Warren

County in Illinois

County

The population development of Warren.

Name	Status	Population Census 1990-04-01	Population Census 2000-04-01	Population Census 2010-04-01	Population Census 2020-04-01	Population Estimate 2024-07-01
Warren	County	19,181	18,735	17,707	16,842	16,217	→
Illinois	State	11,430,602	12,419,293	12,830,632	12,821,814	12,710,158

Contents: Incorporated Places

The population development of the incorporated places in Warren.

The Details icon links to further information about a selected place including its population structure (gender, age groups, age distribution, urbanization, »race«, ethnicity).

Name	Status	County	Population Census 1990-04-01	Population Census 2000-04-01	Population Census 2010-04-01	Population Census 2020-04-01	Population Estimate 2024-07-01
Alexis	Village	Warren / Mercer	898	875	843	787	755	→
Avon	Village	Fulton / Warren	963	945	799	701	671	→
Kirkwood	Village	Warren	884	794	714	677	648	→
Little York	Village	Warren	349	290	326	281	268	→
Monmouth	City	Warren	9,549	9,793	9,421	8,924	8,639	→
Roseville	Village	Warren	1,151	1,072	944	879	839	→

Source: U.S. Census Bureau.

Explanation: Latest available rebased population figures are used. In case of significant changes, they were recalculated by using census block data.

Further information about the population structure:

Gender (C 2020)
Males	8,338
Females	8,497

Age Groups (C 2020)
0-17 years	3,582
18-64 years	9,713
65+ years	3,540

Age Distribution (C 2020)
80+ years	872
70-79 years	1,517
60-69 years	2,289
50-59 years	2,063
40-49 years	1,873
30-39 years	1,853
20-29 years	2,137
10-19 years	2,299
0-9 years	1,932

Urbanization (C 2020)
Rural	7,646
Urban	9,189

»Race« (C 2020)
White	13,842
Black/African American	587
Indigenous	72
Asian	330
Pacific Islander	18
Some other	935
2 or more	1,051

Ethnicity (C 2020)
Hispanic or Latino	1,789
Other	15,046