Postal Codes

61523 ZIP Code

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ZIP code 61523 covers Chillicothe, Illinois, with a population of about 10,188 and a median household income of $74,100.

Population
10,188191 per square mile
Median age
43.24.5 points above the US average
Median household income
$74,1009% below the Illinois median
Poverty rate
10.5%1.9 points below the US average
Typical home value
$189,921up 42.3% in five years
Median rent
$90726% below the Illinois median
Degree or higher
27.4%7.6 points below the US average
Homeownership
83.3%18.3 points above the US average
Time zone
Central UTC-06:00observes daylight saving time
Businesses
158

Where 61523 is

Chillicothe, 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

Population10,188
Median age43.2
Family households60.2%
Born outside the US1.9%
Speaks a language other than English at home0.3%
White (non-Hispanic)91%
Black (non-Hispanic)1.1%
Asian (non-Hispanic)0.4%
Hispanic or Latino1.8%
Veterans6.7%
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

Median household income$74,100
Income per person$41,005
Poverty rate10.5%
Households on SNAP or cash assistance10.9%

Household income distribution

Under $10k2.1%
$10–15k2.8%
$15–20k2.3%
$20–25k2.2%
$25–30k3.3%
$30–35k3.1%
$35–40k4.0%
$40–45k4.5%
$45–50k2.3%
$50–60k11.2%
$60–75k12.5%
$75–100k15.2%
$100–125k9.8%
$125–150k6.5%
$150–200k10.7%
$200k or more7.5%

Income as declared to the IRS

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

Tax returns filed5,340
Mean adjusted gross income$76,936
Returns declaring $200,000 or more6%
Returns, under $25k26.4%
Returns, $25k–$50k23.4%
Returns, $50k–$75k13.9%
Returns, $75k–$100k11.2%
Returns, $100k–$200k19.1%
Returns, $200k or more6.0%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$151,600
Median gross rent$907
Rent as a share of household income31.8%
Owner-occupied83.3%
Vacant homes7.2%
Median year built1969

What the homes are

Detached house84.1%
Attached house3.7%
2 to 4 units1.4%
5 to 19 units5.5%
20 or more units0.8%
Mobile home4.6%
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$189,921as of 2026-07
Typical home value, 1 yearup 6.7%
Typical home value, 5 yearsup 42.3%
Typical home value, 10 yearsup 50.3%
Typical home value since 2000
200220142026$189,921$101,293

$101,293 in 2002 to $189,921 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate3.4%
Bachelor's degree or higher27.4%
High school diploma or higher96.2%
Works from home7.6%
Drives to work alone81.9%
Takes public transport0.1%
Commutes 45 minutes or more4.5%
Health

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

Obesity32.7% 0.7 pts below the national average of 33.4%
Diagnosed diabetes11.5% 0.5 pts below the national average of 12%
Currently smokes13% same as the national average of 13.2%
High blood pressure36.1% 2 pts above the national average of 34.1%
Fair or poor general health17% 3.3 pts below the national average of 20.3%
No health insurance (18–64)6.3% 5 pts below the national average of 11.3%
Depression23% 1.1 pts above the national average of 21.9%
No leisure-time physical activity20.7% 4.7 pts below the national average of 25.4%
Arthritis28.8% 3.7 pts above the national average of 25.1%
Binge drinking17.8% 1.8 pts above the national average of 16%
Taking blood pressure medication78.2% 3.5 pts above the national average of 74.7%
Cancer (non-skin)10.1% 2.4 pts above the national average of 7.7%
Current asthma10.3% same as the national average of 10.4%
Coronary heart disease6.8% 0.6 pts above the national average of 6.2%
Routine check-up in past year78.8% 2.1 pts above the national average of 76.7%
Cholesterol screening88.5% 2.6 pts above the national average of 85.9%
Cognitive disability12.2% 2.6 pts below the national average of 14.8%
Colorectal screening66.1% 1.8 pts above the national average of 64.3%
COPD7.4% 0.8 pts above the national average of 6.6%
Visited a dentist64.7% 3.4 pts above the national average of 61.3%
Any disability28.5% 2.2 pts below the national average of 30.7%
Lacks emotional support21.8% 3 pts below the national average of 24.8%
Food insecurity10.6% 6.5 pts below the national average of 17.1%
Received food stamps10.1% 4.2 pts below the national average of 14.3%
Hearing disability7.4% 0.7 pts above the national average of 6.7%
High cholesterol39.3% 3.1 pts above the national average of 36.2%
Housing insecurity8.9% 4.9 pts below the national average of 13.8%
Independent living disability7.4% 1 pts below the national average of 8.4%
Lacks transport6% 3.2 pts below the national average of 9.2%
Loneliness32.2% 2.2 pts below the national average of 34.4%
Mammography use73.6% 2.3 pts below the national average of 75.9%
Poor mental health (14+ days)16.1% 0.7 pts below the national average of 16.8%
Mobility disability13.2% 0.8 pts below the national average of 14%
Poor physical health (14+ days)13% 0.5 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%
Stroke3.4% same as the national average of 3.4%
All natural teeth lost12.6% same as the national average of 13%
Vision disability4.1% 1.5 pts below the national average of 5.6%
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Business and employment

Census ZIP Code Business Patterns 2022

Business establishments158
People employed1,783
Annual payroll$66,354,000
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 66% of US census tracts
FEMA ratingRelatively Moderate
Expected annual loss84.2 out of 100
Community resilience89.8 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.

Drought93.2Relatively High at its worst in this ZIP code
Landslide91.3Relatively Moderate at its worst in this ZIP code
Cold wave90.7Very High at its worst in this ZIP code
Hail82Relatively Moderate at its worst in this ZIP code
Strong wind79.3Very High at its worst in this ZIP code
River flooding76.4Relatively High at its worst in this ZIP code
Tornado75.2Relatively High at its worst in this ZIP code
Ice storm74.9Relatively Moderate at its worst in this ZIP code
Winter weather61.2Relatively Moderate at its worst in this ZIP code
Heat wave59.6Relatively Moderate at its worst in this ZIP code
Lightning55.7Relatively Moderate at its worst in this ZIP code
Wildfire44.4Very Low at its worst in this ZIP code
Earthquake42.6Relatively Low at its worst in this ZIP code
Hurricane27.2Very 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$74,100$81,702$78,538
Income per person$41,005$45,104$43,289
Poverty rate10.5%11.7%12.4%
Median home value$151,600$250,500$303,400
Median gross rent$907$1,227$1,348
Homeownership83.3%66.8%65%
Bachelor's degree or higher27.4%37.2%35%
Unemployment rate3.4%5.8%5.2%
Works from home7.6%14%13.5%
Born outside the US1.9%14.4%13.9%
Median age43.238.938.7
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 stationLACON, IL US15.1 km away
Rain in a year38 in
Snow in a year25 in

Average high and low by month

January33.8°F / 18°F2.07 in rain, 8.1 in snow
February38.3°F / 21.5°F2.06 in rain, 6.2 in snow
March51.4°F / 31.3°F2.65 in rain, 3.2 in snow
April64.5°F / 41.4°F4 in rain, 0.7 in snow
May75°F / 51.7°F4.76 in rain
June84.4°F / 61.2°F4.29 in rain
July87°F / 65.1°F3.97 in rain
August85.6°F / 63°F3.33 in rain
September79.6°F / 55.1°F3.3 in rain
October66.6°F / 43.5°F3.16 in rain, 0.1 in snow
November51.2°F / 32.6°F2.63 in rain, 1.1 in snow
December38.3°F / 23.2°F2.17 in rain, 5.2 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 supermarket11% of this ZIP code's area
Far from a supermarket12% of this ZIP code's area
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.

Illinois Valley Central Unit School District 32189.3% of this ZIP code's land area
Midland Community Unit School District 75.8% of this ZIP code's land area
Princeville Community Unit School District 3264.7% 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 vulnerability12more vulnerable than 12% of US census tracts
Socioeconomic status14more vulnerable than 14% of US census tracts
Household characteristics38more vulnerable than 38% of US census tracts
Racial and ethnic minority status8more vulnerable than 8% of US census tracts
Housing type and transport15more vulnerable than 15% 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.

61652 Peoria, IL2.7 km away
61562 Rome, IL3 km away
61526 Edelstein, IL8.3 km away
61552 Mossville, IL10.6 km away
61545 Lowpoint, IL11.7 km away
61525 Dunlap, IL12.8 km away
61565 Sparland, IL13.1 km away
61548 Metamora, IL14.5 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.

Peoria County93.6% of this ZIP code's land area
Marshall County6.4% of this ZIP code's land area
Time zoneCentral (UTC-06:00 standard)
Daylight saving timeObserved
Land area53.27 sq mi
Water area2.68 sq mi
Population density191 people per sq mi
Latitude, longitude40.9013, -89.5068

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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