Postal Codes

51340 ZIP Code

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ZIP code 51340 covers Fostoria, Iowa, with a population of about 80.

Population
80669 per square mile
Median age
52.814.1 points above the US average
Poverty rate
0%12.4 points below the US average
Typical home value
$151,731
Degree or higher
33.3%1.7 points below the US average
Homeownership
100%35 points above the US average
Time zone
Central UTC-06:00observes daylight saving time
Businesses
4

Where 51340 is

Fostoria, Iowa — the point the Postal Service gives for this ZIP code. A ZIP code is a set of delivery routes rather than an area, so this marks its centre, not its boundary.

People and households

American Community Survey 2019–2023 five-year estimates

Population80
Median age52.8
Family households47.8%
Born outside the US0%
Speaks a language other than English at home0%
White (non-Hispanic)92.5%
Black (non-Hispanic)2.5%
Asian (non-Hispanic)0%
Hispanic or Latino0%
Veterans2.7%
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

Income per person$50,875
Poverty rate0%
Households on SNAP or cash assistance0%

Household income distribution

Under $10k0.0%
$10–15k0.0%
$15–20k2.2%
$20–25k0.0%
$25–30k2.2%
$30–35k2.2%
$35–40k0.0%
$40–45k4.3%
$45–50k32.6%
$50–60k0.0%
$60–75k0.0%
$75–100k17.4%
$100–125k15.2%
$125–150k15.2%
$150–200k8.7%
$200k or more0.0%
Housing

American Community Survey 2019–2023 five-year estimates

Owner-occupied100%
Vacant homes0%
Median year built1949

What the homes are

Detached house100%
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$151,731as of 2026-07
Typical home value, 1 yearup 4.5%
Typical home value since 2000
202220242026$151,731$131,900

$133,689 in 2022 to $151,731 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate0%
Bachelor's degree or higher33.3%
High school diploma or higher91.7%
Works from home0%
Drives to work alone80.3%
Takes public transport0%
Commutes 45 minutes or more0%
Health

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

Obesity34.7% 1.3 pts above the national average of 33.4%
Diagnosed diabetes12.9% 0.9 pts above the national average of 12%
Currently smokes14.5% 1.3 pts above the national average of 13.2%
High blood pressure38.5% 4.4 pts above the national average of 34.1%
Fair or poor general health18.8% 1.5 pts below the national average of 20.3%
No health insurance (18–64)6.3% 5 pts below the national average of 11.3%
Depression19.7% 2.2 pts below the national average of 21.9%
No leisure-time physical activity27.9% 2.5 pts above the national average of 25.4%
Arthritis32.6% 7.5 pts above the national average of 25.1%
Binge drinking17.4% 1.4 pts above the national average of 16%
Taking blood pressure medication82% 7.3 pts above the national average of 74.7%
Cancer (non-skin)11.1% 3.4 pts above the national average of 7.7%
Current asthma10.4% same as the national average of 10.4%
Coronary heart disease7.8% 1.6 pts above the national average of 6.2%
Routine check-up in past year80% 3.3 pts above the national average of 76.7%
Cholesterol screening87% 1.1 pts above the national average of 85.9%
Cognitive disability13.1% 1.7 pts below the national average of 14.8%
Colorectal screening72.3% 8 pts above the national average of 64.3%
COPD8.3% 1.7 pts above the national average of 6.6%
Visited a dentist67.7% 6.4 pts above the national average of 61.3%
Any disability31.3% 0.6 pts above the national average of 30.7%
Lacks emotional support23.3% 1.5 pts below the national average of 24.8%
Food insecurity11% 6.1 pts below the national average of 17.1%
Received food stamps9.2% 5.1 pts below the national average of 14.3%
Hearing disability9% 2.3 pts above the national average of 6.7%
High cholesterol37.2% 1 pts above the national average of 36.2%
Housing insecurity8.3% 5.5 pts below the national average of 13.8%
Independent living disability8.2% same as the national average of 8.4%
Lacks transport6.2% 3 pts below the national average of 9.2%
Loneliness31.7% 2.7 pts below the national average of 34.4%
Mammography use77.9% 2 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 disability16.5% 2.5 pts above the national average of 14%
Poor physical health (14+ days)14.3% 0.8 pts above the national average of 13.5%
Self-care disability3.9% 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 hours30.8% 5.6 pts below the national average of 36.4%
Stroke4.1% 0.7 pts above the national average of 3.4%
All natural teeth lost11.5% 1.5 pts below the national average of 13%
Vision disability4.9% 0.7 pts below the national average of 5.6%
Business and employment

Census ZIP Code Business Patterns 2022

Business establishments4
People employed19
Annual payroll$1,234,000
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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 88.4% of US census tracts
FEMA ratingRelatively High
Expected annual loss90.5 out of 100
Community resilience60.9 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.

Hail99.2Very High at its worst in this ZIP code
Drought97.6Relatively Moderate at its worst in this ZIP code
Winter weather97.5Very High at its worst in this ZIP code
River flooding92.7Relatively High at its worst in this ZIP code
Strong wind92.3Relatively High at its worst in this ZIP code
Tornado92.1Relatively High at its worst in this ZIP code
Landslide88.1Relatively Low at its worst in this ZIP code
Cold wave86.2Relatively High at its worst in this ZIP code
Wildfire80.1Relatively Low at its worst in this ZIP code
Ice storm79.8Relatively Moderate at its worst in this ZIP code
Lightning45.5Relatively Low at its worst in this ZIP code
Heat wave15.1Very Low at its worst in this ZIP code
Earthquake14.7Very 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$73,147$78,538
Income per person$50,875$39,728$43,289
Poverty rate0%11%12.4%
Median home value$195,900$303,400
Median gross rent$949$1,348
Homeownership100%71.5%65%
Bachelor's degree or higher33.3%30.9%35%
Unemployment rate0%3.6%5.2%
Works from home0%10.4%13.5%
Born outside the US0%5.7%13.9%
Median age52.838.638.7
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 stationSPENCER 1 N, IA US9.2 km away
Rain in a year31 in
Snow in a year43 in

Average high and low by month

January25.1°F / 7°F0.72 in rain, 9.8 in snow
February29.8°F / 11.4°F0.79 in rain, 8.9 in snow
March43°F / 23.7°F1.66 in rain, 5.9 in snow
April57.7°F / 34.9°F3.49 in rain, 3 in snow
May69.9°F / 47.4°F4.19 in rain, 0.1 in snow
June80.3°F / 58.3°F4.6 in rain
July83.7°F / 61.8°F3.74 in rain
August81°F / 59°F3.77 in rain
September74.6°F / 50.2°F3.29 in rain
October60.2°F / 37.3°F2.35 in rain, 0.7 in snow
November43.6°F / 23.9°F1.41 in rain, 5.3 in snow
December30°F / 12.7°F0.98 in rain, 9.6 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%.

Okoboji Community School District100% 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 vulnerability16more vulnerable than 16% of US census tracts
Socioeconomic status18more vulnerable than 18% of US census tracts
Household characteristics48more vulnerable than 48% of US census tracts
Racial and ethnic minority status11more vulnerable than 11% of US census tracts
Housing type and transport18more vulnerable than 18% of US census tracts
Walkability5.5 out of 20Least walkable
Nearby ZIP codes

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

51301 Spencer, IA7 km away
51343 Greenville, IA9.3 km away
51357 Royal, IA10.2 km away
51341 Gillett Grove, IA11.5 km away
51333 Dickens, IA15.7 km away
51338 Everly, IA16.4 km away
51366 Webb, IA19.4 km away
50585 Sioux Rapids, IA19.6 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.

Clay County100% of this ZIP code's land area
Time zoneCentral (UTC-06:00 standard)
Daylight saving timeObserved
Land area0.12 sq mi
Population density669 people per sq mi
Latitude, longitude43.0824, -95.1511

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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