Postal Codes

51525 ZIP Code

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ZIP code 51525 covers Carson, Iowa, with a population of about 977 and a median household income of $79,034.

Population
97716 per square mile
Median age
44.65.9 points above the US average
Median household income
$79,0341.1× the Iowa median
Poverty rate
5.4%7 points below the US average
Typical home value
$263,394up 36.9% in five years
Median rent
$69627% below the Iowa median
Degree or higher
26.8%8.2 points below the US average
Homeownership
81.6%16.6 points above the US average
Time zone
Central UTC-06:00observes daylight saving time
Businesses
20

Where 51525 is

Carson, 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

Population977
Median age44.6
Family households59%
Born outside the US0.5%
Speaks a language other than English at home0.3%
White (non-Hispanic)96.6%
Black (non-Hispanic)0%
Asian (non-Hispanic)0%
Hispanic or Latino0.7%
Veterans4.8%
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$79,034
Income per person$41,387
Poverty rate5.4%
Households on SNAP or cash assistance3.3%

Household income distribution

Under $10k2.3%
$10–15k0.9%
$15–20k5.4%
$20–25k2.1%
$25–30k3.5%
$30–35k3.5%
$35–40k3.5%
$40–45k4.2%
$45–50k3.3%
$50–60k6.8%
$60–75k11.2%
$75–100k17.2%
$100–125k8.2%
$125–150k12.8%
$150–200k6.1%
$200k or more9.1%

Income as declared to the IRS

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

Tax returns filed540
Mean adjusted gross income$94,467
Returns declaring $200,000 or more7.4%
Returns, under $25k22.2%
Returns, $25k–$50k20.4%
Returns, $50k–$75k14.8%
Returns, $75k–$100k13.0%
Returns, $100k–$200k22.2%
Returns, $200k or more7.4%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$192,900
Median gross rent$696
Rent as a share of household income26.3%
Owner-occupied81.6%
Vacant homes1.6%
Median year built1958

What the homes are

Detached house94.3%
Attached house2.8%
2 to 4 units1.8%
5 to 19 units1.1%
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$263,394as of 2026-07
Typical home value, 1 yearup 4%
Typical home value, 5 yearsup 36.9%
Typical home value, 10 yearsup 88.5%
Typical home value since 2000
200820172026$263,394$101,385

$103,414 in 2008 to $263,394 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate3.4%
Bachelor's degree or higher26.8%
High school diploma or higher93.6%
Works from home11.3%
Drives to work alone81.4%
Takes public transport0%
Commutes 45 minutes or more31.3%
Health

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

Obesity36.6% 3.2 pts above the national average of 33.4%
Diagnosed diabetes10.9% 1.1 pts below the national average of 12%
Currently smokes14.9% 1.7 pts above the national average of 13.2%
High blood pressure35.5% 1.4 pts above the national average of 34.1%
Fair or poor general health16.3% 4 pts below the national average of 20.3%
No health insurance (18–64)5.9% 5.4 pts below the national average of 11.3%
Depression20.9% 1 pts below the national average of 21.9%
No leisure-time physical activity23.9% 1.5 pts below the national average of 25.4%
Arthritis28% 2.9 pts above the national average of 25.1%
Binge drinking20.9% 4.9 pts above the national average of 16%
Taking blood pressure medication80.3% 5.6 pts above the national average of 74.7%
Cancer (non-skin)10.2% 2.5 pts above the national average of 7.7%
Current asthma10% same as the national average of 10.4%
Coronary heart disease6.9% 0.7 pts above the national average of 6.2%
Routine check-up in past year78.4% 1.7 pts above the national average of 76.7%
Cholesterol screening86.4% 0.5 pts above the national average of 85.9%
Cognitive disability12.5% 2.3 pts below the national average of 14.8%
Colorectal screening69.3% 5 pts above the national average of 64.3%
COPD7.1% 0.5 pts above the national average of 6.6%
Visited a dentist68.6% 7.3 pts above the national average of 61.3%
Any disability28.8% 1.9 pts below the national average of 30.7%
Lacks emotional support23.7% 1.1 pts below the national average of 24.8%
Food insecurity9.7% 7.4 pts below the national average of 17.1%
Received food stamps7.4% 6.9 pts below the national average of 14.3%
Hearing disability8% 1.3 pts above the national average of 6.7%
High cholesterol37.8% 1.6 pts above the national average of 36.2%
Housing insecurity7.5% 6.3 pts below the national average of 13.8%
Independent living disability6.9% 1.5 pts below the national average of 8.4%
Lacks transport5.5% 3.7 pts below the national average of 9.2%
Loneliness33.2% 1.2 pts below the national average of 34.4%
Mammography use80.7% 4.8 pts above the national average of 75.9%
Poor mental health (14+ days)15.5% 1.3 pts below the national average of 16.8%
Mobility disability13% 1 pts below the national average of 14%
Poor physical health (14+ days)12.5% 1 pts below the national average of 13.5%
Self-care disability3.1% 0.9 pts below the national average of 4%
Utility shut-off threat5% 3.8 pts below the national average of 8.8%
Sleeps under 7 hours32.5% 3.9 pts below the national average of 36.4%
Stroke3.4% same as the national average of 3.4%
All natural teeth lost11.2% 1.8 pts below the national average of 13%
Vision disability3.8% 1.8 pts below the national average of 5.6%
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Business and employment

Census ZIP Code Business Patterns 2022

Business establishments20
People employed65
Annual payroll$1,890,000
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 61.6% of US census tracts
FEMA ratingRelatively Low to Relatively Moderate across the 2 census tracts this ZIP code covers
Expected annual loss69.2 out of 100
Community resilience58.1 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.

Drought97.8Relatively High at its worst in this ZIP code
Hail96.7Relatively High at its worst in this ZIP code
Strong wind93.4Relatively High at its worst in this ZIP code
Landslide91.4Relatively Low at its worst in this ZIP code
Tornado89.2Relatively High at its worst in this ZIP code
Wildfire79.5Relatively Low at its worst in this ZIP code
Ice storm78.7Relatively Moderate at its worst in this ZIP code
Cold wave75.3Relatively Moderate at its worst in this ZIP code
Winter weather72.8Relatively Moderate at its worst in this ZIP code
Heat wave55.2Relatively Low at its worst in this ZIP code
Lightning53.9Relatively Moderate at its worst in this ZIP code
River flooding43Relatively Low at its worst in this ZIP code
Earthquake9.9Very 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$79,034$73,147$78,538
Income per person$41,387$39,728$43,289
Poverty rate5.4%11%12.4%
Median home value$192,900$195,900$303,400
Median gross rent$696$949$1,348
Homeownership81.6%71.5%65%
Bachelor's degree or higher26.8%30.9%35%
Unemployment rate3.4%3.6%5.2%
Works from home11.3%10.4%13.5%
Born outside the US0.5%5.7%13.9%
Median age44.638.638.7
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 stationOAKLAND, IA US8 km away
Rain in a year36 in
Snow in a year28 in

Average high and low by month

January30.1°F / 11.8°F0.85 in rain, 6.7 in snow
February35°F / 15.6°F1.07 in rain, 8 in snow
March48.8°F / 26.7°F1.99 in rain, 3.4 in snow
April61.5°F / 37.2°F3.9 in rain, 1.1 in snow
May71.9°F / 49.9°F5.42 in rain, 0.1 in snow
June81.5°F / 60.5°F5.28 in rain
July84.7°F / 64°F3.58 in rain
August83°F / 61.9°F4.87 in rain
September76.7°F / 52.8°F3.62 in rain
October64°F / 40.5°F2.97 in rain, 1 in snow
November48°F / 27.7°F1.57 in rain, 1.2 in snow
December34.8°F / 17.4°F1.31 in rain, 6.5 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%.

This ZIP code is served by 2 school districts, so the address decides which one, not the ZIP code.

Riverside Community School District96.9% of this ZIP code's land area
Treynor Community School District3.1% 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 vulnerability10more vulnerable than 10% of US census tracts
Socioeconomic status13more vulnerable than 13% of US census tracts
Household characteristics36more vulnerable than 36% of US census tracts
Racial and ethnic minority status6more vulnerable than 6% of US census tracts
Housing type and transport14more vulnerable than 14% 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.

51549 Macedonia, IA5.1 km away
51560 Oakland, IA9 km away
51541 Henderson, IA12.8 km away
51575 Treynor, IA15.9 km away
51536 Hancock, IA17.4 km away
51576 Underwood, IA22.2 km away
51571 Silver City, IA22.2 km away
51548 Mc Clelland, IA22.9 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.

Pottawattamie County100% of this ZIP code's land area
Time zoneCentral (UTC-06:00 standard)
Daylight saving timeObserved
Land area61.91 sq mi
Water area0.09 sq mi
Population density16 people per sq mi
Latitude, longitude41.2367, -95.4181

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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