Chillicothe ZIP Code List — Peoria County, IL

There is one unique ZIP code in Chillicothe, Illinois and it is 61523. Area code: 309.

ZIP codes

53.27

sq mi land

2.87

sq mi water

309

area code

Chillicothe, IL ZIP code map

About Chillicothe, IL

Chillicothe, Illinois, is a charming city located in the central part of the state, known for its friendly atmosphere and community spirit. Situated in Peoria County, Chillicothe offers a blend of small-town charm and access to conveniences found in larger cities. Its picturesque surroundings and historic character make it an inviting place for both residents and visitors.

Location & geography

Chillicothe is positioned along the banks of the Illinois River and is part of the Peoria Metropolitan Area, enhancing its accessibility. Nearby cities include Peoria, located approximately 15 miles to the southwest, Morton about 10 miles to the southeast, and East Peoria which is about 14 miles to the southwest. The city spans a land area of 53.27 square miles, with an additional 2.87 square miles covered by water.

Community & economy

The character of Chillicothe encapsulates a tight-knit community where residents take pride in local events and traditions. Major industries in the area include manufacturing and agriculture, contributing to a stable economy and job opportunities for local residents. Daily life is enriched by community engagements, parks, and a local downtown that hosts various shops and eateries.

Transportation

Chillicothe is accessible via several highways, with Illinois Route 6 running through the city, providing essential connectivity to nearby areas. The nearest major airport is Greater Peoria Regional Airport, located around 16 miles from the city. Public transportation options may be limited, but the city’s layout allows for easy navigation by car.

History

Chillicothe was founded in the early 19th century and became a hub for trade and agriculture in Peoria County. The city's historical development was significantly influenced by the growth of the Illinois River, which facilitated transportation and commerce. Over the years, Chillicothe has witnessed various events that have shaped its cultural and economic landscape, solidifying its place within the region.

Did you know?

One surprising fact about Chillicothe is that it was named after the Chillicothe in Ohio, which was a significant center for Native American tribes. Additionally, the city hosts several festivals and events that celebrate its rich cultural heritage.

ZIP codes for Chillicothe, IL (1)

ZIP code	City	County	Map
61523	Chillicothe	Peoria	View map

Demographics & statistics

10,356

Population

42.1

Median age

$70,304

Median household income

$38,121

Per capita income

$153,300

Median home value

$920

Median monthly rent

82.8%

Home ownership

13.1%

Poverty rate

4.2%

Unemployment

3,973

Housing units

27.8%

Bachelor's or higher

Age distribution

Male Female

371

Under 5

379

5–9

387

351

10–14

360

250

15–19

256

181

20–24

185

597

25–34

612

625

35–44

640

638

45–54

653

266

55–59

273

433

60–64

444

640

65–74

656

265

75–84

272

120

85+

123

← Male

Female →

Age summary

Group	Count	%
Under 18	2,544	24.6%
18 and over	7,812	75.4%
65 and over	2,076	20.0%
Median age	42.1 years

Race & ethnicity

White 90.3%

Two or more races 6.3%

Hispanic or Latino 1.5%

Black or African American 1.1%

Other race 0.5%

Asian 0.3%

Group	Count	%
White	9,492	90.3%
Two or more races	666	6.3%
Hispanic or Latino	158	1.5%
Black or African American	111	1.1%
Other race	51	0.5%
Asian	36	0.3%

Household income

Under $10k 4.4%

$10k–$15k 3.4%

$15k–$25k 5.3%

$25k–$35k 5.4%

$35k–$50k 14.1%

$50k–$75k 19.2%

$75k–$100k 15.2%

$100k–$150k 16.5%

$150k–$200k 8.7%

$200k+ 7.8%

Range	% of households
Under $10k	4.4%
$10k–$15k	3.4%
$15k–$25k	5.3%
$25k–$35k	5.4%
$35k–$50k	14.1%
$50k–$75k	19.2%
$75k–$100k	15.2%
$100k–$150k	16.5%
$150k–$200k	8.7%
$200k+	7.8%
Median income	$70,304

Housing

Home values

Under $50k 4.9%

$50k–$100k 12.3%

$100k–$150k 31.0%

$150k–$200k 19.5%

$200k–$300k 19.9%

$300k–$500k 10.7%

$500k–$1M 1.6%

Housing overview

Metric	Value
Median home value	$153,300
Median rent / month	$920
Owner occupied	82.8%
Renter occupied	17.2%
Vacant	7.3%
Single-family detached	85.2%
Large apartment buildings	1.3%
Mobile homes	4.0%
Median rooms	6.0
Avg household size (owned)	2.25

Year built

Era	%
2020 or later	0.0%
2010–2019	5.8%
2000–2009	8.1%
1990–1999	15.6%
1980–1989	5.0%
1970–1979	16.0%
1960–1969	18.0%
1950–1959	9.1%
1940–1949	5.1%
1939 or earlier	17.3%

Bedrooms

Size	% of units
No bedroom (studio)	2.4%
1 bedroom	5.4%
2 bedrooms	23.6%
3 bedrooms	46.6%
4 bedrooms	18.5%
5+ bedrooms	3.5%

Vehicles per household

Vehicles	% of households
No vehicle	2.4%
1 vehicle	34.9%
2 vehicles	36.8%
3 or more	25.8%

Heating fuel

Fuel type	%
Utility gas	73.6%
Electricity	19.1%
Propane / LP gas	5.5%
Fuel oil	1.1%
Wood	0.3%
No fuel used	0.3%

Households & families

Household type	Count	%
Married-couple family	2,146	49.0%
Cohabiting couple	288	6.6%
Male householder, no spouse	892	20.4%
Female householder, no spouse	1,057	24.1%
Households with children under 18	1,189	27.1%
Households with seniors (65+)	1,413	32.2%
Average household size	2.33

Marital status

Status	Male	Female
Never married	31.0%	13.5%
Married	52.9%	53.5%
Separated	0.5%	0.6%
Widowed	5.4%	10.1%
Divorced	10.2%	22.3%

Education

Less than 9th grade 1.0%

Some HS, no diploma 1.6%

HS graduate 33.1%

Some college, no degree 24.9%

Associate's degree 11.7%

Bachelor's degree 21.3%

Graduate / professional 6.5%

Metric	%
HS diploma or higher	97.4%
Bachelor's or higher	27.8%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	194	8.4%
Kindergarten	174	7.5%
Elementary school	1,068	46.1%
High school	452	19.5%
College / grad school	427	18.4%

Employment

Industry of employment

Education & healthcare 25.6%

Manufacturing 15.8%

Professional & management 10.8%

Arts, food & hospitality 8.7%

Retail trade 8.2%

Construction 7.6%

Other services 6.0%

Finance & real estate 5.1%

Public administration 4.7%

Transportation & utilities 2.8%

Information 2.2%

Agriculture & mining 1.6%

Wholesale trade 0.8%

Occupation

Category	%
Management, business & arts	42.0%
Service	19.6%
Sales & office	18.0%
Natural resources & construction	9.8%
Production & transportation	10.7%

Employment type

Type	%
Private sector	83.3%
Government	10.5%
Self-employed	6.2%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	81.3%
Carpool	10.6%
Public transit	0.0%
Walk	0.7%
Other means	0.0%
Avg commute (minutes)	21.6

Poverty

All people 13.1%

Under 18 years 26.3%

18 and over 8.8%

Married-couple families 1.4%

Female-led households 22.3%

Income support

Source	% of households
Social Security	33.5%
Retirement income	32.9%
Supplemental Security	2.3%
Cash public assistance	1.7%
Food stamps / SNAP	8.6%

Health indicators

Condition	%
High blood pressure	33.7%
High cholesterol	34.6%
Heart disease	6.9%
Stroke	3.2%
Asthma	9.8%
Arthritis	27.5%
Kidney disease	3.0%
Pulmonary disease	7.5%
Cancer	7.3%

Behavior / access	%
Binge drinking	14.4%
No physical activity	24.1%
Less than 7 hrs sleep	31.1%
Fair or poor health	14.3%
Poor mental health	12.5%
Poor physical health	10.2%
No health insurance	10.2%
Visited doctor (checkup)	76.4%
Visited dentist	67.2%
Cholesterol screening	90.1%
Teeth loss	14.1%

Veterans & disability

Veterans	Count	%
Civilian veterans	512	6.6%

Disability	%
Any disability	14.7%
Under 18	5.8%
18–64 years	10.1%
65 and over	39.3%

Health insurance coverage

Type	%
Private insurance	72.4%
Public insurance	35.8%
Uninsured under 19	1.9%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	9,606	92.8%
Spanish	0	0.0%
Other Indo-European	0	0.0%
Asian & Pacific Islander	0	0.0%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	10,141	97.9%
Born in same state	10,104	97.6%
Born in different state	7,913	76.4%
Foreign born	37	0.4%
Naturalized citizen	215	2.1%
Not a US citizen	72	33.5%

Ancestry

Ancestry	Count	%
French	1,456	14.1%
Italian	1,040	10%
Arab	793	7.7%
Polish	221	2.1%

Ancestry	Count	%
English	109	1.1%
Dutch	29	0.3%
German	14	0.1%
Norwegian	8	0.1%

Technology access

Metric	% of households
Computer access	42.3%
Internet access	92.2%

Source: U.S. Census Bureau, American Community Survey 2025 estimates.

Frequently asked questions

What is the ZIP code for Chillicothe, IL?

Chillicothe, IL has one ZIP code: 61523.

What is the main ZIP code for Chillicothe, IL?

The primary ZIP code for Chillicothe, IL is 61523. The city uses area code 309 for phone service.

What county is Chillicothe, IL in?

Chillicothe is located in Peoria County, Illinois.

How many ZIP codes are in Chillicothe, IL?

Chillicothe, IL has 1 ZIP code.

What is the ZIP code for downtown Chillicothe and the surrounding central business district?

Downtown Chillicothe and the central business district are located in ZIP code 61523, which serves as the primary commercial and civic center of the city.

What ZIP code covers the areas near Chillicothe High School and the local parks in the city?

Chillicothe High School and the city's recreational areas, including local parks, are all serviced by ZIP code 61523, which encompasses the entire municipality.