Postal Codes

50241 ZIP Code

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ZIP code 50241 covers Saint Marys, Iowa, with a population of about 112 and a median household income of $78,750.

Population
112796 per square mile
Median age
53.514.8 points above the US average
Median household income
$78,7501.1× the Iowa median
Poverty rate
6.2%6.2 points below the US average
Median home value
$168,80014% below the Iowa median
Median rent
$1,3001.4× the Iowa median
Degree or higher
23.2%11.8 points below the US average
Homeownership
76.9%11.9 points above the US average
Time zone
Central UTC-06:00observes daylight saving time
Businesses
4

Where 50241 is

Saint Marys, Iowa — the area the Census Bureau draws for this ZIP code. ZIP codes are sets of delivery routes rather than areas, so this is the Census approximation of one, not a Postal Service boundary.

People and households

American Community Survey 2019–2023 five-year estimates

Population112
Median age53.5
Family households61.5%
Born outside the US1.8%
Speaks a language other than English at home0%
White (non-Hispanic)100%
Black (non-Hispanic)0%
Asian (non-Hispanic)0%
Hispanic or Latino0%
Veterans11.8%
Population by age
MaleFemale0-45-910-1415-1920-2425-3435-4445-5455-6465-7475-8485+
Income and poverty

American Community Survey 2019–2023 five-year estimates

Median household income$78,750
Income per person$45,503
Poverty rate6.2%
Households on SNAP or cash assistance3.8%

Household income distribution

Under $10k0.0%
$10–15k0.0%
$15–20k7.7%
$20–25k0.0%
$25–30k9.6%
$30–35k1.9%
$35–40k0.0%
$40–45k0.0%
$45–50k0.0%
$50–60k11.5%
$60–75k9.6%
$75–100k28.8%
$100–125k3.8%
$125–150k3.8%
$150–200k21.2%
$200k or more1.9%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$168,800
Median gross rent$1,300
Owner-occupied76.9%
Vacant homes0%
Median year built1962

What the homes are

Detached house82.7%
Attached house7.7%
2 to 4 units1.9%
5 to 19 units7.7%
Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate0%
Bachelor's degree or higher23.2%
High school diploma or higher96.8%
Works from home4.8%
Drives to work alone80.6%
Takes public transport0%
Commutes 45 minutes or more16.9%
Health

CDC PLACES 2025 release, model-based estimates. These are modelled small-area estimates for adults, not counts of diagnosed cases.

Obesity37.2% 3.8 pts above the national average of 33.4%
Diagnosed diabetes9.3% 2.7 pts below the national average of 12%
Currently smokes12.2% 1 pts below the national average of 13.2%
High blood pressure32% 2.1 pts below the national average of 34.1%
Fair or poor general health14.8% 5.5 pts below the national average of 20.3%
No health insurance (18–64)5.5% 5.8 pts below the national average of 11.3%
Depression21.2% 0.7 pts below the national average of 21.9%
No leisure-time physical activity22.5% 2.9 pts below the national average of 25.4%
Arthritis26.2% 1.1 pts above the national average of 25.1%
Binge drinking21.6% 5.6 pts above the national average of 16%
Taking blood pressure medication78.9% 4.2 pts above the national average of 74.7%
Cancer (non-skin)9.2% 1.5 pts above the national average of 7.7%
Current asthma9.8% 0.6 pts below the national average of 10.4%
Coronary heart disease6.1% same as the national average of 6.2%
Routine check-up in past year76.9% same as the national average of 76.7%
Cholesterol screening84.6% 1.3 pts below the national average of 85.9%
Cognitive disability12.9% 1.9 pts below the national average of 14.8%
Colorectal screening66% 1.7 pts above the national average of 64.3%
COPD5.9% 0.7 pts below the national average of 6.6%
Visited a dentist70.9% 9.6 pts above the national average of 61.3%
Any disability26.6% 4.1 pts below the national average of 30.7%
Lacks emotional support21.7% 3.1 pts below the national average of 24.8%
Food insecurity8.6% 8.5 pts below the national average of 17.1%
Received food stamps6.8% 7.5 pts below the national average of 14.3%
Hearing disability7.4% 0.7 pts above the national average of 6.7%
High cholesterol35.1% 1.1 pts below the national average of 36.2%
Housing insecurity7% 6.8 pts below the national average of 13.8%
Independent living disability6.7% 1.7 pts below the national average of 8.4%
Lacks transport5.3% 3.9 pts below the national average of 9.2%
Loneliness32% 2.4 pts below the national average of 34.4%
Mammography use78.9% 3 pts above the national average of 75.9%
Poor mental health (14+ days)16% 0.8 pts below the national average of 16.8%
Mobility disability11.3% 2.7 pts below the national average of 14%
Poor physical health (14+ days)11.6% 1.9 pts below the national average of 13.5%
Self-care disability2.7% 1.3 pts below the national average of 4%
Utility shut-off threat4.7% 4.1 pts below the national average of 8.8%
Sleeps under 7 hours30.7% 5.7 pts below the national average of 36.4%
Stroke3% same as the national average of 3.4%
All natural teeth lost7.5% 5.5 pts below the national average of 13%
Vision disability3.5% 2.1 pts below the national average of 5.6%
Business and employment

Census ZIP Code Business Patterns 2022

Business establishments4
People employed12
Annual payroll$197,000
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Natural hazard risk

FEMA National Risk Index, estimated for this ZIP code from census tract data — the NRI is not published per ZIP.

Overall riskHigher than 60.2% of US census tracts
FEMA ratingRelatively Moderate
Expected annual loss71.7 out of 100
Community resilience86.1 out of 100

By hazard

Score is out of 100 and is the area-weighted average across the census tracts this ZIP code covers. The rating beside it is the highest any one of those tracts carries.

Drought98.6Relatively High at its worst in this ZIP code
Landslide94.2Relatively Low at its worst in this ZIP code
Wildfire88.3Relatively Low at its worst in this ZIP code
Strong wind85Relatively High at its worst in this ZIP code
Lightning83.1Relatively High at its worst in this ZIP code
Tornado80.3Relatively High at its worst in this ZIP code
Hail78.3Relatively Moderate at its worst in this ZIP code
Ice storm73.9Relatively Moderate at its worst in this ZIP code
Cold wave71.1Relatively Moderate at its worst in this ZIP code
Heat wave70.7Relatively Moderate at its worst in this ZIP code
Winter weather52.4Relatively Moderate at its worst in this ZIP code
River flooding50.1Relatively Moderate at its worst in this ZIP code
Hurricane22Very Low at its worst in this ZIP code
Earthquake13.5Very Low at its worst in this ZIP code
Compared with Iowa and the United States

State and national columns are figures for those areas, not for this ZIP code. American Community Survey 2019–2023 five-year estimates

This ZIPIowaUnited States
Median household income$78,750$73,147$78,538
Income per person$45,503$39,728$43,289
Poverty rate6.2%11%12.4%
Median home value$168,800$195,900$303,400
Median gross rent$1,300$949$1,348
Homeownership76.9%71.5%65%
Bachelor's degree or higher23.2%30.9%35%
Unemployment rate0%3.6%5.2%
Works from home4.8%10.4%13.5%
Born outside the US1.8%5.7%13.9%
Median age53.538.638.7
Climate

NOAA US Climate Normals 1991-2020, from the nearest weather station with a full year of records. The station and its distance are named above, because a station forty kilometres away describes somewhere else.

Weather stationINDIANOLA 2W, IA US9.8 km away
Rain in a year38 in
Snow in a year31 in

Average high and low by month

January31.7°F / 11.6°F0.91 in rain, 8.5 in snow
February36.3°F / 15.2°F1.42 in rain, 8.2 in snow
March49.5°F / 27.1°F1.94 in rain, 3.7 in snow
April62.1°F / 37.9°F3.88 in rain, 1 in snow
May71.9°F / 49.9°F5.58 in rain, 0.3 in snow
June81.4°F / 60°F5.72 in rain
July85.5°F / 64°F4.32 in rain
August84°F / 61.6°F3.9 in rain
September77.6°F / 52.4°F3.86 in rain
October64.8°F / 40.1°F3.02 in rain, 0.5 in snow
November49.6°F / 27.9°F1.85 in rain, 1.9 in snow
December36.9°F / 17.4°F1.4 in rain, 6.7 in snow
Access to food

USDA Food Access Research Atlas, estimated for this ZIP code from census tract data. Each figure is the share of the ZIP code's land area that falls in a tract carrying that flag.

Low income and far from a supermarketNone of this ZIP code
Far from a supermarketNone of this ZIP code
No vehicle and far from a supermarketNone of this ZIP code
School districts

NCES Geographic Relationship File 2025, which states the association between each district and each ZIP code tabulation area directly. Elementary and secondary districts can cover the same ground, so shares need not total 100%.

Martensdale-St. Marys Community School District100% of this ZIP code's land area
Community and walkability

CDC/ATSDR Social Vulnerability Index 2022 and the EPA National Walkability Index, both estimated for this ZIP code from census tract data. Vulnerability figures are national percentile ranks, not measurements.

Overall social vulnerability9more vulnerable than 9% of US census tracts
Socioeconomic status6more vulnerable than 6% of US census tracts
Household characteristics24more vulnerable than 24% of US census tracts
Racial and ethnic minority status7more vulnerable than 7% of US census tracts
Housing type and transport26more vulnerable than 26% of US census tracts
Walkability4.2 out of 20Least walkable
Nearby ZIP codes

The closest ZIP codes by centre point, which is not the same as sharing a border.

50160 Martensdale, IA7.2 km away
50240 Saint Charles, IA7.5 km away
50033 Bevington, IA7.7 km away
50229 Prole, IA8.3 km away
50125 Indianola, IA12.5 km away
50218 Patterson, IA12.8 km away
50210 New Virginia, IA13.8 km away
50257 Truro, IA14.2 km away
Location, counties and time zone

County shares from Census 2020 ZCTA relationship files. Time zone from the USDOT National Transportation Atlas, which renders the boundaries written into 49 CFR Part 71.

Warren County100% of this ZIP code's land area
Time zoneCentral (UTC-06:00 standard)
Daylight saving timeObserved
Land area0.14 sq mi
Population density796 people per sq mi
Latitude, longitude41.3084, -93.7369

Figures are published for this ZIP code or its Census tabulation area unless a section says otherwise. Estimates whose margin of error made them unreliable are omitted rather than shown. Sources: US Census Bureau, CDC, IRS.

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