3 sq. mi. Water area: 0.0 sq. mi.
Population density: 521 people per square mile
(low).
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Real estate property taxes paid for housing units in 2022:
This zip code:
1.0% ($8,656)
Maryland:
0.9% ($3,777)
Median real estate property taxes paid for housing units with mortgages in 2022: $8,890 (1.0%) Median real estate property taxes paid for housing units with no mortgage in 2022: $8,162 (1.0%)
Estimated median house/condo value in 2022: $876,029
21738:
$876,029
Maryland:
$398,100
According to our research of Maryland and other state lists, there were 2 registered sex offenders living in 21738 zip code as of June 16, 2024. The ratio of all residents to sex offenders in zip code 21738 is 1,755 to 1. The ratio of registered sex offenders to all residents in this zip code is lower than the state average.
Median resident age:
This zip code:
45.4 years
Maryland median age:
39.7 years
Average household size:
This zip code:
3.3 people
Maryland:
2.5 people
Averages for the 2020 tax year for zip code 21738, filed in 2021:
Average Adjusted Gross Income (AGI) in 2020: $230,049 (Individual Income Tax Returns)
Here:
$230,049
State:
$86,905
Salary/wage: $166,567 (reported on 81.8% of returns)
Here:
$166,567
State:
$73,953
(% of AGI for various income ranges: 1247.2% for AGIs below $25k, 4505.0% for AGIs $25k-50k, 7202.9% for AGIs $50k-75k, 6961.7% for AGIs $75k-100k, 19038.3% for AGIs $100k-200k, 103936.9% for AGIs over 200k)
Taxable interest for individuals: $3,509 (reported on 65.4% of returns)
This zip code:
$3,509
Maryland:
$1,528
(% of AGI for various income ranges: 13.3% for AGIs below $25k, 138.0% for AGIs $25k-50k, 90.0% for AGIs $50k-75k, 143.3% for AGIs $75k-100k, 277.2% for AGIs $100k-200k, 1774.4% for AGIs over 200k)
Ordinary dividends: $8,982 (reported on 53.5% of returns)
Here:
$8,982
State:
$8,028
(% of AGI for various income ranges: 58.3% for AGIs below $25k, 140.0% for AGIs $25k-50k, 230.0% for AGIs $50k-75k, 320.0% for AGIs $75k-100k, 888.9% for AGIs $100k-200k, 3398.1% for AGIs over 200k)
Net capital gain/loss in AGI: +$30,906 (reported on 49.7% of returns)
Here:
+$30,906
State:
+$25,238
(% of AGI for various income ranges: 82.8% for AGIs below $25k, 202.0% for AGIs $25k-50k, 77.1% for AGIs $50k-75k, 231.7% for AGIs $75k-100k, 901.1% for AGIs $100k-200k, 13906.2% for AGIs over 200k)
Profit/loss from business: +$31,728 (reported on 20.1% of returns)
Here:
+$31,728
State:
+$11,398
(% of AGI for various income ranges: 87.8% for AGIs below $25k, 192.0% for AGIs $25k-50k, 315.7% for AGIs $50k-75k, 1311.7% for AGIs $100k-200k, 4513.1% for AGIs over 200k)
Taxable individual retirement arrangement distribution: $25,508 (reported on 15.7% of returns)
21738:
$25,508
Maryland:
$20,944
(% of AGI for various income ranges: 156.1% for AGIs below $25k, 1270.0% for AGIs $50k-75k, 1453.3% for AGIs $100k-200k, 1619.4% for AGIs over 200k)
Self-employed (Keogh) retirement plans: $28,586 (reported on 4.4% of returns)
21738:
$28,586
Maryland:
$29,558
(% of AGI for various income ranges: 1250.6% for AGIs over 200k)
Total itemized deductions: $37,883 (reported on 37.7% of returns)
Here:
$37,883
State:
$30,672
(% of AGI for various income ranges: 991.0% for AGIs $25k-50k, 1764.3% for AGIs $50k-75k, 3008.9% for AGIs $100k-200k, 9430.0% for AGIs over 200k)
Charity contributions: $10,340 (reported on 32.7% of returns)
Here:
$10,340
State:
$9,065
(% of AGI for various income ranges: 23.3% for AGIs below $25k, 205.7% for AGIs $50k-75k, 486.7% for AGIs $100k-200k, 2696.9% for AGIs over 200k)
Taxes paid: $9,597 (reported on 37.7% of returns)
21738:
$9,597
State:
$8,475
(% of AGI for various income ranges: 241.0% for AGIs $25k-50k, 482.9% for AGIs $50k-75k, 928.3% for AGIs $100k-200k, 2192.5% for AGIs over 200k)
Earned income credit: $1,100 (reported on 3.1% of returns)
Here:
$1,100
State:
$2,151
(% of AGI for various income ranges: 30.6% for AGIs below $25k)
Percentage of individuals using paid preparers for their 2020 taxes: 89.3%
Here:
89%
State:
90%
(% for various income ranges: 87.5% for AGIs below $25k, 93.8% for AGIs $25k-50k, 90.9% for AGIs $50k-75k, 77.8% for AGIs $75k-100k, 89.2% for AGIs $100k-200k, 90.7% for AGIs over 200k)
Averages for the 2012 tax year for zip code 21738, filed in 2013:
Average Adjusted Gross Income (AGI) in 2012: $187,675 (Individual Income Tax Returns)
Here:
$187,675
State:
$72,703
Salary/wage: $143,056 (reported on 84.5% of returns)
Here:
$143,056
State:
$62,228
(% of AGI for various income ranges: 77.7% for AGIs below $25k, 83.1% for AGIs $25k-50k, 56.5% for AGIs $50k-75k, 61.7% for AGIs $75k-100k, 73.8% for AGIs $100k-200k, 61.8% for AGIs over 200k)
Taxable interest for individuals: $1,989 (reported on 67.1% of returns)
This zip code:
$1,989
Maryland:
$1,413
(% of AGI for various income ranges: 2.9% for AGIs below $25k, 0.7% for AGIs $25k-50k, 0.8% for AGIs $50k-75k, 1.3% for AGIs $75k-100k, 0.9% for AGIs $100k-200k, 0.6% for AGIs over 200k)
Ordinary dividends: $7,051 (reported on 51.0% of returns)
Here:
$7,051
State:
$6,933
(% of AGI for various income ranges: 3.7% for AGIs below $25k, 2.3% for AGIs $25k-50k, 2.5% for AGIs $50k-75k, 2.9% for AGIs $75k-100k, 2.2% for AGIs $100k-200k, 1.7% for AGIs over 200k)
Net capital gain/loss in AGI: +$19,058 (reported on 41.9% of returns)
Here:
+$19,058
State:
+$14,830
(% of AGI for various income ranges: 1.8% for AGIs below $25k, 0.2% for AGIs $50k-75k, 0.8% for AGIs $100k-200k, 5.6% for AGIs over 200k)
Profit/loss from business: +$31,563 (reported on 17.4% of returns)
Here:
+$31,563
State:
+$12,606
(% of AGI for various income ranges: 4.2% for AGIs below $25k, 10.6% for AGIs $25k-50k, 4.1% for AGIs $75k-100k, 3.2% for AGIs $100k-200k, 2.7% for AGIs over 200k)
Taxable individual retirement arrangement distribution: $24,705 (reported on 14.2% of returns)
21738:
$24,705
Maryland:
$17,065
(% of AGI for various income ranges: 8.3% for AGIs below $25k, 6.0% for AGIs $50k-75k, 4.2% for AGIs $75k-100k, 2.3% for AGIs $100k-200k, 1.5% for AGIs over 200k)
Self-employment retirement plans: $22,057 (reported on 4.5% of returns)
21738:
$22,057
Maryland:
$24,439
(% of AGI for various income ranges: 0.7% for AGIs over 200k)
Total itemized deductions: $49,895 (19% of AGI, reported on 67.1% of returns)
Here:
$49,895
State:
$27,886
Here:
18.6% of AGI
State:
22.8% of AGI
(% of AGI for various income ranges: 19.2% for AGIs below $25k, 15.4% for AGIs $25k-50k, 25.0% for AGIs $50k-75k, 25.8% for AGIs $75k-100k, 23.9% for AGIs $100k-200k, 15.8% for AGIs over 200k)
Charity contributions: $6,079 (reported on 60.6% of returns)
Here:
$6,079
State:
$4,452
(% of AGI for various income ranges: 0.9% for AGIs below $25k, 1.6% for AGIs $25k-50k, 2.3% for AGIs $50k-75k, 2.3% for AGIs $75k-100k, 2.4% for AGIs $100k-200k, 1.8% for AGIs over 200k)
Taxes paid: $26,681 (reported on 67.1% of returns)
21738:
$26,681
State:
$11,690
(% of AGI for various income ranges: 5.7% for AGIs below $25k, 5.8% for AGIs $25k-50k, 8.9% for AGIs $50k-75k, 11.3% for AGIs $75k-100k, 11.3% for AGIs $100k-200k, 9.2% for AGIs over 200k)
Earned income credit: $975 (reported on 2.6% of returns)
Here:
$975
State:
$2,199
(% of AGI for various income ranges: 1.2% for AGIs below $25k)
Percentage of individuals using paid preparers for their 2012 taxes: 52.9%
Here:
53%
State:
52%
(% for various income ranges: 47.4% for AGIs below $25k, 53.3% for AGIs $25k-50k, 53.8% for AGIs $50k-75k, 55.6% for AGIs $75k-100k, 48.6% for AGIs $100k-200k, 60.5% for AGIs over 200k)
Averages for the 2004 tax year for zip code 21738, filed in 2005:
Average Adjusted Gross Income (AGI) in 2004: $151,556 (Individual Income Tax Returns)
Here:
$151,556
State:
$60,339
Salary/wage: $118,691 (reported on 83.8% of returns)
Here:
$118,691
State:
$52,211
(% of AGI for various income ranges: 67.8% for AGIs $10k-25k, 72.6% for AGIs $25k-50k, 56.9% for AGIs $50k-75k, 73.4% for AGIs $75k-100k, 63.8% for AGIs over 100k)
Taxable interest for individuals: $4,097 (reported on 77.3% of returns)
This zip code:
$4,097
Maryland:
$1,701
(% of AGI for various income ranges: 4.0% for AGIs $10k-25k, 2.6% for AGIs $25k-50k, 2.3% for AGIs $50k-75k, 1.1% for AGIs $75k-100k, 2.0% for AGIs over 100k)
Taxable dividends: $5,108 (reported on 54.9% of returns)
Here:
$5,108
State:
$4,235
(% of AGI for various income ranges: 4.4% for AGIs $10k-25k, 3.2% for AGIs $25k-50k, 2.6% for AGIs $50k-75k, 1.9% for AGIs $75k-100k, 1.7% for AGIs over 100k)
Net capital gain/loss: +$31,465 (reported on 46.0% of returns)
Here:
+$31,465
State:
+$15,888
(% of AGI for various income ranges: 1.1% for AGIs $10k-25k, 1.2% for AGIs $25k-50k, 0.6% for AGIs $50k-75k, 0.9% for AGIs $75k-100k, 10.6% for AGIs over 100k)
Profit/loss from business: +$37,682 (reported on 19.2% of returns)
Here:
+$37,682
State:
+$12,221
(% of AGI for various income ranges: 7.6% for AGIs $10k-25k, 5.1% for AGIs $25k-50k, 4.4% for AGIs $50k-75k, 2.9% for AGIs $75k-100k, 4.9% for AGIs over 100k)
IRA payment deduction: $3,690 (reported on 3.1% of returns)
21738:
$3,690
Maryland:
$2,968
Self-employed pension: $22,377 (reported on 3.9% of returns)
Here:
$22,377
Maryland:
$17,155
Total itemized deductions: $40,565 (19% of AGI, reported on 68.4% of returns)
Here:
$40,565
State:
$22,960
Here:
18.7% of AGI
State:
23.3% of AGI
(% of AGI for various income ranges: 18.3% for AGIs $10k-25k, 21.5% for AGIs $25k-50k, 29.1% for AGIs $50k-75k, 31.1% for AGIs $75k-100k, 16.8% for AGIs over 100k)
Charity contributions deductions: $5,746 (3% of AGI, reported on 64.3% of returns)
Here:
$5,746
State:
$4,031
Here:
2.6% of AGI
State:
3.9% of AGI
(% of AGI for various income ranges: 2.6% for AGIs $10k-25k, 2.3% for AGIs $25k-50k, 2.5% for AGIs $50k-75k, 3.1% for AGIs $75k-100k, 2.4% for AGIs over 100k)
Total tax: $34,378 (reported on 85.6% of returns)
21738:
$34,378
State:
$10,167
(% of AGI for various income ranges: 5.2% for AGIs $10k-25k, 8.1% for AGIs $25k-50k, 8.6% for AGIs $50k-75k, 8.4% for AGIs $75k-100k, 20.6% for AGIs over 100k)
Earned income credit: $810 (reported on 1.6% of returns)
Here:
$810
State:
$1,700
Percentage of individuals using paid preparers for their 2004 taxes: 52.7%
Here:
53%
State:
55%
(% for various income ranges: 43.5% for AGIs below $10k, 51.3% for AGIs $10k-25k, 54.2% for AGIs $25k-50k, 59.5% for AGIs $50k-75k, 47.9% for AGIs $75k-100k, 56.0% for AGIs over 100k)
Household received Food Stamps/SNAP in the past 12 months: 0 Household did not receive Food Stamps/SNAP in the past 12 months: 1,143
Women who had a birth in the past 12 months: 5 (5 now married, 0 unmarried) Women who did not have a birth in the past 12 months: 726 (310 now married, 415 unmarried)
Housing units in zip code 21738 with a mortgage: 829 (135 second mortgage, 139 both second mortgage and home equity loan) Median monthly owner costs for units with a mortgage: $3,737 Median monthly owner costs for units without a mortgage: $1,378
Residents with income below the poverty level in 2022:
This zip code:
2.6%
Whole state:
9.6%
Residents with income below 50% of the poverty level in 2022:
This zip code:
2.2%
Whole state:
4.7%
Median number of rooms in houses and condos:
Here:
10.0
State:
7.3
Median number of rooms in apartments:
Here:
5.6
State:
4.2
Notable locations in this zip code not listed on our city pages
Churches in zip code 21738 include: Howard County Library - Glenwood Branch (A), Saint Andrews Episcopal Church (B), Shepherd of the Glen Lutheran Church (C), Gethsemane Baptist Church (D), Glenwood Baptist Church (E). Display/hide their locations on the map
Size of family households: 329 2-persons, 192 3-persons, 369 4-persons, 95 5-persons, 32 7-or-more-persons
Size of nonfamily households: 110 1-person, 18 2-persons
902 married couples with children.
79 single-parent households (31 men, 48 women).
89.8% of residents of 21738 zip code speak English at home.
1.1% of residents speak Spanish at home (74% well, 26% not well).
4.6% of residents speak other Indo-European language at home (77% very well, 23% not well).
3.4% of residents speak Asian or Pacific Island language at home (16% very well, 80% well, 4% not well).
0.6% of residents speak other language at home (100% very well).
Foreign born population: 358 (9.5%) (93.2% of them are naturalized citizens)
This zip code:
9.5%
Whole state:
16.7%
15%Bhutan
13%Romania
8%Japan
5%Denmark
5%Egypt
4%Greece
4%Azores Islands
21%English
17%German
7%American
7%Polish
5%Nigerian
5%Irish
4%Italian
Year of entry for the foreign-born population
272010 or later
1252000 to 2009
161990 to 1999
227Before 1990
Facilities with environmental interests located in this zip code:
CATTAIL CREEK COUNTRY CLUB (3600 CATTAIL CREEK DRIVE in GLENWOOD, MD)
AIR MINOR (AIRS/AFS) STATE MASTER (Maryland Permits tracking) - National Pollutant Discharge Elimination System Permit STATE MASTER (Maryland Air Emissions Database) - AIR MINOR National Pollutant Discharge Elimination System NON-MAJOR (Tracking pollutant discharge elimination systems) - permit Business SIC classification: MEMBERSHIP SPORTS AND RECREATION CLUBS
BUSHY PARK ELEMENTARY SCHOOL (2690 ROXBURY MILLS ROAD in GLENWOOD, MD)
AIR MINOR (AIRS/AFS) STATE MASTER (Maryland Air Emissions Database) - AIR MINOR Business SIC classification: ELEMENTARY AND SECONDARY SCHOOLS
BUSHY PARK ELEMENTARY (2670 RT 97 in GLENWOOD, MD)
(National Center for Education Statistics) - STATE ID-130406 Organizations: HOWARD COUNTY PUBLIC SCHOOLS (SCHOOL DISTRICT)
47.7%Electricity
21.2%Fuel oil, kerosene, etc.
14.8%Utility gas
10.9%Bottled, tank, or LP gas
3.4%Solar energy
2.3%Other fuel
Population in 1990: 1,632. Population change in the 1990s: +1,129 (+69.2%).
Place of birth for U.S.-born residents:
This state: 1,730
Northeast: 619
Midwest: 256
South: 649
West: 90
57% of the 21738 zip code residents lived in the same house 5 years ago. Out of people who lived in different houses, 58% lived in this county. Out of people who lived in different counties, 50% lived in Maryland.
92% of the 21738 zip code residents lived in the same house 1 year ago. Out of people who lived in different houses, 62% moved from this county. Out of people who lived in different houses, 35% moved from different county within same state. Out of people who lived in different houses, 4% moved from different state.
Private vs. public school enrollment:
Students in private schools in grades 1 to 8 (elementary and middle school): 119
Here:
23.1%
Maryland:
15.2%
Students in private schools in grades 9 to 12 (high school): 92
Here:
28.1%
Maryland:
14.4%
Students in private undergraduate colleges:
Here:
0.0%
Maryland:
20.2%
Occupation by median earnings in the past 12 months ($)
227,649Computer and mathematical occupations
175,298Architecture and engineering occupations
162,159Management occupations
140,737Life, physical, and social science occupations
110,653Health diagnosing and treating practitioners and other technical occupations
75,588Business and financial operations occupations
Companies with federal contracts located in this zip code (GLENWOOD, MD):
NEURO MONITORING TECHNOLOGIES (14609 MACCLINTOCK DR; small business) : $1,365,745 in 96 contractsfrom 2001 to 2006
Contracts for Neurology Services, Surgery Services, Medical and Surgical Instruments, Equipment, and Supplies, Health Services -- Advanced Development (R&D), and moreby Army, Navy Signed by year:2000: $0; 2001: $364,000; 2002: $161,000; 2003: $210,875; 2004: $104,088; 2005: $425,931; 2006: $99,851.
Biggest contracts:
$182,000 with Army for Neurology Services. Taking place in DC. Signed on 2001-01-01. Completion date: 2001-09-30.
$182,000 with Army for Surgery Services. Taking place in DC. Signed on 2001-11-28. Completion date: 2002-09-30.
$161,000, same as above.Signed on 2002-11-20. Completion date: 2003-09-30.
$161,000, same as above.Signed on 2003-10-29. Completion date: 2004-09-30.
PYRODYNE INC (15020 ROLLING HILLS DRIVE; small business) : $399,819 in 4 contractsfrom 2001 to 2005
$99,977 with Air Force for Defense Aircraft -- Applied Research and Exploratory Development (R&D). Signed on 2005-03-29. Completion date: 2005-12-28.
$99,975 with Air Force for Defense Aircraft -- Management and Support (R&D). Signed on 2001-05-16. Completion date: 2002-02-23.
$99,961 with Air Force for Defense Aircraft -- Applied Research and Exploratory Development (R&D). Signed on 2005-03-29. Completion date: 2005-12-28.
$99,906 with Air Force for Defense Missile and Space Systems -- Management and Support (R&D). Signed on 2001-05-10. Completion date: 2002-05-10.
EMH ENVIRONMENTAL, INC (2960-A WASHINGTON RD; small business) : $262,541 in 3 contractsfrom 2000 to 2004
$110,000 with Public Buildings Service for Other Administrative Support Services. Taking place in DC. Signed on 2000-03-15. Completion date: 2000-09-15.
$110,000, same as above.Signed on 2000-03-15. Completion date: 2000-09-15.
$42,541 with Army for Maintenance, Repair or Alteration of Real Property -- Water Supply Facilities. Signed on 2004-09-29. Completion date: 2004-12-31.
NEWTEC REPS (3920 SHARP RD; small business) : $79,379 in 5 contractsfrom 2004 to 2006
Contracts for Electrical and Electronic assemblies, Boards, Cards, and Associated Hardware, Wire and Cable, Electrical, ADP Components, Miscellaneous Electrical and Electronic Components, and moreby Navy Signed by year:2000: $0; 2001: $0; 2002: $0; 2003: $0; 2004: $3,615; 2005: $64,825; 2006: $10,939.
Biggest contracts:
$44,780 with Navy for Electrical and Electronic assemblies, Boards, Cards, and Associated Hardware. Signed on 2005-09-26. Completion date: 2005-10-24.
$10,939 with Navy for Wire and Cable, Electrical. Signed on 2006-05-25. Completion date: 2005-07-11.
$10,095 with Navy for ADP Components. Taking place in VA. Signed on 2005-04-18. Completion date: 2005-05-16.
$9,950 with Navy for Miscellaneous Electrical and Electronic Components. Signed on 2005-08-31. Completion date: 2005-09-30.
Top industries in this zip code by the number of employees in 2005:
Administrative and Support and Waste Management and Remediation Services: Landscaping Services (20-49 employees: 2 establishments, 1-4 employees: 4 establishments)
Arts, Entertainment, and Recreation: Golf Courses and Country Clubs (50-99: 1)
Detailed PMIC statistics for the following Tracts:6040.02
2002 - 2018 National Fire Incident Reporting System (NFIRS) incidents
Based on the data from the years 2002 - 2018 the average number of fire incidents per year is 7. The highest number of reported fires - 13 took place in 2004, and the least - 0 in 2014. The data has a constant trend.
When looking into fire subcategories, the most reports belonged to: Outside Fires (55.1%), and Structure Fires (38.1%).
Fire incident types reported to NFIRS in Zip Code 21738