61523 ZIP Code — Chillicothe, IL

Peoria County, Illinois

ZIP code 61523 is located in Chillicothe, Illinois, within Peoria County. It covers approximately 53.27 square miles and serves a population of 10,356 residents. This is a standard ZIP code in the Central (CT) timezone, served by area code 309.

About ZIP code 61523

The housing stock consists of predominantly single-family detached homes. Most homes were built in the 1960s, giving the area an established character. Median home value is $153,300. Owner-occupancy is high at 83%, well above the national average.

Median household income is $70,304. 34% of households receive Social Security income, suggesting a notable retiree or disability population.

The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 22 minutes is near the national average.

Educational attainment is near the national average, with 28% of residents holding a bachelor's degree or higher.

Overall, ZIP code 61523 reflects a community defined by high homeownership and a significant Social Security-dependent population.

10,356

population

53.27

sq mi land

Standard

ZIP type

Central (CT)

timezone

61523 ZIP code map

Cities in ZIP code 61523

Below are the cities the US Postal Service accepts for ZIP code 61523. Using any city not on this list may result in mail delivery delays.

City	Status
Chillicothe	Acceptable
Chillicothe	Preferred

Nearby ZIP codes

61526 Edelstein (5.3 mi) 61545 Lowpoint (7.7 mi) 61565 Sparland (8.3 mi) 61525 Dunlap (8.3 mi) 61548 Metamora (8.9 mi) 61540 Lacon (10.6 mi) 61615 Peoria (10.7 mi) 61614 Peoria (11.1 mi) 61616 Peoria Heights (11.3 mi) 61570 Washburn (12.2 mi) 61611 East Peoria (12.3 mi) 61559 Princeville (13.4 mi)

Demographics updated 06/2026

Population
Total population	10,356
Population density	194 / sq mi
State FIPS	17
County FIPS	143

Geography
Land area	53.27 sq mi
Water area	2.87 sq mi
Latitude	40.9048
Longitude	-89.5291
Timezone	Central (CT)
Area code	309

Total population by age

Gender

Race & ethnicity

Economics updated 06/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	38.9%	44.8%	37.2%
$50k – $100k	32.7%	30.9%	29.6%
$100k – $200k	23.9%	19.2%	24.4%
Over $200k	4.5%	5.2%	8.8%

Demographics & statistics

10,356

Population

194

People per sq mi

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

Income range	This ZIP	County avg	State avg
Under $50k	38.9%	44.8%	37.2%
$50k – $100k	32.7%	30.9%	29.6%
$100k – $200k	23.9%	19.2%	24.4%
Over $200k	4.5%	5.2%	8.8%

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%
Work from home	7.3%
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	%
Obesity	34.3%
High blood pressure	33.7%
High cholesterol	34.6%
Diabetes	10.1%
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	%
Smoking	18.0%
Binge drinking	14.4%
No physical activity	24.1%
Less than 7 hrs sleep	31.1%
Depression	17.7%
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%
No insurance	6.3%
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 about ZIP code 61523

What city is ZIP code 61523 in?

ZIP code 61523 is primarily assigned to Chillicothe, Illinois.

What county is ZIP code 61523 in?

ZIP code 61523 falls within Peoria County, Illinois.

Is ZIP code 61523 mostly owner-occupied?

83% of occupied units in ZIP code 61523 are owner-occupied, well above the national average.

What is the typical home value in ZIP code 61523?

The median home value in ZIP code 61523 is $153,300.

What is the population of ZIP code 61523?

ZIP code 61523 has an estimated population of 10,356 residents, with a density of 194 people per square mile.

What is the median household income in ZIP code 61523?

The median household income in ZIP code 61523 is $70,304, below the national median of ~$75,000.

What timezone is ZIP code 61523 in?

ZIP code 61523 observes the CST timezone.