Postal Codes

51232 ZIP Code

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ZIP code 51232 covers Ashton, Iowa, with a population of about 713 and a median household income of $79,250.

Population
71312 per square mile
Median age
49.410.7 points above the US average
Median household income
$79,2501.1× the Iowa median
Poverty rate
4.8%7.6 points below the US average
Typical home value
$183,532
Degree or higher
11.7%23.3 points below the US average
Homeownership
80.6%15.6 points above the US average
Time zone
Central UTC-06:00observes daylight saving time
Businesses
10

Where 51232 is

Ashton, 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

Population713
Median age49.4
Family households64.9%
Born outside the US1.3%
Speaks a language other than English at home1.9%
White (non-Hispanic)97.5%
Black (non-Hispanic)0%
Asian (non-Hispanic)0%
Hispanic or Latino1.7%
Veterans8.5%
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$79,250
Income per person$37,438
Poverty rate4.8%
Households on SNAP or cash assistance8.2%

Household income distribution

Under $10k7.5%
$10–15k2.2%
$15–20k1.6%
$20–25k3.4%
$25–30k1.6%
$30–35k5.0%
$35–40k3.8%
$40–45k5.3%
$45–50k2.2%
$50–60k10.0%
$60–75k4.4%
$75–100k20.1%
$100–125k10.7%
$125–150k7.8%
$150–200k8.8%
$200k or more5.6%

Income as declared to the IRS

Filed returns rather than survey responses, so this counts tax units and not households.

Tax returns filed370
Mean adjusted gross income$69,297
Returns declaring $200,000 or more0%
Returns, under $25k21.6%
Returns, $25k–$50k24.3%
Returns, $50k–$75k16.2%
Returns, $75k–$100k16.2%
Returns, $100k–$200k21.6%
Returns, $200k or more0.0%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$97,700
Rent as a share of household income9%
Owner-occupied80.6%
Vacant homes4.5%
Median year built1938

What the homes are

Detached house97%
2 to 4 units0.3%
5 to 19 units0.9%
Mobile home1.8%
Home values and rents today

Zillow Home Value Index and Zillow Observed Rent Index, courtesy of Zillow. Monthly and current, where the Census figures above are a five-year average and are capped at $2,000,000.

Typical home value$183,532as of 2026-07
Typical home value, 1 yearup 10%
Typical home value since 2000
202220242026$183,532$152,607

$153,766 in 2022 to $183,532 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate0%
Bachelor's degree or higher11.7%
High school diploma or higher88.8%
Works from home6.3%
Drives to work alone78.2%
Takes public transport0.5%
Commutes 45 minutes or more10.6%
Health

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

Obesity39.8% 6.4 pts above the national average of 33.4%
Diagnosed diabetes12.5% 0.5 pts above the national average of 12%
Currently smokes17.9% 4.7 pts above the national average of 13.2%
High blood pressure37.1% 3 pts above the national average of 34.1%
Fair or poor general health20.3% same as the national average of 20.3%
No health insurance (18–64)7.7% 3.6 pts below the national average of 11.3%
Depression21.3% 0.6 pts below the national average of 21.9%
No leisure-time physical activity27.7% 2.3 pts above the national average of 25.4%
Arthritis29.4% 4.3 pts above the national average of 25.1%
Binge drinking19.8% 3.8 pts above the national average of 16%
Taking blood pressure medication79% 4.3 pts above the national average of 74.7%
Cancer (non-skin)9.4% 1.7 pts above the national average of 7.7%
Current asthma10.4% same as the national average of 10.4%
Coronary heart disease7.6% 1.4 pts above the national average of 6.2%
Routine check-up in past year77.3% 0.6 pts above the national average of 76.7%
Cholesterol screening84.7% 1.2 pts below the national average of 85.9%
Cognitive disability14.9% same as the national average of 14.8%
Colorectal screening66.6% 2.3 pts above the national average of 64.3%
COPD8.5% 1.9 pts above the national average of 6.6%
Visited a dentist67.2% 5.9 pts above the national average of 61.3%
Any disability31.4% 0.7 pts above the national average of 30.7%
Lacks emotional support24.6% same as the national average of 24.8%
Food insecurity12.8% 4.3 pts below the national average of 17.1%
Received food stamps10.7% 3.6 pts below the national average of 14.3%
Hearing disability8.5% 1.8 pts above the national average of 6.7%
High cholesterol37.5% 1.3 pts above the national average of 36.2%
Housing insecurity9.7% 4.1 pts below the national average of 13.8%
Independent living disability8.4% same as the national average of 8.4%
Lacks transport6.9% 2.3 pts below the national average of 9.2%
Loneliness32.8% 1.6 pts below the national average of 34.4%
Mammography use79.3% 3.4 pts above the national average of 75.9%
Poor mental health (14+ days)17% same as the national average of 16.8%
Mobility disability14.9% 0.9 pts above the national average of 14%
Poor physical health (14+ days)14.6% 1.1 pts above the national average of 13.5%
Self-care disability4% same as the national average of 4%
Utility shut-off threat6.5% 2.3 pts below the national average of 8.8%
Sleeps under 7 hours31.8% 4.6 pts below the national average of 36.4%
Stroke3.8% same as the national average of 3.4%
All natural teeth lost10.8% 2.2 pts below the national average of 13%
Vision disability4.8% 0.8 pts below the national average of 5.6%
Business and employment

Census ZIP Code Business Patterns 2022

Business establishments10
People employed65
Annual payroll$4,138,000
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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 84.1% of US census tracts
FEMA ratingRelatively Moderate to Relatively High across the 4 census tracts this ZIP code covers
Expected annual loss82.7 out of 100
Community resilience60.8 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.

Hail99.5Very High at its worst in this ZIP code
Winter weather98.5Very High at its worst in this ZIP code
Drought97.4Relatively High at its worst in this ZIP code
Cold wave92.9Very High at its worst in this ZIP code
Tornado92.5Very High at its worst in this ZIP code
Ice storm91.4Relatively High at its worst in this ZIP code
Strong wind91.2Relatively High at its worst in this ZIP code
Wildfire76.2Relatively Low at its worst in this ZIP code
Landslide72.4Very Low at its worst in this ZIP code
River flooding67.3Relatively High at its worst in this ZIP code
Lightning66Relatively High at its worst in this ZIP code
Heat wave58Relatively Moderate at its worst in this ZIP code
Earthquake15.1Very 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$79,250$73,147$78,538
Income per person$37,438$39,728$43,289
Poverty rate4.8%11%12.4%
Median home value$97,700$195,900$303,400
Median gross rent$949$1,348
Homeownership80.6%71.5%65%
Bachelor's degree or higher11.7%30.9%35%
Unemployment rate0%3.6%5.2%
Works from home6.3%10.4%13.5%
Born outside the US1.3%5.7%13.9%
Median age49.438.638.7
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 stationSIBLEY, IA US11.1 km away
Rain in a year30 in
Snow in a year42 in

Average high and low by month

January23.1°F / 4.7°F0.74 in rain, 8.1 in snow
February28°F / 8.8°F0.84 in rain, 7.4 in snow
March41°F / 20.6°F1.59 in rain, 7 in snow
April56.1°F / 32.5°F3.25 in rain, 3.7 in snow
May68.8°F / 45.5°F4.06 in rain
June78.9°F / 56.7°F4.88 in rain
July82.1°F / 60.3°F3.3 in rain
August79.9°F / 57.9°F3.58 in rain
September73.8°F / 49.1°F3.25 in rain
October59.8°F / 35.7°F2.31 in rain, 1.1 in snow
November42.6°F / 22.3°F1.38 in rain, 5.1 in snow
December28.3°F / 10.7°F1.05 in rain, 9.1 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 supermarket5% of this ZIP code's area
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%.

This ZIP code is served by 3 school districts, so the address decides which one, not the ZIP code.

Sheldon Community School District57.6% of this ZIP code's land area
Sibley-Ocheyedan Community School District24.4% of this ZIP code's land area
George-Little Rock Community School District18% 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 vulnerability29more vulnerable than 29% of US census tracts
Socioeconomic status31more vulnerable than 31% of US census tracts
Household characteristics53more vulnerable than 53% of US census tracts
Racial and ethnic minority status21more vulnerable than 21% of US census tracts
Housing type and transport28more vulnerable than 28% of US census tracts
Walkability4.3 out of 20Least walkable
Nearby ZIP codes

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

51249 Sibley, IA11.5 km away
51350 Melvin, IA14.2 km away
51201 Sheldon, IA15.1 km away
51244 Matlock, IA15.3 km away
51248 Sanborn, IA15.4 km away
51237 George, IA18.6 km away
51243 Little Rock, IA19.1 km away
51234 Boyden, IA20.9 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.

Osceola County72.7% of this ZIP code's land area
Lyon County25.7% of this ZIP code's land area
O'Brien County1.6% of this ZIP code's land area
Time zoneCentral (UTC-06:00 standard)
Daylight saving timeObserved
Land area60.98 sq mi
Water area0.03 sq mi
Population density12 people per sq mi
Latitude, longitude43.3053, -95.7655

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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