Postal Codes

51556 ZIP Code

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ZIP code 51556 covers Modale, Iowa, with a population of about 289 and a median household income of $59,821.

Population
2896 per square mile
Median age
50.611.9 points above the US average
Median household income
$59,82118% below the Iowa median
Poverty rate
18.7%6.3 points above the US average
Typical home value
$203,959
Degree or higher
12.1%22.9 points below the US average
Homeownership
84.4%19.4 points above the US average
Time zone
Central UTC-06:00observes daylight saving time
Businesses
6

Where 51556 is

Modale, 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

Population289
Median age50.6
Family households60%
Born outside the US0.7%
Speaks a language other than English at home0%
White (non-Hispanic)97.6%
Black (non-Hispanic)0%
Asian (non-Hispanic)0%
Hispanic or Latino0%
Veterans9.5%
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$59,821
Income per person$36,198
Poverty rate18.7%
Households on SNAP or cash assistance3.7%

Household income distribution

Under $10k7.4%
$10–15k1.5%
$15–20k5.2%
$20–25k3.7%
$25–30k3.7%
$30–35k8.1%
$35–40k2.2%
$40–45k3.7%
$45–50k3.0%
$50–60k11.9%
$60–75k11.9%
$75–100k17.0%
$100–125k10.4%
$125–150k3.7%
$150–200k5.2%
$200k or more1.5%

Income as declared to the IRS

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

Tax returns filed200
Mean adjusted gross income$71,465
Returns declaring $200,000 or more0%
Returns, under $25k25.0%
Returns, $25k–$50k20.0%
Returns, $50k–$75k20.0%
Returns, $75k–$100k15.0%
Returns, $100k–$200k20.0%
Returns, $200k or more0.0%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$110,000
Rent as a share of household income23.8%
Owner-occupied84.4%
Vacant homes8.8%
Median year built1972

What the homes are

Detached house75%
2 to 4 units4.7%
Mobile home20.3%
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$203,959as of 2026-07
Typical home value, 1 yearup 6.1%
Typical home value since 2000
202220242026$203,959$166,357

$168,062 in 2022 to $203,959 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate7%
Bachelor's degree or higher12.1%
High school diploma or higher91.1%
Works from home16.9%
Drives to work alone78.5%
Takes public transport0%
Commutes 45 minutes or more22.2%
Health

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

Obesity35% 1.6 pts above the national average of 33.4%
Diagnosed diabetes11.9% same as the national average of 12%
Currently smokes16% 2.8 pts above the national average of 13.2%
High blood pressure36.2% 2.1 pts above the national average of 34.1%
Fair or poor general health17.8% 2.5 pts below the national average of 20.3%
No health insurance (18–64)6.4% 4.9 pts below the national average of 11.3%
Depression20% 1.9 pts below the national average of 21.9%
No leisure-time physical activity25.1% same as the national average of 25.4%
Arthritis28.7% 3.6 pts above the national average of 25.1%
Binge drinking20.5% 4.5 pts above the national average of 16%
Taking blood pressure medication79.1% 4.4 pts above the national average of 74.7%
Cancer (non-skin)9.6% 1.9 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 year78.8% 2.1 pts above the national average of 76.7%
Cholesterol screening86.1% same as the national average of 85.9%
Cognitive disability13.2% 1.6 pts below the national average of 14.8%
Colorectal screening68.3% 4 pts above the national average of 64.3%
COPD7.4% 0.8 pts above the national average of 6.6%
Visited a dentist70.2% 8.9 pts above the national average of 61.3%
Any disability28.4% 2.3 pts below the national average of 30.7%
Lacks emotional support23.2% 1.6 pts below the national average of 24.8%
Food insecurity10.7% 6.4 pts below the national average of 17.1%
Received food stamps8.8% 5.5 pts below the national average of 14.3%
Hearing disability7.8% 1.1 pts above the national average of 6.7%
High cholesterol37.9% 1.7 pts above the national average of 36.2%
Housing insecurity8.5% 5.3 pts below the national average of 13.8%
Independent living disability7.4% 1 pts below the national average of 8.4%
Lacks transport6% 3.2 pts below the national average of 9.2%
Loneliness30.3% 4.1 pts below the national average of 34.4%
Mammography use79.2% 3.3 pts above the national average of 75.9%
Poor mental health (14+ days)15.8% 1 pts below the national average of 16.8%
Mobility disability13.1% 0.9 pts below the national average of 14%
Poor physical health (14+ days)13.3% same as the national average of 13.5%
Self-care disability3.5% 0.5 pts below the national average of 4%
Utility shut-off threat5.8% 3 pts below the national average of 8.8%
Sleeps under 7 hours32.1% 4.3 pts below the national average of 36.4%
Stroke3.5% same as the national average of 3.4%
All natural teeth lost13% same as the national average of 13%
Vision disability4.1% 1.5 pts below the national average of 5.6%
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Business and employment

Census ZIP Code Business Patterns 2022

Business establishments6
People employed40
Annual payroll$2,301,000
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 77.3% of US census tracts
FEMA ratingRelatively Moderate
Expected annual loss72.1 out of 100
Community resilience58.2 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.

Drought98.3Relatively High at its worst in this ZIP code
Hail98.1Very High at its worst in this ZIP code
Landslide95.8Relatively Moderate at its worst in this ZIP code
Strong wind95.3Very High at its worst in this ZIP code
Tornado91.5Very High at its worst in this ZIP code
Ice storm86.1Relatively Moderate at its worst in this ZIP code
Wildfire85.2Relatively Moderate at its worst in this ZIP code
Winter weather78.8Relatively High at its worst in this ZIP code
River flooding76.1Relatively Moderate at its worst in this ZIP code
Cold wave65Relatively Moderate at its worst in this ZIP code
Lightning52.5Relatively Moderate at its worst in this ZIP code
Heat wave18.1Relatively 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$59,821$73,147$78,538
Income per person$36,198$39,728$43,289
Poverty rate18.7%11%12.4%
Median home value$110,000$195,900$303,400
Median gross rent$949$1,348
Homeownership84.4%71.5%65%
Bachelor's degree or higher12.1%30.9%35%
Unemployment rate7%3.6%5.2%
Works from home16.9%10.4%13.5%
Born outside the US0.7%5.7%13.9%
Median age50.638.638.7
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 stationBLAIR, NE US15.9 km away

Average high and low by month

January31.3°F / 13°F
February36.5°F / 16.9°F
March50.4°F / 27.2°F
April61.9°F / 37.7°F
May72.7°F / 50.2°F
June81.8°F / 60.4°F
July85.6°F / 64.7°F
August83.4°F / 62.8°F
September77.2°F / 53.5°F
October65.4°F / 41.4°F
November49.3°F / 28°F
December36.2°F / 18.1°F
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.

West Harrison Community School District96% of this ZIP code's land area
Missouri Valley Community School District4% 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 vulnerability28more vulnerable than 28% of US census tracts
Socioeconomic status13more vulnerable than 13% of US census tracts
Household characteristics32more vulnerable than 32% of US census tracts
Racial and ethnic minority status6more vulnerable than 6% of US census tracts
Housing type and transport73more vulnerable than 73% of US census tracts
Walkability5.9 out of 20Below average
Nearby ZIP codes

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

51557 Mondamin, IA8.2 km away
51550 Magnolia, IA11.1 km away
51555 Missouri Valley, IA11.2 km away
51546 Logan, IA16.3 km away
68008 Blair, NE17.9 km away
51545 Little Sioux, IA19.4 km away
68009 Blair, NE19.7 km away
51564 Pisgah, IA21.2 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.

Harrison County100% of this ZIP code's land area
Time zoneCentral (UTC-06:00 standard)
Daylight saving timeObserved
Land area49.46 sq mi
Water area1.33 sq mi
Population density6 people per sq mi
Latitude, longitude41.6371, -95.9852

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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