Postal Codes

61251 ZIP Code

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ZIP code 61251 covers Fenton, Illinois, with a population of about 336 and a median household income of $75,000.

Population
33619 per square mile
Median age
40.41.7 points above the US average
Median household income
$75,0008% below the Illinois median
Poverty rate
9.2%3.2 points below the US average
Typical home value
$244,357
Degree or higher
0%35 points below the US average
Homeownership
88.3%23.3 points above the US average
Time zone
Central UTC-06:00observes daylight saving time
Businesses
3

Where 61251 is

Fenton, Illinois — 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

Population336
Median age40.4
Family households47.4%
Born outside the US0%
Speaks a language other than English at home0%
White (non-Hispanic)92.3%
Black (non-Hispanic)0%
Asian (non-Hispanic)0%
Hispanic or Latino0%
Veterans5.9%
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$75,000
Income per person$32,088
Poverty rate9.2%
Households on SNAP or cash assistance0%

Household income distribution

Under $10k20.1%
$10–15k0.0%
$15–20k0.0%
$20–25k0.0%
$25–30k0.0%
$30–35k7.8%
$35–40k6.5%
$40–45k0.0%
$45–50k0.0%
$50–60k7.8%
$60–75k7.8%
$75–100k19.5%
$100–125k26.6%
$125–150k0.0%
$150–200k3.9%
$200k or more0.0%

Income as declared to the IRS

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

Tax returns filed180
Mean adjusted gross income$84,306
Returns declaring $200,000 or more0%
Returns, under $25k22.2%
Returns, $25k–$50k16.7%
Returns, $50k–$75k11.1%
Returns, $75k–$100k16.7%
Returns, $100k–$200k33.3%
Returns, $200k or more0.0%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$187,100
Owner-occupied88.3%
Vacant homes0%
Median year built1955

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$244,357as of 2026-07
Typical home value, 1 yearup 10.9%
Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate11.7%
Bachelor's degree or higher0%
High school diploma or higher97.8%
Works from home0%
Drives to work alone100%
Takes public transport0%
Commutes 45 minutes or more33.3%
Health

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

Obesity34.6% 1.2 pts above the national average of 33.4%
Diagnosed diabetes11% 1 pts below the national average of 12%
Currently smokes14.9% 1.7 pts above the national average of 13.2%
High blood pressure34.4% same as the national average of 34.1%
Fair or poor general health17.5% 2.8 pts below the national average of 20.3%
No health insurance (18–64)7.1% 4.2 pts below the national average of 11.3%
Depression21% 0.9 pts below the national average of 21.9%
No leisure-time physical activity21.3% 4.1 pts below the national average of 25.4%
Arthritis26.6% 1.5 pts above the national average of 25.1%
Binge drinking20.5% 4.5 pts above the national average of 16%
Taking blood pressure medication75.6% 0.9 pts above the national average of 74.7%
Cancer (non-skin)8.8% 1.1 pts above the national average of 7.7%
Current asthma9.6% 0.8 pts below the national average of 10.4%
Coronary heart disease6.7% 0.5 pts above the national average of 6.2%
Routine check-up in past year76.5% same as the national average of 76.7%
Cholesterol screening86.3% same as the national average of 85.9%
Cognitive disability12.9% 1.9 pts below the national average of 14.8%
Colorectal screening71.7% 7.4 pts above the national average of 64.3%
COPD7.1% 0.5 pts above the national average of 6.6%
Visited a dentist64.8% 3.5 pts above the national average of 61.3%
Any disability28.2% 2.5 pts below the national average of 30.7%
Lacks emotional support24.7% same as the national average of 24.8%
Food insecurity11% 6.1 pts below the national average of 17.1%
Received food stamps10.1% 4.2 pts below the national average of 14.3%
Hearing disability7.3% 0.6 pts above the national average of 6.7%
High cholesterol37.2% 1 pts above the national average of 36.2%
Housing insecurity9.3% 4.5 pts below the national average of 13.8%
Independent living disability7.2% 1.2 pts below the national average of 8.4%
Lacks transport6.3% 2.9 pts below the national average of 9.2%
Loneliness31.3% 3.1 pts below the national average of 34.4%
Mammography use72% 3.9 pts below the national average of 75.9%
Poor mental health (14+ days)16.4% same as the national average of 16.8%
Mobility disability12.3% 1.7 pts below the national average of 14%
Poor physical health (14+ days)12.9% 0.6 pts below the national average of 13.5%
Self-care disability3.3% 0.7 pts below the national average of 4%
Utility shut-off threat5.9% 2.9 pts below the national average of 8.8%
Sleeps under 7 hours34.9% 1.5 pts below the national average of 36.4%
Stroke3.3% same as the national average of 3.4%
All natural teeth lost11% 2 pts below the national average of 13%
Vision disability4% 1.6 pts below the national average of 5.6%
Business and employment

Census ZIP Code Business Patterns 2022

Business establishments3
People employed14
Annual payroll$530,000
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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 59.8% of US census tracts
FEMA ratingRelatively Moderate
Expected annual loss65.8 out of 100
Community resilience73.9 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.

Drought97.5Relatively Moderate at its worst in this ZIP code
Strong wind92.1Relatively High at its worst in this ZIP code
Hail89.2Relatively High at its worst in this ZIP code
Landslide88.1Relatively Low at its worst in this ZIP code
Cold wave82.1Relatively High at its worst in this ZIP code
Winter weather77.3Relatively Moderate at its worst in this ZIP code
Tornado77.1Relatively High at its worst in this ZIP code
Ice storm76.8Relatively Moderate at its worst in this ZIP code
River flooding61.4Relatively Moderate at its worst in this ZIP code
Lightning58.9Relatively Moderate at its worst in this ZIP code
Wildfire51Very Low at its worst in this ZIP code
Earthquake50.3Relatively Low at its worst in this ZIP code
Heat wave34.6Relatively Low at its worst in this ZIP code
Hurricane31Very Low at its worst in this ZIP code
Compared with Illinois 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 ZIPIllinoisUnited States
Median household income$75,000$81,702$78,538
Income per person$32,088$45,104$43,289
Poverty rate9.2%11.7%12.4%
Median home value$187,100$250,500$303,400
Median gross rent$1,227$1,348
Homeownership88.3%66.8%65%
Bachelor's degree or higher0%37.2%35%
Unemployment rate11.7%5.8%5.2%
Works from home0%14%13.5%
Born outside the US0%14.4%13.9%
Median age40.438.938.7
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 stationMORRISON, IL US9.8 km away
Rain in a year38 in
Snow in a year32 in

Average high and low by month

January28.9°F / 12°F1.51 in rain, 10.4 in snow
February33.6°F / 15.7°F1.65 in rain, 7.6 in snow
March46.2°F / 26.7°F2.53 in rain, 3.6 in snow
April59.5°F / 36.9°F3.84 in rain, 0.8 in snow
May70.8°F / 48.8°F4.73 in rain
June79.9°F / 58.6°F4.93 in rain
July83.1°F / 62°F4.16 in rain
August81.1°F / 59.7°F4.32 in rain
September75°F / 51.2°F3.35 in rain
October62.2°F / 39.4°F2.77 in rain, 0.1 in snow
November47.2°F / 28.4°F2.47 in rain, 2.7 in snow
December34.5°F / 18.3°F2.02 in rain, 6.3 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 2 school districts, so the address decides which one, not the ZIP code.

Erie Community Unit School District 194.2% of this ZIP code's land area
Morrison Community Unit School District 65.2% 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 vulnerability23more vulnerable than 23% of US census tracts
Socioeconomic status40more vulnerable than 40% of US census tracts
Household characteristics47more vulnerable than 47% of US census tracts
Racial and ethnic minority status13more vulnerable than 13% of US census tracts
Housing type and transport12more vulnerable than 12% of US census tracts
Walkability4.4 out of 20Least walkable
Nearby ZIP codes

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

61250 Erie, IL8.7 km away
61261 Lyndon, IL10.7 km away
61270 Morrison, IL11.7 km away
61277 Prophetstown, IL13.6 km away
61230 Albany, IL14.1 km away
61252 Fulton, IL16.3 km away
52734 Clinton, IA17.5 km away
52733 Clinton, IA17.5 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.

Whiteside County100% of this ZIP code's land area
Time zoneCentral (UTC-06:00 standard)
Daylight saving timeObserved
Land area17.56 sq mi
Population density19 people per sq mi
Latitude, longitude41.7285, -90.0457

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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