Peoria County, Illinois Population 2021

Peoria County, Illinois's estimated population is 176,297 with a growth rate of -0.81% in the past year according to the most recent United States census data. Peoria County, Illinois is the 13th largest county in Illinois. The 2010 Population was 186,222 and has seen a growth of -5.33% since this time.

Note: 2020 and 2021 data is projected
Year Population Growth Growth Rate
2021176,297-1,441-0.81%
2020177,738-1,441-0.80%
2019179,179-1,441-0.80%
2018180,620-1,905-1.04%
2017182,525-2,518-1.36%
2016185,043-1,438-0.77%
2015186,481-1,031-0.55%
2014187,512-1,131-0.60%
2013188,6431,3260.71%
2012187,3175630.30%
2011186,7545320.29%
2010186,2223,3951.86%
1990182,827-17,639-8.80%
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%
190088,60818,23025.90%
189070,37815,02327.14%
188055,3557,81516.44%
187047,54010,93929.89%
186036,60119,054108.59%
185017,54711,394185.18%
18406,1530.00%
2021 Growth Rate
-0.81%
County Website
Founded
1825
County Seat
2010 Population
186,222
Growth Since 2010
-5.33%
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Peoria County, Illinois Population Growth

Population by Race

Race Population Percentage
White132,88872.71%
Black or African American32,48017.77%
Asian7,5374.12%
Two or More Races6,6853.66%
Some Other Race2,6701.46%
American Indian and Alaska Native4990.27%
Native Hawaiian and Other Pacific Islander110.01%
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Peoria County, Illinois Population by Race

Peoria County, Illinois Population Pyramid $2021

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Peoria County, Illinois Median Age

37.5


Total

36.1


Male

39.3


Female

Peoria County, Illinois Adults

There are 139,285 adults, (30,069 of whom are seniors) in Peoria County, Illinois.

Peoria County, Illinois Age Dependency

67.3

Age Dependency Ratio

27.5

Old Age Dependency Ratio

39.8

Child Dependency Ratio

Peoria County, Illinois Sex Ratio

Female

94,153

51.51%

Male

88,617

48.49%

Peoria County, Illinois Population by Age

Peoria County, Illinois Renter vs Owner Occupied by Household Type

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Peoria County, Illinois Household Types

Type Owner Renter
Married85.8%14.2%
All65.1%34.9%
Male64.6%35.4%
Non Family50.6%49.4%
Female43.9%56.1%

65.1%

Rate of Home Ownership

Peoria County, Illinois Households and Families

Type Count Average Size Owned
All73,2532.4265.1
Married30,9803.1385.8
Non Family29,5561.2150.6
Female9,9253.5743.9
Male2,7923.3164.6

3.15

Average Family Size

2.42

Average Household Size

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Peoria County, Illinois Households by Type

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Education Attained Count Percentage
Less Than 9th Grade3,1452.56%
9th to 12th Grade8,0186.52%
High School Graduate33,93427.61%
Some College28,37523.09%
Associates Degree11,8349.63%
Bachelors Degree22,84418.59%
Graduate Degree14,75012.00%
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Peoria County, Illinois Educational Attainment by Sex (over 25)

Peoria County, Illinois Educational Attainment by Race

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Race Total High School Bachelors
White93,41687,51130,196
Black18,54515,0882,474
Asian4,8204,5173,581
Hispanic4,4563,245952
2+ Races1,5631,242370
Other Race1,314894155
Native American339324132
Islander333

The highest rate of high school graduation is among islander people with a rate of 100.00%.

The highest rate of bachelors degrees is among islander people with a rate of 100.00%.

Peoria County, Illinois Educational Attainment by Race

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Name Average Male Female
Overall$39,309$48,632$31,131
Less Than 9th Grade$22,625$25,833$18,861
High School Graduate$26,783$35,794$21,614
Some College$33,430$43,153$27,810
Bachelors Degree$52,834$69,355$44,353
Graduate Degree$75,783$98,006$58,058

$39,309

Average Earnings

$48,632

Average Male

$31,131

Average Female

Peoria County, Illinois Earnings by Educational Attainment

Peoria County, Illinois Language by Age

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Peoria County, Illinois Language

91.86% of Peoria County, Illinois residents speak only English, while 8.14% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 3.37% of the population.

Peoria County, Illinois Language

Peoria County, Illinois Poverty by Race

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Name Total In Poverty Poverty Rate
White124,22612,62910.17%
Black31,49411,26835.78%
Hispanic8,4681,99623.57%
Multiple6,5531,60424.48%
Other2,64863223.87%
Asian7,3635427.36%
Native499326.41%

15.64%

Overall Poverty Rate

14.55%

Male Poverty Rate

16.65%

Female Poverty Rate

Poverty in Peoria County, Illinois

The race most likely to be in poverty in Peoria County, Illinois is Black, with 35.78% below the poverty level.

The race least likely to be in poverty in Peoria County, Illinois is Native, with 6.41% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 3.16%. Among those working part-time, it was 17.09%, and for those that did not work, the poverty rate was 24.89%.

Peoria County, Illinois Poverty

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Name Poverty
Less Than 9th Grade33.01%
High School18.11%
Some College11.21%
Bachelors or Greater3.28%

Peoria County, Illinois Poverty Rate by Education

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Rate Poverty
Female Unemployed57.15%
Male Unemployed36.74%
Female Employed8.94%
Male Employed4.91%

Peoria County, Illinois Poverty Rate by Employment Status and Sex

Peoria County, Illinois Income by Household Type

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Name Median Mean
Households$55,842$77,258
Families$73,080$96,433
Married Families$93,021$117,114
Non Families$33,275$46,223
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Income by Household Type

Peoria County, Illinois Marital Status

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Marriage Rates

44.7%

Overall Marriage Rate

46.8%

Male Marriage Rate

42.8%

Female Marriage Rate

Peoria County, Illinois Married by Age and Sex

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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 55-64.

Peoria County, Illinois Marital Status by Race

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Peoria County, Illinois Marital Status

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9,765

Number of Veterans

9,135

Male Veterans

630

Female Veterans

War Veterans
Vietnam3,550
Second Gulf War1,576
First Gulf War1,535
Korea805
World War II483

Peoria County, Illinois Veterans by War

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Age Group Veterans
65 to 742,749
75+2,642
35 to 542,453
55 to 641,242
18 to 34679

Peoria County, Illinois Veterans by Age

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Name Veterans % of Total
White8,5297.98%
Black1,0014.50%
Hispanic3005.46%
Other Race1327.49%
2+ Races772.96%
Asian180.33%
Native American51.51%
Islander327.27%

Peoria County, Illinois Veterans by Race

Peoria County, Illinois Veterans by Education

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9.23%

Veteran Poverty Rate

26.05%

Veteran Disability Rate

Peoria County, Illinois Veterans by Education

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61.6%

Labor Force Participation

56.9%

Employment Rate

7.5%

Unemployment Rate

Peoria County, Illinois Employment by Age

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Peoria County, Illinois Employment by Race

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Peoria County, Illinois Employment by Education

Origin of Non-Citizens

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

Origin of Naturalized Citizens

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75.81%

Born in Peoria County, Illinois

94.63%

Native Born

5.37%

Foreign Born

2.97%

Non Citizen

2.39%

Naturalized

Place of Birth

94.63% of Peoria County, Illinois residents were born in the United States, with 75.81% having been born in Illinois. 2.97% 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

  1. US Census City/Town Population estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. Population of States and Counties of the United States: 1790 - 1990

Sources