Peoria County, Illinois Population 2024

177,026

Peoria County, Illinois's estimated 2024 population is 177,026 with a growth rate of -0.27% in the past year according to the most recent United States census data. Peoria County, Illinois is the 12th largest county in Illinois. The 2010 population was 186,224 and has seen a growth of -4.94% since that time.

Note: data after 2022 is projected based on recent change
Year
Population
Growth
Change
2029174,591-487-0.28%
2028175,078-487-0.28%
2027175,565-487-0.28%
2026176,052-487-0.28%
2025176,539-487-0.28%
2024177,026-487-0.27%
2023177,513-487-0.27%
2022178,000-1,638-0.91%
2021179,638-1,681-0.93%
2020181,3191,9601.09%
2019179,359-1,414-0.78%
2018180,773-1,884-1.03%
2017182,657-2,459-1.33%
2016185,116-1,436-0.77%
2015186,552-1,020-0.54%
2014187,572-1,116-0.59%
2013188,6881,3340.71%
2012187,3545790.31%
2011186,7755510.3%
2010186,22400%
1990182,827-17,639-8.8%
1980200,4665,1482.64%
1970195,3186,2743.32%
1960189,04414,6978.43%
1950174,34720,97313.67%
1940153,37412,0308.51%
1930141,34429,63426.53%
1920111,71011,45511.43%
1910100,25511,64713.14%
190088,60818,23025.9%
189070,37815,02327.14%
188055,3557,81516.44%
187047,54010,93929.89%
186036,60119,054108.59%
185017,54711,394185.18%
18406,153-168,438-96.48%
2024 Growth Rate
-0.27% (-487)
County Website
Peoria County
County Seat
Peoria
2020 Population
181,319
Area
619 mi²
Density
286 people/mi²
Growth Since 2020
-2.37% (-4,293)
Founded
1825

Population by Race

Race
Population
Percentage (of total)
White126,95970.07%
Black or African American31,84817.58%
Two or more races10,5185.81%
Asian8,1004.47%
Other race3,4431.9%
Native American3020.17%
Native Hawaiian or Pacific Islander160.01%

White

Black or African American

Two or more races

Asian

Other race

Native American

Native Hawaiian or Pacific Islander

Peoria County, Illinois Population by Race

Peoria County, Illinois Population Pyramid 2024

Peoria County, Illinois Median Age

38.1

Total

36.9

Male

39.4

Female

Peoria County, Illinois Adults

There are 138,213 adults, (32,044 of whom are seniors) in Peoria County, Illinois.

Peoria County, Illinois Age Dependency

70.7

Age Dependency Ratio

30.2

Old Age Dependency Ratio

40.5

Child Dependency Ratio

Peoria County, Illinois Sex Ratio

Female92,70951.17%
Male88,47748.83%

Peoria County, Illinois Population by Age

Peoria County, Illinois Renter vs Owner Occupied by Household Type

Household Type
Count
Average Size
Owner
Renter
All76,4142.3165.534.5
Non Family32,5911.1851.448.6
Married30,8913.0687.212.8
Female9,8973.3645.454.6
Male3,0353.2862.137.9

3.05

Average Family Size

2.31

Average Household Size

65.5%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

Peoria County, Illinois Households and Families

Male

Female

Education Attained
Count
Percentage
9th to 12th Grade5,9954.92%
Associates Degree11,8419.72%
Bachelors Degree24,98820.51%
Graduate Degree16,08013.2%
High School Graduate33,56327.55%
Less Than 9th Grade2,7092.22%
Some College26,66821.89%

Less Than 9th Grade

9th to 12th Grade

High School Graduate

Some College

Associates Degree

Bachelors Degree

Graduate Degree

Peoria County, Illinois Educational Attainment by Sex (over 25)

Peoria County, Illinois Educational Attainment by Race

High School Graduation Rate

Bachelors Rate

Race
Total
High School
Bachelors
White90,51385,94732,365
Black18,50416,0153,159
Asian5,0904,7783,612
Hispanic4,8103,8071,009
2+ Races3,6863,3171,099
Other Race1,7441,237207
Native American19315354
Islander1633

The highest rate of high school graduation is among white people with a rate of 94.96%.

The highest rate of bachelors degrees is among asian people with a rate of 70.96%.

Peoria County, Illinois Educational Attainment by Race

All

Male

Female

Name
Average
Male
Female
Bachelors Degree$59,526$77,237$52,463
Graduate Degree$84,185$107,971$67,320
High School Graduate$33,457$43,410$27,166
Less Than 9th Grade$23,395$33,432$16,530
Overall$46,966$56,834$38,349
Some College$39,877$49,134$33,805

$46,966

Average Earnings

$56,834

Average Male

$38,349

Average Female

Peoria County, Illinois Earnings by Educational Attainment

Peoria County, Illinois Language by Age

Only English

Spanish

Other Indo-European Languages

Asian and Pacific Island Languages

Other Languages

Peoria County, Illinois Language

91.4% of Peoria County, Illinois residents speak only English, while 8.6% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 3.11% of the population.

Peoria County, Illinois Language

Peoria County, Illinois Poverty by Race

rate

Name
Total
In Poverty
Poverty Rate
White119,74912,40910.36%
Black31,0879,64231.02%
Multiple10,3033,18930.95%
Hispanic9,1892,03322.12%
Other3,40990226.46%
Asian7,8864826.11%
Native3028427.81%
Islander161381.25%

15.47%

Overall Poverty Rate

14.35%

Male Poverty Rate

16.54%

Female Poverty Rate

Poverty in Peoria County, Illinois

The race most likely to be in poverty in Peoria County, Illinois is Islander, with 81.25% below the poverty level.

The race least likely to be in poverty in Peoria County, Illinois is Asian, with 6.11% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 3.3%. Among those working part-time, it was 17.75%, and for those that did not work, the poverty rate was 22.93%.

Peoria County, Illinois Poverty

rate

Rate
Poverty
Less Than 9th Grade32.8%
High School17.43%
Some College12.53%
Bachelors or Greater3.57%

Peoria County, Illinois Poverty Rate by Education

rate

Rate
Poverty
Female Unemployed38.31%
Male Unemployed32.39%
Female Employed9.6%
Male Employed5.19%

Peoria County, Illinois Poverty Rate by Employment Status and Sex

Peoria County, Illinois Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

Name
Median
Mean
Families$85,683$115,181
Households$63,409$90,221
Married Families$109,298$140,515
Non Families$36,859$52,685

mean

median

Income by Household Type

Peoria County, Illinois Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

44.7%

Overall Marriage Rate

46.6%

Male Marriage Rate

43.0%

Female Marriage Rate

Peoria County, Illinois Married by Age and Sex

male

female

Peoria County, Illinois Marriage

The age group where males are most likely to be married is Over 65, while the female age group most likely to be married is 35-44.

Peoria County, Illinois Marital Status by Race

Married

Widowed

Divorced

Separated

NeverMarried

Peoria County, Illinois Marital Status

Second Gulf War

First Gulf War

Vietnam

Korea

World War II

8,376

Number of Veterans

7,888

Male Veterans

488

Female Veterans

War
Veterans
Vietnam2,796
Second Gulf War1,454
First Gulf War1,352
Korea565
World War II363

Peoria County, Illinois Veterans by War

count

Age Group
Veterans
75+2,439
65 to 742,102
35 to 542,039
55 to 641,249
18 to 34547

Peoria County, Illinois Veterans by Age

count

Name
Veterans
% of Total
White7,0076.82%
Black9554.34%
2+ Races3146.25%
Hispanic2914.83%
Other Race582.54%
Asian390.68%
Islander318.75%

Peoria County, Illinois Veterans by Race

Peoria County, Illinois Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

7.34%

Veteran Poverty Rate

31.78%

Veteran Disability Rate

Peoria County, Illinois Veterans by Education

LaborForceParticipation

61.6%

Labor Force Participation

57.4%

Employment Rate

6.6%

Unemployment Rate

Peoria County, Illinois Employment by Age

LaborForceParticipation

Peoria County, Illinois Employment by Race

LaborForceParticipation

Peoria County, Illinois Employment by Education

Origin of Non-Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.

Origin of Naturalized Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

74.96%

Born in Peoria County, Illinois

93.72%

Native Born

6.28%

Foreign Born

3.44%

Non Citizen

2.84%

Naturalized

Place of Birth

93.72% of Peoria County, Illinois residents were born in the United States, with 74.96% having been born in Illinois. 3.44% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Asia.

Peoria County, Illinois Place of Birth

Sources