Postal Codes

50258 ZIP Code

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ZIP code 50258 covers Union, Iowa, with a population of about 989 and a median household income of $82,865.

Population
98918 per square mile
Median age
50.411.7 points above the US average
Median household income
$82,8651.1× the Iowa median
Poverty rate
11.3%1.1 points below the US average
Typical home value
$200,886
Median rent
$82513% below the Iowa median
Degree or higher
36.7%1.7 points above the US average
Homeownership
81.4%16.4 points above the US average
Time zone
Central UTC-06:00observes daylight saving time
Businesses
18

Where 50258 is

Union, 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

Population989
Median age50.4
Family households69.2%
Born outside the US4.3%
Speaks a language other than English at home0%
White (non-Hispanic)96.4%
Black (non-Hispanic)0%
Asian (non-Hispanic)2.6%
Hispanic or Latino0.2%
Veterans12.9%
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$82,865
Income per person$35,831
Poverty rate11.3%
Households on SNAP or cash assistance13.2%

Household income distribution

Under $10k3.2%
$10–15k1.2%
$15–20k1.0%
$20–25k3.0%
$25–30k10.4%
$30–35k1.2%
$35–40k3.2%
$40–45k3.0%
$45–50k4.0%
$50–60k8.2%
$60–75k3.2%
$75–100k20.6%
$100–125k20.6%
$125–150k4.2%
$150–200k9.2%
$200k or more3.7%

Income as declared to the IRS

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

Tax returns filed340
Mean adjusted gross income$68,756
Returns declaring $200,000 or more0%
Returns, under $25k26.5%
Returns, $25k–$50k20.6%
Returns, $50k–$75k20.6%
Returns, $75k–$100k11.8%
Returns, $100k–$200k20.6%
Returns, $200k or more0.0%
Housing

American Community Survey 2019–2023 five-year estimates

Median gross rent$825
Rent as a share of household income32.5%
Owner-occupied81.4%
Vacant homes11%
Median year built1963

What the homes are

Detached house94.3%
2 to 4 units3.1%
Mobile home2.6%
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$200,886as of 2026-07
Typical home value, 1 yearup 8.1%
Typical home value since 2000
202220242026$200,886$185,860

$194,352 in 2022 to $200,886 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate0.9%
Bachelor's degree or higher36.7%
High school diploma or higher98.9%
Works from home11.6%
Drives to work alone74.5%
Takes public transport0%
Commutes 45 minutes or more3.4%
Health

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

Obesity39.1% 5.7 pts above the national average of 33.4%
Diagnosed diabetes13.5% 1.5 pts above the national average of 12%
Currently smokes15.6% 2.4 pts above the national average of 13.2%
High blood pressure40.7% 6.6 pts above the national average of 34.1%
Fair or poor general health18.5% 1.8 pts below the national average of 20.3%
No health insurance (18–64)5.8% 5.5 pts below the national average of 11.3%
Depression19.6% 2.3 pts below the national average of 21.9%
No leisure-time physical activity25.8% same as the national average of 25.4%
Arthritis32.2% 7.1 pts above the national average of 25.1%
Binge drinking18.6% 2.6 pts above the national average of 16%
Taking blood pressure medication81.9% 7.2 pts above the national average of 74.7%
Cancer (non-skin)11.4% 3.7 pts above the national average of 7.7%
Current asthma9.8% 0.6 pts below the national average of 10.4%
Coronary heart disease8.6% 2.4 pts above the national average of 6.2%
Routine check-up in past year80.7% 4 pts above the national average of 76.7%
Cholesterol screening88.2% 2.3 pts above the national average of 85.9%
Cognitive disability12.5% 2.3 pts below the national average of 14.8%
Colorectal screening66% 1.7 pts above the national average of 64.3%
COPD8.3% 1.7 pts above the national average of 6.6%
Visited a dentist67% 5.7 pts above the national average of 61.3%
Any disability29.1% 1.6 pts below the national average of 30.7%
Lacks emotional support21.4% 3.4 pts below the national average of 24.8%
Food insecurity9.8% 7.3 pts below the national average of 17.1%
Received food stamps8.5% 5.8 pts below the national average of 14.3%
Hearing disability9.4% 2.7 pts above the national average of 6.7%
High cholesterol39.2% 3 pts above the national average of 36.2%
Housing insecurity7.6% 6.2 pts below the national average of 13.8%
Independent living disability7.4% 1 pts below the national average of 8.4%
Lacks transport5.7% 3.5 pts below the national average of 9.2%
Loneliness29% 5.4 pts below the national average of 34.4%
Mammography use77.1% 1.2 pts above the national average of 75.9%
Poor mental health (14+ days)14.8% 2 pts below the national average of 16.8%
Mobility disability15% 1 pts above the national average of 14%
Poor physical health (14+ days)13.8% same as the national average of 13.5%
Self-care disability3.8% same as the national average of 4%
Utility shut-off threat5.5% 3.3 pts below the national average of 8.8%
Sleeps under 7 hours30.5% 5.9 pts below the national average of 36.4%
Stroke4.1% 0.7 pts above the national average of 3.4%
All natural teeth lost12.5% 0.5 pts below the national average of 13%
Vision disability4.4% 1.2 pts below the national average of 5.6%
Business and employment

Census ZIP Code Business Patterns 2022

Business establishments18
People employed129
Annual payroll$6,421,000
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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 91.6% of US census tracts
FEMA ratingRelatively High
Expected annual loss94.6 out of 100
Community resilience66.6 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.

Drought99.3Relatively High at its worst in this ZIP code
Hail97.7Very High at its worst in this ZIP code
Strong wind97Very High at its worst in this ZIP code
Tornado93.4Very High at its worst in this ZIP code
Winter weather93.3Relatively High at its worst in this ZIP code
Cold wave86.8Relatively High at its worst in this ZIP code
Landslide82.8Relatively Low at its worst in this ZIP code
Wildfire79.7Relatively Low at its worst in this ZIP code
River flooding76.6Relatively High at its worst in this ZIP code
Ice storm67Relatively Moderate at its worst in this ZIP code
Hurricane37.1Very Low at its worst in this ZIP code
Lightning30.9Relatively Low at its worst in this ZIP code
Earthquake16.9Very Low at its worst in this ZIP code
Heat wave3.8Very 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$82,865$73,147$78,538
Income per person$35,831$39,728$43,289
Poverty rate11.3%11%12.4%
Median home value$195,900$303,400
Median gross rent$825$949$1,348
Homeownership81.4%71.5%65%
Bachelor's degree or higher36.7%30.9%35%
Unemployment rate0.9%3.6%5.2%
Works from home11.6%10.4%13.5%
Born outside the US4.3%5.7%13.9%
Median age50.438.638.7
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 stationELDORA, IA US13 km away
Rain in a year38 in
Snow in a year33 in

Average high and low by month

January25.8°F / 8.4°F1.06 in rain, 8.1 in snow
February30.7°F / 12.6°F1.21 in rain, 8.8 in snow
March44.1°F / 24.1°F2.09 in rain, 4 in snow
April58.7°F / 35.3°F3.95 in rain, 1.4 in snow
May70.4°F / 48°F5.21 in rain, 0.4 in snow
June80.3°F / 58.6°F5.88 in rain
July83.5°F / 61.9°F4.06 in rain
August81.5°F / 59.4°F4.53 in rain
September75.5°F / 50.5°F3.56 in rain
October61.7°F / 38.2°F2.8 in rain, 0.3 in snow
November45°F / 25.8°F1.88 in rain, 1.8 in snow
December31.6°F / 15°F1.62 in rain, 8.4 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 3 school districts, so the address decides which one, not the ZIP code.

BCLUW Community School District78.1% of this ZIP code's land area
Eldora-New Providence Community School District20% of this ZIP code's land area
West Marshall Community School District1.9% 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 status22more vulnerable than 22% of US census tracts
Household characteristics24more vulnerable than 24% of US census tracts
Racial and ethnic minority status6more vulnerable than 6% of US census tracts
Housing type and transport69more vulnerable than 69% of US census tracts
Walkability5.2 out of 20Least walkable
Nearby ZIP codes

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

50269 Whitten, IA3.6 km away
50148 Liscomb, IA9.7 km away
50206 New Providence, IA10 km away
50627 Eldora, IA12.3 km away
50621 Conrad, IA14.1 km away
50239 Saint Anthony, IA15.2 km away
50005 Albion, IA16.3 km away
50672 Steamboat Rock, IA18.4 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.

Hardin County71.4% of this ZIP code's land area
Marshall County28.6% of this ZIP code's land area
Time zoneCentral (UTC-06:00 standard)
Daylight saving timeObserved
Land area53.97 sq mi
Water area0.18 sq mi
Population density18 people per sq mi
Latitude, longitude42.2521, -93.0562

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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