Warren County Summary

Life in Warren County research summary. HomeSnacks has been researching the quality of life in Warren County over the past eight years using Census data, FBI crime data, cost of living data, and other primary sources. Based on the most recently available data, we found the following about life in Warren County:

  • The population in Warren County is 16,760.

  • The median home value in Warren County is $100,709.

  • The median income in Warren County is $62,700.

  • The median rent in Warren County is $697.

  • The unemployment rate in Warren County is 7.3%.

  • The poverty rate in Warren County is 14.9%.

  • The average high in Warren County is 69.5° and there are 89.9 inches of rainfall annually.

Cities & Towns in Warren County

List Of Cities & Towns in Warren County

Monmouth, IL Population 8,764

Roseville, IL Population 925

Kirkwood, IL Population 735

Alexis, IL Population 715

Avon, IL Population 627

Little York, IL Population 402

Map Of Warren County

Warren County, IL Weather

  • The average high in Warren County is 69.5°.

  • There are 76.66 nice days each year.

  • Expect an average of 89.9 inches of rain each year with 8.4 inches of snow.

  • There is an average of 4:59 hours of sun each day in Warren County.

StatWarren County
Mean High69.5
Nice Days76.66
Rainfall89.9
Snowfall8.4
Sunny_hours4:59
69.5°
Average High
89.9
Inches of Rain

Warren County Photos

Patton Block Building
Source: Public Domain

Warren County Demographics

Population over time in Warren County

The current population in Warren County is 16,760. The population has decreased -1.5% from 2019.

Year Population % Change
2022 16,887 -0.6%
2021 16,981 -1.0%
2020 17,146 -

Gender in Warren County

  • Warren County is 50.4% female with 8,449 female residents.

  • Warren County is 49.6% male with 8,311 male residents.

Female
50.4% (8,449)
Male
49.6% (8,311)
Gender Warren County IL USA
Female 50.4% 50.5% 50.4%
Male 49.6% 49.5% 49.6%

Race / Ethnicity in Warren County

Warren County is:

  • 81.9% White with 13,720 White residents.

  • 3.8% African American with 637 African American residents.

  • 0.2% American Indian with 30 American Indian residents.

  • 1.5% Asian with 245 Asian residents.

  • 0.1% Hawaiian with 23 Hawaiian residents.

  • 0.5% Other with 86 Other residents.

  • 1.7% Two Or More with 286 Two Or More residents.

  • 10.3% Hispanic with 1,733 Hispanic residents.

White
81.9% (13,720)
African American
3.8% (637)
American Indian
0.2% (30)
Asian
1.5% (245)
Hawaiian
0.1% (23)
Other
0.5% (86)
Two Or More
1.7% (286)
Hispanic
10.3% (1,733)

Table: Warren County By Race

Race Warren County IL USA
White 81.9% 59.6% 58.9%
African American 3.8% 13.7% 12.1%
American Indian 0.2% 0.1% 0.6%
Asian 1.5% 5.7% 5.7%
Hawaiian 0.1% 0.0% 0.2%
Other 0.5% 0.3% 0.4%
Two Or More 1.7% 2.8% 3.5%
Hispanic 10.3% 17.8% 18.7%

Household Income For Warren County, Illinois

  • 5.1% of households in Warren County earn Less than $10,000.

  • 4.3% of households in Warren County earn $10,000 to $14,999.

  • 6.4% of households in Warren County earn $15,000 to $24,999.

  • 9.0% of households in Warren County earn $25,000 to $34,999.

  • 14.3% of households in Warren County earn $35,000 to $49,999.

  • 19.7% of households in Warren County earn $50,000 to $74,999.

  • 13.2% of households in Warren County earn $75,000 to $99,999.

  • 18.0% of households in Warren County earn $100,000 to $149,999.

  • 5.6% of households in Warren County earn $150,000 to $199,999.

  • 4.5% of households in Warren County earn $200,000 or more.

Less than $10,000
5.1% (850)
$10,000 to $14,999
4.3% (718)
$15,000 to $24,999
6.4% (1,076)
$25,000 to $34,999
9.0% (1,515)
$35,000 to $49,999
14.3% (2,392)
$50,000 to $74,999
19.7% (3,302)
$75,000 to $99,999
13.2% (2,211)
$100,000 to $149,999
18.0% (3,010)
$150,000 to $199,999
5.6% (934)
$200,000 or more
4.5% (747)
Income Warren County IL USA
Less than $10,000 5.1% 5.3% 4.9%
$10,000 to $14,999 4.3% 3.5% 3.8%
$15,000 to $24,999 6.4% 6.7% 7.0%
$25,000 to $34,999 9.0% 7.1% 7.4%
$35,000 to $49,999 14.3% 10.1% 10.7%
$50,000 to $74,999 19.7% 15.4% 16.1%
$75,000 to $99,999 13.2% 12.9% 12.8%
$100,000 to $149,999 18.0% 17.6% 17.1%
$150,000 to $199,999 5.6% 9.4% 8.8%
$200,000 or more 4.5% 12.1% 11.4%

Highest level of educational attainment in Warren County for adults over 25

  • 5.0% of adults in Warren County completed < 9th grade.

  • 8.0% of adults in Warren County completed 9-12th grade.

  • 35.0% of adults in Warren County completed high school / ged.

  • 21.0% of adults in Warren County completed some college.

  • 10.0% of adults in Warren County completed associate's degree.

  • 14.0% of adults in Warren County completed bachelor's degree.

  • 5.0% of adults in Warren County completed master's degree.

  • 1.0% of adults in Warren County completed professional degree.

  • 1.0% of adults in Warren County completed doctorate degree.

< 9th Grade
5% (838)
9-12th Grade
8% (1,340)
High School / GED
35% (5,866)
Some College
21% (3,519)
Associate's Degree
10% (1,676)
Bachelor's Degree
14% (2,346)
Master's Degree
5% (838)
Professional Degree
1% (167)
Doctorate Degree
1% (167)
Education Warren County IL USA
< 9th Grade 5% 6% 3%
9-12th Grade 8% 5% 6%
High School / GED 35% 25% 26%
Some College 21% 20% 20%
Associate's Degree 10% 8% 9%
Bachelor's Degree 14% 22% 21%
Master's Degree 5% 11% 10%
Professional Degree 1% 2% 2%
Doctorate Degree 1% 1% 2%

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