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Chillicothe, IL

Last updated
Key Indicators
A quick look at key numbers

Population

5,900
Source: U.S. Census Bureau American Community Survey (ACS) 2020-2024 5-Year Estimates

Median Age

51.2
years ∙ half population younger than 51.2, half older

Diversity Index

Low High
9.5%
chance two random people differ in race and ethnicity

Nativity

2.9%
foreign-born population
97.1%Native
2.9% Foreign-born

Geographic Context

Location, size, and surroundings

About

Chillicothe is a city within Peoria County, Illinois, United States.
Location
City in Peoria County, IL, US
Co-ordinates
DEC40.915961° N, 89.502680° W
DMS40° 54′ 57.46″ N, 89° 30′ 09.65″ W

Population Density & area

1,120/sq mi (431.9/km²)
Total Area
5.53 sq mi (14.34 km²)
Land Area
5.27 sq mi (13.66 km²) · 95.2%
Water Area
0.26 sq mi (0.68 km²) · 4.8%

Demographics & Living

Who lives here, how households are formed, and community composition

Population Composition

Key characteristics of the population

Sex Distribution

50.1% male
Male 50.1%
Female 49.9%
males per 100 females
Chillicothe 100.4
Peoria County 95.2
Illinois 97.7

Nativity

2.9%
foreign-born population
97.1%Native
2.9% Foreign-born
% Foreign-born
Chillicothe 2.9%
Peoria County 7.1%
Illinois 14.7%
Age Distribution
How the population is spread across age groups

Median Age

51.2
years ∙ half population younger than 51.2, half older
Chillicothe
51.2
Peoria County
38.1
Illinois
39

Dependency ratio

Low High
74.5
dependents per 100 working-age adults
Chillicothe 74.5
Peoria County 73
Illinois 63.5

AGE DISTRIBUTION

Distribution of age group
Median age
Chillicothe Peoria County Illinois
Age Group
Children (Under 18) 16.5% 23.9% 21.8%
Working age (18-64) 57.3% 57.8% 61.2%
Senior (65+) 26.2% 18.3% 17%
Dependency ratio
Total dependency ratio 74.5 73 63.5
Child dependency ratio 28.7 41.4 35.7
Old-age dependency ratio 45.8 31.6 27.8
Racial & Ethnic Composition
Racial and ethnic makeup and how it compares

Race & Ethnicity

White
95.1%
Black
0.6%
Asian
0.6%
Hispanic
2.8%
Other
0.9%
Note: White, Black, and Asian refer to individuals belonging to a single race and not of Hispanic origin. Hispanics may be of any race.

Diversity Index

Low High
9.5%
chance two random people differ in race and ethnicity
Chillicothe 9.5%
Peoria County 52.5%
Illinois 60.5%
Note: The Diversity Index (DI), based on the Blau Index, measures the probability that two randomly selected individuals differ in race and ethnicity. Values range from 0 (no diversity) to 1 (high diversity) and are shown as percentages.

RACIAL & ETHNIC COMPOSITION

Race & Ethnicity
Percentage of Chillicothe population
Chillicothe Peoria County Illinois
Hispanic or Latino 2.8% 6% 18.8%
Mexican 2.8% 4.2% 14.4%
Puerto Rican 0% 0.4% 1.6%
Cuban 0% 0.1% 0.3%
Other Hispanic / Latino 0% 1.4% 2.5%
Not Hispanic or Latino 97.2% 94% 81.2%
One race 96.3% 88.5% 77.8%
White 95.1% 66.1% 58.1%
Black or African American 0.6% 17.2% 13.3%
American Indian and Alaska Native 0% 0.1% 0.1%
Asian 0.6% 4.6% 5.9%
Native Hawaiian and Other Pacific Islander 0% 0% 0%
Some Other Race 0% 0.5% 0.4%
Two or more races (Multiracial) 0.9% 5.5% 3.4%
Household & Families Composition
Household size, type, and family structure

Household structure

55.7% family
Family 55.7%
Non family 44.3%
% family households
Chillicothe 55.7%
Peoria County 57%
Illinois 62.2%

Average household size

2
persons per household
Chillicothe
2
Peoria County
2.24
Illinois
2.46

Household & Family COMPOSITION

Households
Percentage of Chillicothe population
Chillicothe Peoria County Illinois
Total households 2,892 77,755 5,036,449
Average houshold size 2 2.24 2.46
Family households 1,612 44,299 3,130,978
Average family size 2.67 2.98 3.14
Married couple family 1,142 30,621 2,282,435
Other families 470 13,678 848,543
Male householder 91 3,397 248,521
Female householder 379 10,281 600,022
Non-family households 1,280 33,456 1,905,471
One-person households 1,221 28,891 1,569,881
Male householder 571 13,626 712,191
Senior (65+) living alone 134 4,106 210,051
Female householder 650 15,265 857,690
Senior (65+) living alone 225 6,872 417,870
Other living arrangements 59 4,565 335,590

Housing Profile

Housing stock, ownership, rentals, and cost burdens

Total housing units

3,140
housing units
Chillicothe 3,140
Peoria County 84,930
Illinois 5,457,452

Occupancy status

92.1% occupied
Occupied 92.1%
Vacant 7.9%
vacancy rate
Chillicothe 7.9%
Peoria County 8.4%
Illinois 7.7%
Housing Characteristics
How the housing supply is structured and used

Types of Housing unit

88.9%
Single family houses
Single family houses
88.9%
Apartments in multi-unit structures
9.3%
Mobile homes
1.8%
Boat, RV, van, etc
0%

Median Year Built

1965
Half of houses were built before 1965, and half after.
Historic ∙ 1939 or earlier
19.6%
Postwar & mid-century ∙ 1940 - 1969
40.2%
Late 20th century ∙ 1970 - 1999
30.1%
Modern ∙ 2000 or later
10%
Note: Median year built reflects occupied units only; distribution includes all units.

Housing Characteristics

Units, rooms & bedrooms
Physical characteristics of housing units
Chillicothe Peoria County Illinois
Rooms per unit
Median rooms 6 5.7 5.6
1–3 rooms 5.2% 12.7% 14.6%
4–6 rooms 54.8% 51.2% 50.9%
7+ rooms 39.9% 36% 34.6%
Bedrooms
No bedroom / studio 1.8% 2.9% 3.1%
1 bedroom 6.3% 11.9% 11.5%
2 bedrooms 32.2% 28.5% 27.7%
3 bedrooms 43.3% 35.8% 35.8%
4+ bedrooms 16.4% 20.9% 21.7%
At a glance
Median year built 1965 1967 1971
Total housing units 3,140 84,930 5,457,452
Occupancy Profile
Who is inside and how they use it

Homeownership

83.5% owners
Renter-occupied 16.5%
Owner-occupied 83.5%
homeownership rate
Chillicothe 83.5%
Peoria County 67%
Illinois 67.1%

Average household size

2.07
Owner-occupied
1.6
Renter-occupied
owner-occupied average size
Chillicothe 2.07
Peoria County 2.34
Illinois 2.62

Housing Characteristics

Occupied unit characteristics
Tenure, crowding, and utilities
Chillicothe Peoria County Illinois
Total occupied units 2,892 77,755 5,036,449
Year moved in
2020 or later 19.3% 26.2% 23.3%
2010 to 2019 31.9% 38% 38.1%
2000 to 2009 20% 16% 17.3%
1999 or earlier 28.8% 19.9% 21.3%
Occupants per room
1.00 or fewer 100% 98.2% 97.5%
1.01 to 1.50 0% 1.3% 1.6%
1.51 or more 0% 0.4% 0.8%
Vehicles availability
No vehicles 5.4% 8.1% 11%
1 vehicle 47.9% 40.3% 35.7%
2 vehicles 27.4% 35% 35.1%
3 or more vehicles 19.2% 16.7% 18.3%
House heating fuel used
Gas 75.4% 71.9% 79.5%
Electricity 24.1% 26.6% 18.6%
Solar 0% 0.2% 0.1%
Fuel oil, kerosene etc 0% 0.1% 0.1%
All other fuels 0% 0.5% 0.8%
No fuel used 0.5% 0.7% 0.8%
Selected characteristics
Lacking complete plumbing 0% 0.7% 0.3%
Lacking complete kitchen 2.7% 1.4% 0.8%
No telephone service available 0% 0.6% 0.8%
Housing Value
What owner-occupied units are worth

Median home value

$132,900
owner-occupied units
Median value(USD)
Chillicothe
$132,900
Peoria County
$158,500
Illinois
$263,300

Housing Cost Burden

19.2%
of homeowners with a mortgage are cost-burdened
% Cost-Burdened Households
Owners with a mortgage
19.2%
Owners without a mortgage
8.7%
Renters
38.3%
Note: Households spending 30% or more of their income on housing costs are considered cost-burdened.

Financial characteristics

Property value and housing costs
Tenure, crowding, and utilities
Chillicothe Peoria County Illinois
Property value
Median Value $132,900 $158,500 $263,300
Under $100,000 24.7% 27.2% 13.7%
$100,000 - $200,000 56.4% 36.2% 21.5%
$200,000 - $300,000 17% 19.1% 22.3%
$300,000 - $500,000 0.7% 13.3% 27.7%
$500,000 - $1,000,000 1.2% 3.8% 12.1%
$1,000,000 and more 0% 0.5% 2.7%
Owner-occupied households
With a mortgage 55.4% 56.1% 60.8%
Without a mortgage 44.6% 43.9% 39.2%
Median monthly owner costs
With a mortgage $1,277 $1,496 $1,987
Without a mortgage $561 $641 $792
Gross rent
Median rent $899 $993 $1,274

Education Profile

How educated is the community and how education pays off

Adults with a college degree

26.4%
of adults 25+ with a bachelor's degree or higher
Chillicothe 26.4%
Peoria County 34.9%
Illinois 37.8%

Adults without a high school diploma

4.4%
of adults (25+) without a high school diploma
Chillicothe 4.4%
Peoria County 6.5%
Illinois 9.6%
School Enrollment
Who is enrolled in school and at what level

School enrollment

1,051
population (age 3+) enrolled in school
Nursery / Preschool
5.8%
K–12
72.2%
College / Undergraduate
22%
Graduate / Professional
0%

College-going rate (18-24 yr olds)

30.3%
of 18-24-year-olds in college or graduate school
Chillicothe
30.3%
Peoria County
41.4%
Illinois
41.4%

Enrollment & school type

Enrollment levels, college-going rate, and public vs private school split
Population 3+ currently enrolled in a school
Chillicothe Peoria County Illinois
Total enrolled (age 3+) 1,051 43,135 3,051,569
Nursery / preschool 5.8% 7.8% 6.3%
K–12 72.2% 67.8% 67.3%
Kindergarten 10.8% 6.1% 4.9%
Elementary: Grades 1–4 23.3% 20.9% 19.5%
Elementary: Grades 5–8 17.8% 20.3% 20.8%
High School: Grades 9–12 20.4% 20.6% 22.1%
College or graduate school 22% 24.4% 26.4%
College, undergraduate 22% 19.2% 19.8%
Graduate, professional school 0% 5.2% 6.6%
College-going rate · 18-24 yr olds 30.3% 41.4% 41.4%
School type
Public school 87.7% 76.1% 80.5%
Private school 12.3% 23.9% 19.5%
Education Attainment by Level & Gender
What is the highest level of education completed among adults

Education attainment

4,473
population 25 years and over
Total adults (25+)
Less than 9th grade
1.3%
9th-12th, no diploma
3.1%
HS graduate
30%
Some college no degree
28.6%
Associates degree
10.6%
Bachelors degree
21.6%
Graduate or professional degree
4.8%

Attainment by gender

Male vs Female
Adults (25+) · Share within each education level
% male · % female
Less than 9th grade
25.9% · 74.1%
9th-12th, no diploma
57.7% · 42.3%
HS graduate
40.3% · 59.7%
Some college no degree
55% · 45%
Associates degree
62.2% · 37.8%
Bachelors degree
38.4% · 61.6%
Graduate or professional degree
32.4% · 67.6%

Educational Attainment Overview

Distribution and key education attainment rates for adults (25+)
Highest credential completed · adults 25+
Chillicothe Peoria County Illinois
Population (25+) 4,473 120,926 8,767,004
Less than 9th grade 1.3% 2.1% 4.6%
9th–12th, no diploma 3.1% 4.4% 5%
High school diploma or GED 30% 27.7% 25.1%
Some college, no degree 28.6% 21.4% 19.2%
Associate's degree 10.6% 9.4% 8.3%
Bachelor's degree or higher 26.4% 34.9% 37.8%
Bachelor's degree 21.6% 21.5% 22.6%
Graduate or professional 4.8% 13.3% 15.3%
High School or higher 95.6% 93.4% 90.5%
Earnings by education level
percentage as applicable

Median Earnings

$50,048
Median earnings for adults 25+, by level
Less than HS graduate
$—
HS graduate
$39,883
Some college or associates
$41,031
Bachelors degree
$65,000
Graduate or professional degree
$59,597

Poverty Rate

0.3%
for ages 25+, with bachelors degree or higher
Less than HS graduate
16.4%
HS graduate
8%
Some college or associates
3.1%
Bachelors degree or higher
0.3%

Outcomes by Education Level

Earnings and poverty rates across education levels (25+)
Adults 25+
Chillicothe Peoria County Illinois
Median earnings
Population 25+, with earnings $50,048 $50,113 $55,582
Less than high school graduate $— $24,134 $34,655
High school graduate (includes equivalency) $39,883 $36,752 $40,965
Some college or associate's degree $41,031 $42,732 $47,813
Bachelor's degree $65,000 $62,757 $73,326
Graduate or professional degree $59,597 $89,700 $91,623
Poverty rates
Less than high school graduate 16.4% 32.2% 21.6%
High school graduate (includes equivalency) 8% 17.6% 14.4%
Some college or associate's degree 3.1% 12.8% 9.9%
Bachelor's degree or higher 0.3% 4.3% 4.5%

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