Warren County, IL ZIP Codes

Illinois (IL) · 8 ZIP codes · 8 cities

ZIP codes

16,531

population (2021)

-6.6%

pop change since 2010

17187

FIPS code

Warren County ZIP code map

About Warren County

Warren County is located in Illinois and contains 8 ZIP codes across 8 cities and communities. The county's population was 16,531 as of 2021, a decrease of 6.6% from 17,707 in 2010. The timezone is Mountain Time (observes DST). The Federal Information Processing System (FIPS) code for Warren County is 17187.

Population
2021 population	16,531
2010 population	17,707
Change	-6.6%

County details
State	Illinois
FIPS code	17187
Timezone	Mountain
Daylight saving	Yes

Cities in Warren County

Berwick Cameron Gerlaw Kirkwood Little York Monmouth Roseville Smithshire

ZIP codes for Warren County, IL (8)

ZIP code	City	County	Map
61417	Berwick	Warren	View map
61423	Cameron	Warren	View map
61435	Gerlaw	Warren	View map
61447	Kirkwood	Warren	View map
61453	Little York	Warren	View map
61462	Monmouth	Warren	View map
61473	Roseville	Warren	View map
61478	Smithshire	Warren	View map

Demographics & statistics

15,258

Population

38.5

Median age

$61,400

Median household income

$32,417

Per capita income

$83,375

Median home value

$364

Median monthly rent

79.7%

Home ownership

17.2%

Poverty rate

4.3%

Unemployment

5,381

Housing units

14.6%

Bachelor's or higher

Age distribution

Male Female

415

Under 5

388

550

5–9

514

492

10–14

460

691

15–19

645

668

20–24

623

817

25–34

763

794

35–44

742

897

45–54

837

472

55–59

440

563

60–64

526

848

65–74

792

460

75–84

429

223

85+

209

← Male

Female →

Age summary

Group	Count	%
Under 18	3,458	23.8%
18 and over	11,800	76.2%
65 and over	2,961	15.9%
Median age	38.5 years

Race & ethnicity

White 77.5%

Hispanic or Latino 7.1%

Other race 5.7%

Black or African American 3.9%

Two or more races 2.8%

Asian 1.5%

American Indian / Alaska Native 1%

Native Hawaiian / Pacific Islander 0.4%

Group	Count	%
White	12,732	77.5%
Hispanic or Latino	1,165	7.1%
Other race	941	5.7%
Black or African American	638	3.9%
Two or more races	459	2.8%
Asian	248	1.5%
American Indian / Alaska Native	169	1%
Native Hawaiian / Pacific Islander	71	0.4%

Household income

Under $10k 3.2%

$10k–$15k 3.8%

$15k–$25k 3.7%

$25k–$35k 5.5%

$35k–$50k 17.0%

$50k–$75k 22.3%

$75k–$100k 17.3%

$100k–$150k 17.5%

$150k–$200k 6.5%

$200k+ 3.5%

Range	% of households
Under $10k	3.2%
$10k–$15k	3.8%
$15k–$25k	3.7%
$25k–$35k	5.5%
$35k–$50k	17.0%
$50k–$75k	22.3%
$75k–$100k	17.3%
$100k–$150k	17.5%
$150k–$200k	6.5%
$200k+	3.5%
Median income	$61,400

Housing

Home values

Under $50k 13.0%

$50k–$100k 49.3%

$100k–$150k 12.6%

$150k–$200k 13.0%

$200k–$300k 4.7%

$300k–$500k 3.1%

$500k–$1M 3.7%

$1M+ 0.6%

Housing overview

Metric	Value
Median home value	$83,375
Median rent / month	$364
Owner occupied	79.7%
Renter occupied	20.3%
Vacant	9.1%
Single-family detached	93.3%
Large apartment buildings	0.7%
Mobile homes	2.7%
Median rooms	6.0
Avg household size (owned)	2.43

Year built

Era	%
2020 or later	0.1%
2010–2019	3.1%
2000–2009	2.6%
1990–1999	2.5%
1980–1989	10.6%
1970–1979	19.2%
1960–1969	5.8%
1950–1959	7.7%
1940–1949	10.0%
1939 or earlier	38.6%

Bedrooms

Size	% of units
No bedroom (studio)	0.6%
1 bedroom	3.7%
2 bedrooms	28.5%
3 bedrooms	43.1%
4 bedrooms	17.1%
5+ bedrooms	7.0%

Vehicles per household

Vehicles	% of households
No vehicle	4.9%
1 vehicle	22.7%
2 vehicles	47.7%
3 or more	24.7%

Heating fuel

Fuel type	%
Utility gas	47.7%
Electricity	13.9%
Propane / LP gas	32.6%
Fuel oil	0.7%
Wood	5.1%

Households & families

Household type	Count	%
Married-couple family	2,819	52.4%
Cohabiting couple	602	12.1%
Male householder, no spouse	1,084	20.3%
Female householder, no spouse	1,625	15.1%
Households with children under 18	1,777	37.0%
Households with seniors (65+)	2,094	26.4%
Average household size	2.50

Marital status

Status	Male	Female
Never married	25.0%	28.2%
Married	55.0%	54.7%
Separated	1.3%	0.4%
Widowed	4.5%	6.9%
Divorced	14.2%	9.8%

Education

Less than 9th grade 7.8%

Some HS, no diploma 4.3%

HS graduate 33.9%

Some college, no degree 24.7%

Associate's degree 14.7%

Bachelor's degree 9.3%

Graduate / professional 5.4%

Metric	%
HS diploma or higher	87.9%
Bachelor's or higher	14.6%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	300	7.3%
Kindergarten	310	5.8%
Elementary school	1,417	41.5%
High school	875	26.5%
College / grad school	1,217	18.9%

Employment

Industry of employment

Education & healthcare 21.6%

Retail trade 15.4%

Transportation & utilities 12.1%

Manufacturing 11.0%

Professional & management 9.3%

Construction 6.0%

Arts, food & hospitality 6.0%

Finance & real estate 5.0%

Other services 4.1%

Wholesale trade 3.7%

Public administration 3.0%

Agriculture & mining 2.5%

Information 0.3%

Occupation

Category	%
Management, business & arts	37.4%
Service	10.7%
Sales & office	23.4%
Natural resources & construction	13.5%
Production & transportation	15.1%

Employment type

Type	%
Private sector	78.2%
Government	16.5%
Self-employed	5.4%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	87.0%
Carpool	5.7%
Public transit	0.9%
Walk	0.8%
Other means	0.4%
Avg commute (minutes)	15.9

Poverty

All people 17.2%

Under 18 years 13.0%

18 and over 14.3%

Married-couple families 5.9%

Female-led households 7.1%

Income support

Source	% of households
Social Security	28.1%
Retirement income	24.3%
Supplemental Security	3.8%
Cash public assistance	0.4%
Food stamps / SNAP	13.9%

Health indicators

Condition	%
High blood pressure	35.3%
High cholesterol	35.5%
Heart disease	7.4%
Stroke	3.4%
Asthma	9.6%
Arthritis	29.4%
Kidney disease	3.2%
Pulmonary disease	7.7%
Cancer	8.1%

Behavior / access	%
Binge drinking	14.5%
No physical activity	24.4%
Less than 7 hrs sleep	30.6%
Fair or poor health	14.1%
Poor mental health	12.3%
Poor physical health	10.2%
No health insurance	9.8%
Visited doctor (checkup)	77.9%
Visited dentist	64.8%
Cholesterol screening	90.8%
Teeth loss	13.6%

Veterans & disability

Veterans	Count	%
Civilian veterans	847	6.8%

Disability	%
Any disability	11.4%
Under 18	1.5%
18–64 years	10.4%
65 and over	23.7%

Health insurance coverage

Type	%
Private insurance	65.0%
Public insurance	42.7%
Uninsured under 19	1.0%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	14,455	93.8%
Spanish	984	2.8%
Other Indo-European	662	0.9%
Asian & Pacific Islander	194	1.7%
Other languages	128	0.2%

Place of birth & citizenship

Origin	Count	%
Native born (US)	14,235	98.7%
Born in same state	14,018	98.4%
Born in different state	10,663	75.6%
Foreign born	217	0.3%
Naturalized citizen	1,023	1.3%
Not a US citizen	499	10.3%

Ancestry

Ancestry	Count	%
Italian	1,969	12.9%
French	1,092	7.2%
Arab	700	4.6%
English	163	1.1%
Polish	112	0.7%

Ancestry	Count	%
Dutch	44	0.3%
German	20	0.1%
Irish	6	0%
Norwegian	3	0%

Technology access

Metric	% of households
Computer access	40.0%
Internet access	90.6%

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

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