Postal Codes

61531 ZIP Code

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ZIP code 61531 covers Farmington, Illinois, with a population of about 3,018 and a median household income of $64,875.

Population
3,01854 per square mile
Median age
39.40.7 points above the US average
Median household income
$64,87521% below the Illinois median
Poverty rate
6.6%5.8 points below the US average
Typical home value
$132,410up 13.1% in five years
Median rent
$87729% below the Illinois median
Degree or higher
28.3%6.7 points below the US average
Homeownership
80.2%15.2 points above the US average
Time zone
Central UTC-06:00observes daylight saving time
Businesses
53

Where 61531 is

Farmington, 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

Population3,018
Median age39.4
Family households64%
Born outside the US0.4%
Speaks a language other than English at home0.5%
White (non-Hispanic)97%
Black (non-Hispanic)0.4%
Asian (non-Hispanic)0.1%
Hispanic or Latino0.9%
Veterans5.2%
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$64,875
Income per person$34,291
Poverty rate6.6%
Households on SNAP or cash assistance13.2%

Household income distribution

Under $10k3.9%
$10–15k1.7%
$15–20k3.0%
$20–25k4.3%
$25–30k2.3%
$30–35k2.7%
$35–40k2.9%
$40–45k7.2%
$45–50k6.5%
$50–60k9.0%
$60–75k15.0%
$75–100k11.0%
$100–125k9.2%
$125–150k8.2%
$150–200k10.6%
$200k or more2.6%

Income as declared to the IRS

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

Tax returns filed1,510
Mean adjusted gross income$66,205
Returns declaring $200,000 or more3.3%
Returns, under $25k28.5%
Returns, $25k–$50k22.5%
Returns, $50k–$75k16.6%
Returns, $75k–$100k11.3%
Returns, $100k–$200k17.9%
Returns, $200k or more3.3%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$113,100
Median gross rent$877
Rent as a share of household income23.9%
Owner-occupied80.2%
Vacant homes13.6%
Median year built1953

What the homes are

Detached house89%
Attached house0.4%
2 to 4 units6%
5 to 19 units0.4%
20 or more units0.9%
Mobile home3.3%
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$132,410as of 2026-07
Typical home value, 1 yearup 4.4%
Typical home value, 5 yearsup 13.1%
Typical home value, 10 yearsup 43.4%
Typical home value since 2000
200920172026$132,410$84,992

$114,790 in 2009 to $132,410 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate6%
Bachelor's degree or higher28.3%
High school diploma or higher96.2%
Works from home2.9%
Drives to work alone86.9%
Takes public transport0%
Commutes 45 minutes or more15.4%
Health

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

Obesity37.7% 4.3 pts above the national average of 33.4%
Diagnosed diabetes11.9% same as the national average of 12%
Currently smokes14.6% 1.4 pts above the national average of 13.2%
High blood pressure37.3% 3.2 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)7.1% 4.2 pts below the national average of 11.3%
Depression23.3% 1.4 pts above the national average of 21.9%
No leisure-time physical activity23.4% 2 pts below the national average of 25.4%
Arthritis29.9% 4.8 pts above the national average of 25.1%
Binge drinking18% 2 pts above the national average of 16%
Taking blood pressure medication77.8% 3.1 pts above the national average of 74.7%
Cancer (non-skin)10% 2.3 pts above the national average of 7.7%
Current asthma10.5% same as the national average of 10.4%
Coronary heart disease7.4% 1.2 pts above the national average of 6.2%
Routine check-up in past year78.7% 2 pts above the national average of 76.7%
Cholesterol screening87% 1.1 pts above the national average of 85.9%
Cognitive disability13.6% 1.2 pts below the national average of 14.8%
Colorectal screening62.5% 1.8 pts below the national average of 64.3%
COPD8.3% 1.7 pts above the national average of 6.6%
Visited a dentist62.8% 1.5 pts above the national average of 61.3%
Any disability31.3% 0.6 pts above the national average of 30.7%
Lacks emotional support22.7% 2.1 pts below the national average of 24.8%
Food insecurity12.6% 4.5 pts below the national average of 17.1%
Received food stamps12.2% 2.1 pts below the national average of 14.3%
Hearing disability8% 1.3 pts above the national average of 6.7%
High cholesterol38.1% 1.9 pts above the national average of 36.2%
Housing insecurity10% 3.8 pts below the national average of 13.8%
Independent living disability8.5% same as the national average of 8.4%
Lacks transport6.9% 2.3 pts below the national average of 9.2%
Loneliness32.2% 2.2 pts below the national average of 34.4%
Mammography use70% 5.9 pts below the national average of 75.9%
Poor mental health (14+ days)17.1% same as the national average of 16.8%
Mobility disability14.8% 0.8 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 threat6.6% 2.2 pts below the national average of 8.8%
Sleeps under 7 hours35.7% 0.7 pts below the national average of 36.4%
Stroke3.8% same as the national average of 3.4%
All natural teeth lost10.9% 2.1 pts below the national average of 13%
Vision disability4.7% 0.9 pts below the national average of 5.6%
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Business and employment

Census ZIP Code Business Patterns 2022

Business establishments53
People employed608
Annual payroll$23,136,000
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 67.7% of US census tracts
FEMA ratingRelatively Low to Relatively Moderate across the 4 census tracts this ZIP code covers
Expected annual loss66.9 out of 100
Community resilience68.4 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.

Drought94.5Relatively Moderate at its worst in this ZIP code
Strong wind94.5Very High at its worst in this ZIP code
Hail93.1Relatively High at its worst in this ZIP code
Landslide91.3Relatively Moderate at its worst in this ZIP code
Cold wave88.6Very High at its worst in this ZIP code
Ice storm86.6Relatively Moderate at its worst in this ZIP code
Tornado83.2Relatively High at its worst in this ZIP code
Heat wave81.1Relatively Moderate at its worst in this ZIP code
Winter weather72.1Relatively Moderate at its worst in this ZIP code
Lightning68.5Relatively High at its worst in this ZIP code
Earthquake68.2Relatively Moderate at its worst in this ZIP code
River flooding58.6Relatively High at its worst in this ZIP code
Wildfire48.2Very Low at its worst in this ZIP code
Hurricane35.7Very 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$64,875$81,702$78,538
Income per person$34,291$45,104$43,289
Poverty rate6.6%11.7%12.4%
Median home value$113,100$250,500$303,400
Median gross rent$877$1,227$1,348
Homeownership80.2%66.8%65%
Bachelor's degree or higher28.3%37.2%35%
Unemployment rate6%5.8%5.2%
Works from home2.9%14%13.5%
Born outside the US0.4%14.4%13.9%
Median age39.438.938.7
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 stationPEORIA GTR PEORIA AP, IL US29.7 km away
Rain in a year38 in
Snow in a year26 in

Average high and low by month

January33.6°F / 17.6°F2.06 in rain, 7.7 in snow
February38.7°F / 21.4°F1.99 in rain, 6.9 in snow
March51.2°F / 31.6°F2.69 in rain, 3.3 in snow
April63.7°F / 42.1°F3.99 in rain, 0.5 in snow
May74.2°F / 52.8°F4.69 in rain
June83.2°F / 62.4°F3.73 in rain
July86.3°F / 66.3°F3.53 in rain
August84.6°F / 64.4°F3.31 in rain
September78.4°F / 56.3°F3.48 in rain
October65.4°F / 44.4°F3.17 in rain, 0.1 in snow
November50.8°F / 33°F2.7 in rain, 1.5 in snow
December38.5°F / 23.2°F2.21 in rain, 6.2 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.

Farmington Central Community Unit School District 26596.5% of this ZIP code's land area
Canton Union School District 663.5% 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 vulnerability21more vulnerable than 21% of US census tracts
Socioeconomic status27more vulnerable than 27% of US census tracts
Household characteristics42more vulnerable than 42% of US census tracts
Racial and ethnic minority status3more vulnerable than 3% of US census tracts
Housing type and transport24more vulnerable than 24% of US census tracts
Walkability4.2 out of 20Least walkable
Nearby ZIP codes

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

61553 Norris, IL6.4 km away
61569 Trivoli, IL10.3 km away
61572 Yates City, IL11.7 km away
61432 Fairview, IL11.8 km away
61529 Elmwood, IL13.4 km away
61520 Canton, IL13.7 km away
61458 Maquon, IL18 km away
61433 Fiatt, IL18.3 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.

Fulton County62.9% of this ZIP code's land area
Knox County23.3% of this ZIP code's land area
Peoria County13.8% of this ZIP code's land area
Time zoneCentral (UTC-06:00 standard)
Daylight saving timeObserved
Land area56.33 sq mi
Water area0.51 sq mi
Population density54 people per sq mi
Latitude, longitude40.6832, -90.0350

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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