Postal Codes

50156 ZIP Code

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ZIP code 50156 covers Madrid, Iowa, with a population of about 4,407 and a median household income of $97,298.

Population
4,40750 per square mile
Median age
41.22.5 points above the US average
Median household income
$97,2981.3× the Iowa median
Poverty rate
5.2%7.2 points below the US average
Typical home value
$290,404up 33% in five years
Median rent
$8659% below the Iowa median
Degree or higher
29.9%5.1 points below the US average
Homeownership
86.3%21.3 points above the US average
Time zone
Central UTC-06:00observes daylight saving time
Businesses
92

Where 50156 is

Madrid, 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

Population4,407
Median age41.2
Family households69.7%
Born outside the US0%
Speaks a language other than English at home3.6%
White (non-Hispanic)95%
Black (non-Hispanic)0%
Asian (non-Hispanic)0%
Hispanic or Latino3.7%
Veterans5.8%
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$97,298
Income per person$46,657
Poverty rate5.2%
Households on SNAP or cash assistance3.5%

Household income distribution

Under $10k1.2%
$10–15k1.5%
$15–20k0.9%
$20–25k3.4%
$25–30k1.5%
$30–35k1.5%
$35–40k4.1%
$40–45k2.2%
$45–50k3.6%
$50–60k4.8%
$60–75k8.1%
$75–100k19.9%
$100–125k17.4%
$125–150k13.2%
$150–200k8.6%
$200k or more8.1%

Income as declared to the IRS

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

Tax returns filed2,170
Mean adjusted gross income$83,678
Returns declaring $200,000 or more5.5%
Returns, under $25k20.3%
Returns, $25k–$50k21.2%
Returns, $50k–$75k16.6%
Returns, $75k–$100k13.4%
Returns, $100k–$200k23.0%
Returns, $200k or more5.5%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$219,500
Median gross rent$865
Rent as a share of household income18.9%
Owner-occupied86.3%
Vacant homes5.9%
Median year built1965

What the homes are

Detached house84.4%
Attached house2.8%
2 to 4 units3.2%
5 to 19 units2.9%
20 or more units3.8%
Mobile home3%
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$290,404as of 2026-07
Typical home value, 1 yearup 4.1%
Typical home value, 5 yearsup 33%
Typical home value, 10 yearsup 86.5%
Typical home value since 2000
200020132026$290,404$94,866

$94,866 in 2000 to $290,404 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate0.5%
Bachelor's degree or higher29.9%
High school diploma or higher91.7%
Works from home11.1%
Drives to work alone79%
Takes public transport0.1%
Commutes 45 minutes or more11.1%
Health

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

Obesity40.6% 7.2 pts above the national average of 33.4%
Diagnosed diabetes10.3% 1.7 pts below the national average of 12%
Currently smokes12.7% 0.5 pts below the national average of 13.2%
High blood pressure34.8% 0.7 pts above the national average of 34.1%
Fair or poor general health15.3% 5 pts below the national average of 20.3%
No health insurance (18–64)5.4% 5.9 pts below the national average of 11.3%
Depression20.2% 1.7 pts below the national average of 21.9%
No leisure-time physical activity22.6% 2.8 pts below the national average of 25.4%
Arthritis27.7% 2.6 pts above the national average of 25.1%
Binge drinking20.7% 4.7 pts above the national average of 16%
Taking blood pressure medication78.3% 3.6 pts above the national average of 74.7%
Cancer (non-skin)9.8% 2.1 pts above the national average of 7.7%
Current asthma9.8% 0.6 pts below the national average of 10.4%
Coronary heart disease6.2% same as the national average of 6.2%
Routine check-up in past year78.4% 1.7 pts above the national average of 76.7%
Cholesterol screening86.8% 0.9 pts above the national average of 85.9%
Cognitive disability11.8% 3 pts below the national average of 14.8%
Colorectal screening68.7% 4.4 pts above the national average of 64.3%
COPD6.2% same as the national average of 6.6%
Visited a dentist72.7% 11.4 pts above the national average of 61.3%
Any disability25.4% 5.3 pts below the national average of 30.7%
Lacks emotional support22.2% 2.6 pts below the national average of 24.8%
Food insecurity8.4% 8.7 pts below the national average of 17.1%
Received food stamps6.6% 7.7 pts below the national average of 14.3%
Hearing disability7.2% 0.5 pts above the national average of 6.7%
High cholesterol36.7% 0.5 pts above the national average of 36.2%
Housing insecurity7.2% 6.6 pts below the national average of 13.8%
Independent living disability6.4% 2 pts below the national average of 8.4%
Lacks transport5.1% 4.1 pts below the national average of 9.2%
Loneliness31.1% 3.3 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)15.1% 1.7 pts below the national average of 16.8%
Mobility disability11.6% 2.4 pts below the national average of 14%
Poor physical health (14+ days)11.9% 1.6 pts below the national average of 13.5%
Self-care disability2.9% 1.1 pts below the national average of 4%
Utility shut-off threat4.9% 3.9 pts below the national average of 8.8%
Sleeps under 7 hours33% 3.4 pts below the national average of 36.4%
Stroke3.1% same as the national average of 3.4%
All natural teeth lost11.3% 1.7 pts below the national average of 13%
Vision disability3.5% 2.1 pts below the national average of 5.6%
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Business and employment

Census ZIP Code Business Patterns 2022

Business establishments92
People employed469
Annual payroll$18,566,000
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 76.1% of US census tracts
FEMA ratingRelatively Moderate
Expected annual loss86.6 out of 100
Community resilience93.1 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.

Drought98.7Relatively High at its worst in this ZIP code
Hail92.3Relatively High at its worst in this ZIP code
Strong wind91.6Relatively High at its worst in this ZIP code
Tornado91.3Relatively High at its worst in this ZIP code
Landslide89.8Relatively Low at its worst in this ZIP code
Winter weather89.6Relatively High at its worst in this ZIP code
Cold wave80.3Relatively High at its worst in this ZIP code
Ice storm78.8Relatively Moderate at its worst in this ZIP code
Wildfire72.7Relatively Low at its worst in this ZIP code
River flooding71.4Relatively Moderate at its worst in this ZIP code
Lightning52.2Relatively Moderate at its worst in this ZIP code
Hurricane28.1Very Low at its worst in this ZIP code
Heat wave21Relatively Moderate at its worst in this ZIP code
Earthquake16.9Very 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$97,298$73,147$78,538
Income per person$46,657$39,728$43,289
Poverty rate5.2%11%12.4%
Median home value$219,500$195,900$303,400
Median gross rent$865$949$1,348
Homeownership86.3%71.5%65%
Bachelor's degree or higher29.9%30.9%35%
Unemployment rate0.5%3.6%5.2%
Works from home11.1%10.4%13.5%
Born outside the US0%5.7%13.9%
Median age41.238.638.7
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 stationAMES 8 WSW, IA US16.3 km away
Rain in a year36 in
Snow in a year33 in

Average high and low by month

January28.9°F / 11.9°F0.69 in rain, 7.8 in snow
February33.6°F / 16.1°F1.02 in rain, 10 in snow
March47.7°F / 27.7°F2.01 in rain, 4.2 in snow
April62°F / 38.6°F3.89 in rain, 1.3 in snow
May72.5°F / 50.7°F4.99 in rain
June81.3°F / 60.9°F4.89 in rain
July83.9°F / 64.1°F4.53 in rain
August81.8°F / 61.8°F4.75 in rain
September77°F / 53.5°F3.47 in rain
October64.1°F / 41.4°F2.63 in rain, 0.5 in snow
November47.5°F / 28.6°F1.86 in rain, 2 in snow
December33.7°F / 17.5°F1.17 in rain, 6.9 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 5 school districts, so the address decides which one, not the ZIP code.

Madrid Community School District44.1% of this ZIP code's land area
United Community School District39.6% of this ZIP code's land area
Ballard Community School District8.2% of this ZIP code's land area
North Polk Community School District5.6% of this ZIP code's land area
Woodward-Granger Community School District2.5% 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 vulnerability13more vulnerable than 13% of US census tracts
Socioeconomic status7more vulnerable than 7% of US census tracts
Household characteristics20more vulnerable than 20% of US census tracts
Racial and ethnic minority status8more vulnerable than 8% of US census tracts
Housing type and transport46more vulnerable than 46% of US census tracts
Walkability6.5 out of 20Below average
Nearby ZIP codes

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

50152 Luther, IA6.1 km away
50276 Woodward, IA6.6 km away
50243 Sheldahl, IA12.6 km away
50244 Slater, IA13.6 km away
50109 Granger, IA13.8 km away
50039 Bouton, IA14 km away
50134 Kelley, IA16.6 km away
50226 Polk City, IA19.3 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.

Boone County77.4% of this ZIP code's land area
Polk County16% of this ZIP code's land area
Dallas County6.6% of this ZIP code's land area
Time zoneCentral (UTC-06:00 standard)
Daylight saving timeObserved
Land area88.49 sq mi
Water area1.71 sq mi
Population density50 people per sq mi
Latitude, longitude41.8841, -93.8448

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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