St. Marys, Iowa

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Population in 2022: 104 (0% urban, 100% rural).
Population change since 2000: -22.4%
 
Males: 45  (43.5%)
Females: 59  (56.5%)
Median resident age:

54.4 years
Iowa median age:

38.9 years

Zip code: 50240

Estimated median household income in 2022: $60,573 (it was $38,750 in 2000)
St. Marys:

$60,573
IA:

$69,588

Estimated per capita income in 2022: $40,423 (it was $16,747 in 2000)

Estimated median house or condo value in 2022: $158,809 (it was $86,300 in 2000)
St. Marys:

$158,809
IA:

$194,600

Mean prices in 2022: all housing units: $147,916; detached houses: $147,582

Median gross rent in 2022: $1,096.

March 2022 cost of living index in St. Marys: 84.7 (less than average, U.S. average is 100)
Percentage of residents living in poverty in 2022: 9.2%

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  • Races in St. Marys, IA (2022)
    • 12595.4%White alone
    • 32.3%American Indian alone
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Ancestries: German (39.7%), Norwegian (20.5%), Irish (11.0%), English (6.8%), Greek (2.7%), Italian (2.7%).

Current Local Time: CST time zone

Incorporated on 04/5/1923

Elevation: 1033 feet

Land area: 0.14 square miles.

Population density: 752 people per square mile   (low).

St. Marys, Iowa map

3 residents are foreign born (2.3% Europe).

This city:

2.3%
Iowa:

5.6%

Median real estate property taxes paid for housing units with mortgages in 2022: $2,319 (1.1%)
Median real estate property taxes paid for housing units with no mortgage in 2022: $713 (0.8%)

Nearest city with pop. 50,000+: Des Moines, IA (20.5 miles , pop. 198,682).

Nearest city with pop. 200,000+: Omaha, NE (118.4 miles , pop. 390,007).

Nearest city with pop. 1,000,000+: Chicago, IL (315.5 miles , pop. 2,896,016).

Nearest cities:

St. Charles, IA (2.0 miles ),
Martensdale, IA (2.1 miles ),
Bevington, IA (2.2 miles),
Patterson, IA (2.8 miles),
Spring Hill, IA (2.9 miles),
New Virginia, IA (2.9 miles ),
Truro, IA (3.0 miles ),
Indianola, IA (3.1 miles )

Latitude: 41.31 N, Longitude: 93.74 W

Area code commonly used in this area: 641

Distribution of median household income in St. Marys, IA in 2022
Distribution of house value in St. Marys, IA in 2022

St. Marys satellite photo by USGS

Single-family new house construction building permits:

  • 2018: 1 building, cost: $100,000
Unemployment in December 2023:
Here:

2.4%
Iowa:

2.7%
Population change in the 1990s: +23 (+20.7%).
Most common industries in St. Marys, IA (%)
Both Males Females
Most common industries in 2000
  • Finance & insurance (19.6%)
  • Construction (10.7%)
  • Health care (10.7%)
  • Machinery (8.9%)
  • Alcoholic beverages merchant wholesalers (7.1%)
  • Department & other general merchandise stores (5.4%)
  • Religious, grantmaking, civic, professional, similar organizations (5.4%)
Most common industries for males in 2000
  • Construction (19.4%)
  • Alcoholic beverages merchant wholesalers (12.9%)
  • Machinery (9.7%)
  • Department & other general merchandise stores (9.7%)
  • Religious, grantmaking, civic, professional, similar organizations (9.7%)
  • Electrical & electronic goods merchant wholesalers (6.5%)
  • Hardware, plumbing & heating equipment, supplies merchant wholesalers (6.5%)
Most common industries for females in 2000
  • Finance & insurance (36.0%)
  • Health care (24.0%)
  • Machinery (8.0%)
  • U. S. Postal service (8.0%)
  • Other transportation, support activities, couriers (8.0%)
  • Data processing, libraries, other information services (8.0%)
  • Building material & garden equipment & supplies dealers (4.0%)
Most common occupations in St. Marys, IA (%)
Both Males Females
Most common occupations in 2000
  • Driver/sales workers and truck drivers (14.3%)
  • Electrical equipment mechanics and other installation, maintenance, and repair workers, including supervisors (8.9%)
  • Other production occupations, including supervisors (8.9%)
  • Material recording, scheduling, dispatching, and distributing workers (7.1%)
  • Other financial specialists (5.4%)
  • Religious workers (5.4%)
  • Drafters, engineering, and mapping technicians (5.4%)
Most common occupations for males in 2000
  • Driver/sales workers and truck drivers (19.4%)
  • Religious workers (9.7%)
  • Drafters, engineering, and mapping technicians (9.7%)
  • Other production occupations, including supervisors (9.7%)
  • Advertising, marketing, promotions, public relations, and sales managers (6.5%)
  • Building and grounds cleaning and maintenance occupations (6.5%)
  • Sales representatives, services, wholesale and manufacturing (6.5%)
Most common occupations for females in 2000
  • Other financial specialists (12.0%)
  • Secretaries and administrative assistants (12.0%)
  • Electrical equipment mechanics and other installation, maintenance, and repair workers, including supervisors (12.0%)
  • Registered nurses (8.0%)
  • Bookkeeping, accounting, and auditing clerks (8.0%)
  • Customer service representatives (8.0%)
  • Material recording, scheduling, dispatching, and distributing workers (8.0%)

Average climate in St. Marys, Iowa

Based on data reported by over 4,000 weather stations

St. Marys, Iowa average temperatures St. Marys, Iowa average precipitation St. Marys, Iowa humidity St. Marys, Iowa wind speed St. Marys, Iowa snowfall St. Marys, Iowa sunshine St. Marys, Iowa clear and cloudy days
Air pollution and air quality trends
(lower is better)
AQI CO NO2 SO2 Ozone PM2.5
Air Quality Index

Air Quality Index (AQI) level in 2023 was 93.5. This is worse than average.

City:

93.5
U.S.:

72.6
Carbon Monoxide Level

Carbon Monoxide (CO) [ppm] level in 2019 was 0.209. This is better than average. Closest monitor was 19.8 miles away from the city center.

City:

0.209
U.S.:

0.251
Nitrogen Dioxide Level

Nitrogen Dioxide (NO2) [ppb] level in 2023 was 5.78. This is about average. Closest monitor was 18.6 miles away from the city center.

City:

5.78
U.S.:

5.11
Sulfur Dioxide Level

Sulfur Dioxide (SO2) [ppb] level in 2018 was 0.0417. This is significantly better than average. Closest monitor was 18.6 miles away from the city center.

City:

0.0417
U.S.:

1.5147
Ozone Level

Ozone [ppb] level in 2023 was 36.8. This is about average. Closest monitor was 8.0 miles away from the city center.

City:

36.8
U.S.:

33.3
Particulate Matter Level

Particulate Matter (PM2.5) [µg/m3] level in 2023 was 9.87. This is worse than average. Closest monitor was 20.5 miles away from the city center.

City:

9.87
U.S.:

8.11

Tornado activity:

St. Marys-area historical tornado activity is near Iowa state average. It is 94% greater than the overall U.S. average.

On 6/18/1974, a category F4 (max. wind speeds 207-260 mph) tornado 18.2 miles away from the St. Marys city center killed 2 people and injured 50 people and caused between $5,000,000 and $50,000,000 in damages.

On 6/13/1976, a category F5 (max. wind speeds 261-318 mph) tornado 43.6 miles away from the city center injured 9 people and caused between $5,000,000 and $50,000,000 in damages.

Earthquake activity:

St. Marys-area historical earthquake activity is significantly above Iowa state average. It is 239% greater than the overall U.S. average.

On 9/3/2016 at 12:02:44, a magnitude 5.8 (5.8 MW, Depth: 3.5 mi, Class: Moderate, Intensity: VI - VII) earthquake occurred 378.9 miles away from the city center
On 4/18/2008 at 09:36:59, a magnitude 5.4 (5.1 MB, 4.8 MS, 5.4 MW, 5.2 MW) earthquake occurred 367.9 miles away from the city center
On 11/6/2011 at 03:53:10, a magnitude 5.7 (5.7 MW, Depth: 3.2 mi) earthquake occurred 431.8 miles away from the city center
On 4/18/2008 at 09:36:59, a magnitude 5.2 (5.2 MW, Depth: 8.9 mi) earthquake occurred 367.9 miles away from the city center
On 6/10/1987 at 23:48:54, a magnitude 5.1 (4.9 MB, 4.4 MS, 4.6 MS, 5.1 LG) earthquake occurred 354.2 miles away from St. Marys center
On 9/26/1990 at 13:18:51, a magnitude 5.0 (4.7 MB, 4.8 LG, 5.0 LG, Depth: 7.7 mi) earthquake occurred 364.1 miles away from St. Marys center
Magnitude types: regional Lg-wave magnitude (LG), body-wave magnitude (MB), surface-wave magnitude (MS), moment magnitude (MW)

Natural disasters:

The number of natural disasters in Warren County (15) is near the US average (15).
Major Disasters (Presidential) Declared: 13
Emergencies Declared: 1

Causes of natural disasters: Floods: 11, Storms: 11, Tornadoes: 6, Winds: 3, Hurricane: 1, Snow: 1, Winter Storm: 1, Other: 1 (Note: some incidents may be assigned to more than one category).
St. Marys topographic map

Hospitals and medical centers near St. Marys:

  • THE VILLAGE (Nursing Home, about 10 miles away; INDIANOLA, IA)
  • GOOD SAMARITAN SOCIETY - INDIANOLA (Nursing Home, about 10 miles away; INDIANOLA, IA)
  • WARREN COUNTY HEALTH SERVICES (Home Health Center, about 10 miles away; INDIANOLA, IA)
  • EASTON GROUP HOME (Hospital, about 11 miles away; INDIANOLA, IA)
  • NORWALK NURSING AND REHABILITATION CENTER (Nursing Home, about 13 miles away; NORWALK, IA)
  • REGENCY CARE CENTER (Nursing Home, about 13 miles away; NORWALK, IA)
  • QHC WINTERSET NORTH, LLC (Nursing Home, about 15 miles away; WINTERSET, IA)

Amtrak station near St. Marys:

  • 19 miles: OSCEOLA (MAIN & E. CLAY STS.) . Services: partially wheelchair accessible, enclosed waiting area, public restrooms, public payphones, vending machines, free short-term parking, free long-term parking, call for taxi service.

Colleges/universities with over 2000 students nearest to St. Marys:

  • Drake University (about 21 miles; Des Moines, IA; Full-time enrollment: 3,768)
  • Des Moines Area Community College (about 29 miles; Ankeny, IA; FT enrollment: 15,337)
  • Iowa State University (about 50 miles; Ames, IA; FT enrollment: 28,662)
  • Indian Hills Community College (about 73 miles; Ottumwa, IA; FT enrollment: 4,034)
  • Iowa Central Community College (about 86 miles; Fort Dodge, IA; FT enrollment: 4,682)
  • Northwest Missouri State University (about 90 miles; Maryville, MO; FT enrollment: 5,946)
  • Truman State University (about 99 miles; Kirksville, MO; FT enrollment: 5,553)

Points of interest:

Click to draw/clear city borders

Notable location: Saint Marys Fire Department (A). Display/hide its location on the map

Church in St. Marys: Immaculate Conception Church (A). Display/hide its location on the map

Warren County has a predicted average indoor radon screening level greater than 4 pCi/L (pico curies per liter) - Highest Potential
Average household size:
This city:

3.0 people
Iowa:

2.4 people

Percentage of family households:
This city:

81.0%
Whole state:

64.7%

Percentage of households with unmarried partners:
This city:

9.5%
Whole state:

6.7%


Likely homosexual households (counted as self-reported same-sex unmarried-partner households)
  • Lesbian couples: 2.4% of all households
  • Gay men: 0.0% of all households

For population 15 years and over in St. Marys:

Marital status in St. Marys, IA
  • Never married: 17.2%
  • Now married: 53.7%
  • Separated: 0.0%
  • Widowed: 9.7%
  • Divorced: 19.4%

For population 25 years and over in St. Marys:

  • High school or higher: 97.4%
  • Bachelor's degree or higher: 20.2%
  • Graduate or professional degree: 7.9%
  • Unemployed: 3.4%
  • Mean travel time to work (commute): 34.8 minutes
Educational Attainment in 2022
School Enrollment by Level of School in 2022
Education Gini index (Inequality in education)
Here:

7.7
Iowa average:

10.5

Presidential Elections Results

Graphs represent county-level data. Detailed 2008 Election Results

Religion statistics for St. Marys, IA (based on Warren County data)

Religions Adherents in 2010
Religions Adherents - Change between 2000 and 2010
ReligionAdherentsCongregations
Mainline Protestant9,12329
Catholic4,6466
Evangelical Protestant4,22228
Other3313
None27,903-
Source: Clifford Grammich, Kirk Hadaway, Richard Houseal, Dale E.Jones, Alexei Krindatch, Richie Stanley and Richard H.Taylor. 2012. 2010 U.S.Religion Census: Religious Congregations & Membership Study. Association of Statisticians of American Religious Bodies. Jones, Dale E., et al. 2002. Congregations and Membership in the United States 2000. Nashville, TN: Glenmary Research Center. Graphs represent county-level data

Food Environment Statistics:

Number of grocery stores: 5
Warren County:

1.13 / 10,000 pop.
Iowa:

2.14 / 10,000 pop.
Number of supercenters and club stores: 1
Here:

0.23 / 10,000 pop.
State:

0.23 / 10,000 pop.
Number of convenience stores (no gas): 1
This county:

0.23 / 10,000 pop.
Iowa:

0.43 / 10,000 pop.
Number of convenience stores (with gas): 23
Warren County:

5.18 / 10,000 pop.
Iowa:

5.55 / 10,000 pop.
Number of full-service restaurants: 17
This county:

3.83 / 10,000 pop.
Iowa:

8.01 / 10,000 pop.
Adult diabetes rate:
This county:

7.4%
State:

7.8%
Adult obesity rate:
Warren County:

30.6%
State:

27.3%
Low-income preschool obesity rate:
Warren County:

14.0%
Iowa:

14.5%

Health and Nutrition:

Healthy diet rate:
This city:

49.8%
Iowa:

49.5%

Average overall health of teeth and gums:
St. Marys:

50.2%
State:

46.1%

Average BMI:
St. Marys:

29.2
Iowa:

28.6

People feeling badly about themselves:
St. Marys:

22.3%
State:

21.4%

People not drinking alcohol at all:
St. Marys:

10.1%
Iowa:

10.4%

Average hours sleeping at night:
St. Marys:

6.8
State:

6.8

Overweight people:
This city:

44.8%
Iowa:

33.8%

General health condition:
St. Marys:

56.4%
Iowa:

55.9%

Average condition of hearing:
Here:

82.8%
Iowa:

77.7%

More about Health and Nutrition of St. Marys, IA Residents

St. Marys government finances - Expenditure in 2017 (per resident):

  • Current Operations - Sewerage: $21,000 ($201.92)
    General - Other: $20,000 ($192.31)
    Water Utilities: $12,000 ($115.38)
    Regular Highways: $10,000 ($96.15)
    Financial Administration: $2,000 ($19.23)
    Central Staff Services: $1,000 ($9.62)
  • General - Interest on Debt: $5,000 ($48.08)
  • Total Salaries and Wages: $10,000 ($96.15)

St. Marys government finances - Revenue in 2017 (per resident):

  • Charges - Sewerage: $24,000 ($230.77)
  • Revenue - Water Utilities: $16,000 ($153.85)
  • State Intergovernmental - Highways: $11,000 ($105.77)
  • Tax - Property: $27,000 ($259.62)

St. Marys government finances - Debt in 2017 (per resident):

  • Long Term Debt - Outstanding Unspecified Public Purpose: $84,000 ($807.69)
    Beginning Outstanding - Unspecified Public Purpose: $84,000 ($807.69)

St. Marys government finances - Cash and Securities in 2017 (per resident):

  • Other Funds - Cash and Securities: $93,000 ($894.23)

Strongest AM radio stations in St. Marys:

  • WHO (1040 AM; 50 kW; DES MOINES, IA; Owner: CITICASTERS LICENSES, L.P.)
  • KPSZ (940 AM; 10 kW; DES MOINES, IA; Owner: SAGA COMMUNICATIONS OF IOWA, LLC)
  • KBGG (1700 AM; 10 kW; DES MOINES, IA; Owner: CITADEL BROADCASTING COMPANY)
  • KRNT (1350 AM; 5 kW; DES MOINES, IA; Owner: SAGA COMMUNICATIONS OF IOWA, LLC)
  • KXLQ (1490 AM; 1 kW; INDIANOLA, IA; Owner: WARREN BROADCASTING, INC.)
  • KWKY (1150 AM; 1 kW; DES MOINES, IA; Owner: PUTBRESE COMMUNICATIONS, LTD.)
  • KXNO (1460 AM; 5 kW; DES MOINES, IA; Owner: CAPSTAR TX LIMITED PARTNERSHIP)
  • KOIL (1020 AM; 50 kW; PLATTSMOUTH, NE; Owner: WAITT RADIO, INC.)
  • KXEL (1540 AM; 50 kW; WATERLOO, IA; Owner: KXEL BROADCASTING COMPANY, INC.)
  • WOI (640 AM; 5 kW; AMES, IA; Owner: IOWA STATE UNIV., OF SCIENCE & TECH.)
  • KFAB (1110 AM; 50 kW; OMAHA, NE; Owner: CAPSTAR TX LIMITED PARTNERSHIP)
  • WHB (810 AM; 50 kW; KANSAS CITY, MO; Owner: UNION BROADCASTING, INC.)
  • KKAR (1290 AM; 50 kW; OMAHA, NE; Owner: WAITT RADIO, INC.)

Strongest FM radio stations in St. Marys:

  • KIOA (93.3 FM; DES MOINES, IA; Owner: SAGA COMMUNICATIONS OF IOWA, LLC)
  • KMXD (100.3 FM; DES MOINES, IA; Owner: CITICASTERS LICENSES, L.P.)
  • KGGO (94.9 FM; DES MOINES, IA; Owner: CITADEL BROADCASTING COMPANY)
  • KAZR (103.3 FM; PELLA, IA; Owner: SAGA COMMUNICATIONS OF IOWA, LLC)
  • WOI-FM (90.1 FM; AMES, IA; Owner: IOWA STATE UNIVERSITY OF SCI & TECH)
  • KJJC (107.1 FM; OSCEOLA, IA; Owner: THOMAS H. BURKE, RECEIVER FOR LIFESTYLE COMMUNICATIONS CORP.)
  • KSTZ (102.5 FM; DES MOINES, IA; Owner: SAGA COMMUNICATIONS OF IOWA, LLC)
  • KZZQ (99.5 FM; WINTERSET, IA; Owner: POSITIVE IMPACT MEDIA, INC.)
  • KJMC (89.3 FM; DES MOINES, IA; Owner: MINORITY COMMUNICATIONS, INC.)
  • KJJY (92.5 FM; WEST DES MOINES, IA; Owner: CITADEL BROADCASTING COMPANY)
  • KLTI-FM (104.1 FM; AMES, IA; Owner: SAGA COMMUNICATIONS OF IOWA, LLC)
  • KKDM (107.5 FM; DES MOINES, IA; Owner: CLEAR CHANNEL BROADCASTING LICENSES, INC.)
  • KDFR (91.3 FM; DES MOINES, IA; Owner: FAMILY STATIONS, INC.)
  • KHKI (97.3 FM; DES MOINES, IA; Owner: CITADEL BROADCASTING COMPANY)
  • KSTM (88.9 FM; INDIANOLA, IA; Owner: SIMPSON COLLEGE)
  • K269EJ (101.7 FM; DES MOINES, IA; Owner: UNIVERSITY OF NORTHERN IOWA)
  • KIIC (97.9 FM; LAMONI, IA; Owner: THOMAS H. BURKE, RECEIVER FOR LIFESTYLE COMMUNICATIONS CORP.)

TV broadcast stations around St. Marys:

  • WOI-TV (Channel 5; AMES, IA; Owner: CAPITAL COMMUNICATIONS COMPANY, INC.)
  • KDIN-TV (Channel 11; DES MOINES, IA; Owner: IOWA PUBLIC BROADCASTING BOARD)
  • WBXF-CA (Channel 4; DES MOINES, IA; Owner: THE BOX WORLDWIDE LLC)
  • KPWB-TV (Channel 23; AMES, IA; Owner: PAPPAS TELECASTING OF IOWA, L.L.C.)
  • KDSM-TV (Channel 17; DES MOINES, IA; Owner: KDSM LICENSEE, LLC)
  • KCCI (Channel 8; DES MOINES, IA; Owner: DES MOINES HEARST-ARGYLE TV, INC.)
  • WHO-TV (Channel 13; DES MOINES, IA; Owner: NEW YORK TIMES MANAGEMENT SERVICES)
  • KRPG-LP (Channel 43; DES MOINES, IA; Owner: TIGER EYE BROADCASTING CORPORATION)
  • K41DD (Channel 41; DES MOINES, IA; Owner: VENTANA TELEVISION, INC.)
  • National Bridge Inventory (NBI) Statistics
  • 15Number of bridges
  • 138ft / 41.8mTotal length
  • 2,205Total average daily traffic
  • 288Total average daily truck traffic
  • 2,205Total future (year 2039) average daily traffic
New bridges in St. Marys, IA - historical statistics
  • New bridges - historical statistics
  • 11900-1909
  • 31940-1949
  • 21950-1959
  • 11960-1969
  • 11970-1979
  • 11990-1999
  • 32000-2009
  • 22010-2019
  • 12020-2022
See full National Bridge Inventory statistics for St. Marys, IA
Houses and condos Apartments
Most commonly used house heating fuel in houses and condos in St. Marys, IA
  • 83.7%Utility gas
  • 16.3%Bottled, tank, or LP gas
Most commonly used house heating fuel in apartments in St. Marys, IA
  • 100.0%Utility gas


St. Marys compared to Iowa state average:

  • Unemployed percentage significantly below state average.
  • Black race population percentage significantly below state average.
  • Hispanic race population percentage significantly below state average.
  • Median age below state average.
  • Foreign-born population percentage significantly below state average.
  • Length of stay since moving in significantly above state average.
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