Postal Codes

50674 ZIP Code

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ZIP code 50674 covers Sumner, Iowa, with a population of about 3,596 and a median household income of $63,429.

Population
3,59623 per square mile
Median age
46.98.2 points above the US average
Median household income
$63,42913% below the Iowa median
Poverty rate
9.3%3.1 points below the US average
Typical home value
$214,134up 28.2% in five years
Median rent
$83912% below the Iowa median
Degree or higher
21.4%13.6 points below the US average
Homeownership
80%15 points above the US average
Time zone
Central UTC-06:00observes daylight saving time
Businesses
87

Where 50674 is

Sumner, 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

Population3,596
Median age46.9
Family households62.1%
Born outside the US0.4%
Speaks a language other than English at home0.9%
White (non-Hispanic)96.1%
Black (non-Hispanic)0.8%
Asian (non-Hispanic)0%
Hispanic or Latino0.8%
Veterans7.9%
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$63,429
Income per person$37,130
Poverty rate9.3%
Households on SNAP or cash assistance6.1%

Household income distribution

Under $10k2.6%
$10–15k3.6%
$15–20k4.6%
$20–25k3.9%
$25–30k3.2%
$30–35k3.0%
$35–40k3.3%
$40–45k3.0%
$45–50k5.7%
$50–60k15.4%
$60–75k10.4%
$75–100k13.1%
$100–125k9.7%
$125–150k8.6%
$150–200k4.9%
$200k or more4.9%

Income as declared to the IRS

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

Tax returns filed1,640
Mean adjusted gross income$71,632
Returns declaring $200,000 or more4.3%
Returns, under $25k23.8%
Returns, $25k–$50k23.2%
Returns, $50k–$75k17.7%
Returns, $75k–$100k12.2%
Returns, $100k–$200k18.9%
Returns, $200k or more4.3%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$156,300
Median gross rent$839
Rent as a share of household income20.3%
Owner-occupied80%
Vacant homes7%
Median year built1938

What the homes are

Detached house84.7%
Attached house1.9%
2 to 4 units8.2%
5 to 19 units4%
Mobile home1.3%
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$214,134as of 2026-07
Typical home value, 1 yearup 1.3%
Typical home value, 5 yearsup 28.2%
Typical home value, 10 yearsup 55.3%
Typical home value since 2000
200920172026$214,134$115,559

$116,946 in 2009 to $214,134 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate4.6%
Bachelor's degree or higher21.4%
High school diploma or higher95.5%
Works from home9.1%
Drives to work alone79.1%
Takes public transport0%
Commutes 45 minutes or more11.4%
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 smokes15.7% 2.5 pts above the national average of 13.2%
High blood pressure39.2% 5.1 pts above the national average of 34.1%
Fair or poor general health18.9% 1.4 pts below the national average of 20.3%
No health insurance (18–64)6.5% 4.8 pts below the national average of 11.3%
Depression19.6% 2.3 pts below the national average of 21.9%
No leisure-time physical activity26.6% 1.2 pts above the national average of 25.4%
Arthritis31.8% 6.7 pts above the national average of 25.1%
Binge drinking19% 3 pts above the national average of 16%
Taking blood pressure medication81.5% 6.8 pts above the national average of 74.7%
Cancer (non-skin)11.1% 3.4 pts above the national average of 7.7%
Current asthma9.9% 0.5 pts below the national average of 10.4%
Coronary heart disease8.2% 2 pts above the national average of 6.2%
Routine check-up in past year79.7% 3 pts above the national average of 76.7%
Cholesterol screening86.7% 0.8 pts above the national average of 85.9%
Cognitive disability13.1% 1.7 pts below the national average of 14.8%
Colorectal screening69.5% 5.2 pts above the national average of 64.3%
COPD8.3% 1.7 pts above the national average of 6.6%
Visited a dentist67.9% 6.6 pts above the national average of 61.3%
Any disability29.5% 1.2 pts below the national average of 30.7%
Lacks emotional support22.1% 2.7 pts below the national average of 24.8%
Food insecurity10.6% 6.5 pts below the national average of 17.1%
Received food stamps9.1% 5.2 pts below the national average of 14.3%
Hearing disability9.2% 2.5 pts above the national average of 6.7%
High cholesterol37.9% 1.7 pts above the national average of 36.2%
Housing insecurity8.1% 5.7 pts below the national average of 13.8%
Independent living disability7.8% 0.6 pts below the national average of 8.4%
Lacks transport6.1% 3.1 pts below the national average of 9.2%
Loneliness29.5% 4.9 pts below the national average of 34.4%
Mammography use79.5% 3.6 pts above the national average of 75.9%
Poor mental health (14+ days)15.4% 1.4 pts below the national average of 16.8%
Mobility disability14.9% 0.9 pts above the national average of 14%
Poor physical health (14+ days)13.9% same as the national average of 13.5%
Self-care disability3.8% same as the national average of 4%
Utility shut-off threat5.7% 3.1 pts below the national average of 8.8%
Sleeps under 7 hours32.7% 3.7 pts below the national average of 36.4%
Stroke4% 0.6 pts above the national average of 3.4%
All natural teeth lost13.6% 0.6 pts above the national average of 13%
Vision disability4.5% 1.1 pts below the national average of 5.6%
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Business and employment

Census ZIP Code Business Patterns 2022

Business establishments87
People employed1,004
Annual payroll$43,951,000
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 74.9% of US census tracts
FEMA ratingRelatively Low to Relatively High across the 7 census tracts this ZIP code covers
Expected annual loss81.3 out of 100
Community resilience85.2 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.

Drought98.5Relatively High at its worst in this ZIP code
Hail94.6Relatively High at its worst in this ZIP code
Strong wind91.7Very High at its worst in this ZIP code
Winter weather84.4Relatively High at its worst in this ZIP code
Cold wave81.2Relatively High at its worst in this ZIP code
Tornado80.2Very High at its worst in this ZIP code
River flooding74.1Relatively High at its worst in this ZIP code
Wildfire70.1Relatively Low at its worst in this ZIP code
Landslide69.8Relatively Low at its worst in this ZIP code
Ice storm55.5Relatively Moderate at its worst in this ZIP code
Lightning33.1Relatively Moderate at its worst in this ZIP code
Hurricane31.7Very Low at its worst in this ZIP code
Heat wave22.1Relatively Low at its worst in this ZIP code
Earthquake11Very 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$63,429$73,147$78,538
Income per person$37,130$39,728$43,289
Poverty rate9.3%11%12.4%
Median home value$156,300$195,900$303,400
Median gross rent$839$949$1,348
Homeownership80%71.5%65%
Bachelor's degree or higher21.4%30.9%35%
Unemployment rate4.6%3.6%5.2%
Works from home9.1%10.4%13.5%
Born outside the US0.4%5.7%13.9%
Median age46.938.638.7
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 stationTRIPOLI, IA US11.8 km away
Rain in a year39 in

Average high and low by month

January24.8°F / 7.3°F1.23 in rain
February29.2°F / 11.5°F1.09 in rain
March42.8°F / 24°F2 in rain
April57.6°F / 35.6°F3.93 in rain
May70°F / 47.9°F5.11 in rain
June79.6°F / 58.6°F6.03 in rain
July82.8°F / 61.6°F4.8 in rain
August80.9°F / 59°F4.29 in rain
September74.5°F / 50.3°F3.75 in rain
October61°F / 38.2°F2.96 in rain
November44.3°F / 25.6°F1.98 in rain
December30.9°F / 14.6°F1.47 in rain
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.

Sumner-Fredericksburg Community School District78.1% of this ZIP code's land area
Tripoli Community School District11.1% of this ZIP code's land area
Wapsie Valley Community School District6.3% of this ZIP code's land area
North Fayette Valley Community School District2.8% of this ZIP code's land area
West Central Community School District1.7% 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 vulnerability7more vulnerable than 7% of US census tracts
Socioeconomic status21more vulnerable than 21% of US census tracts
Household characteristics19more vulnerable than 19% of US census tracts
Racial and ethnic minority status3more vulnerable than 3% of US census tracts
Housing type and transport12more vulnerable than 12% of US census tracts
Walkability4.6 out of 20Least walkable
Nearby ZIP codes

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

50681 Westgate, IA11 km away
50676 Tripoli, IA12.5 km away
50630 Fredericksburg, IA14.6 km away
50631 Frederika, IA16 km away
50664 Oran, IA16 km away
52147 Hawkeye, IA17.7 km away
50668 Readlyn, IA18.4 km away
52164 Randalia, IA19.2 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.

Bremer County61.5% of this ZIP code's land area
Fayette County32.5% of this ZIP code's land area
Chickasaw County6% of this ZIP code's land area
Time zoneCentral (UTC-06:00 standard)
Daylight saving timeObserved
Land area158.93 sq mi
Water area1.42 sq mi
Population density23 people per sq mi
Latitude, longitude42.8419, -92.1186

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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