Boone County, Illinois Population 2021

Boone County, Illinois's estimated population is 53,672 with a growth rate of 0.12% in the past year according to the most recent United States census data. Boone County, Illinois is the 27th largest county in Illinois. The 2010 Population was 54,101 and has seen a growth of -0.79% since this time.

Note: 2020 and 2021 data is projected
Year Population Growth Growth Rate
202153,672640.12%
202053,608640.12%
201953,544640.12%
201853,480-33-0.06%
201753,513-57-0.11%
201653,570-9-0.02%
201553,579-135-0.25%
201453,714-33-0.06%
201353,747120.02%
201253,735-396-0.73%
201154,131300.06%
201054,10123,29575.62%
199030,8062,1767.60%
198028,6303,19012.54%
197025,4405,11425.16%
196020,3263,25619.07%
195017,0701,86812.29%
194015,2021240.82%
193015,078-244-1.59%
192015,322-159-1.03%
191015,481-310-1.96%
190015,7913,58829.40%
189012,2036956.04%
188011,508-1,434-11.08%
187012,9421,26410.82%
186011,6784,05453.17%
18507,6245,919347.16%
18401,7050.00%
2021 Growth Rate
0.12%
County Website
Founded
1837
County Seat
2010 Population
54,101
Growth Since 2010
-0.79%
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Boone County, Illinois Population Growth

Population by Race

Race Population Percentage
White46,85287.51%
Some Other Race3,3956.34%
Two or More Races1,2912.41%
Black or African American1,1842.21%
Asian6321.18%
American Indian and Alaska Native1830.34%
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Boone County, Illinois Population by Race

Boone County, Illinois Population Pyramid $2021

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Boone County, Illinois Median Age

38.5


Total

37.4


Male

39.8


Female

Boone County, Illinois Adults

There are 40,023 adults, (8,334 of whom are seniors) in Boone County, Illinois.

Boone County, Illinois Age Dependency

68.9

Age Dependency Ratio

26.3

Old Age Dependency Ratio

42.6

Child Dependency Ratio

Boone County, Illinois Sex Ratio

Female

26,745

49.96%

Male

26,792

50.04%

Boone County, Illinois Population by Age

Boone County, Illinois Renter vs Owner Occupied by Household Type

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Boone County, Illinois Household Types

Type Owner Renter
Married90.4%9.6%
Male84.6%15.4%
All81%19%
Non Family65.5%34.5%
Female65.2%34.8%

81.0%

Rate of Home Ownership

Boone County, Illinois Households and Families

Type Count Average Size Owned
All18,5712.8681
Married10,6393.3490.4
Non Family4,6731.2465.5
Female2,0453.4565.2
Male1,2143.9384.6

3.31

Average Family Size

2.86

Average Household Size

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Boone County, Illinois Households by Type

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Education Attained Count Percentage
Less Than 9th Grade2,1296.08%
9th to 12th Grade2,7007.71%
High School Graduate12,19234.83%
Some College6,86419.61%
Associates Degree2,9118.32%
Bachelors Degree5,02314.35%
Graduate Degree3,1899.11%
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Boone County, Illinois Educational Attainment by Sex (over 25)

Boone County, Illinois Educational Attainment by Race

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Race Total High School Bachelors
White27,88925,4867,246
Hispanic5,8033,411475
Other Race1,705950152
Black617603233
Asian427401209
2+ Races38337417
Native American575714

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

The highest rate of bachelors degrees is among asian people with a rate of 48.95%.

Boone County, Illinois Educational Attainment by Race

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Name Average Male Female
Overall$39,987$51,775$30,378
Less Than 9th Grade$24,350$27,250$21,809
High School Graduate$33,508$46,073$20,657
Some College$38,067$50,296$26,571
Bachelors Degree$61,498$83,101$46,759
Graduate Degree$78,625$112,875$59,981

$39,987

Average Earnings

$51,775

Average Male

$30,378

Average Female

Boone County, Illinois Earnings by Educational Attainment

Boone County, Illinois Language by Age

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Boone County, Illinois Language

79.56% of Boone County, Illinois residents speak only English, while 20.44% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 18.02% of the population.

Boone County, Illinois Language

Boone County, Illinois Poverty by Race

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Name Total In Poverty Poverty Rate
White38,7042,9427.60%
Hispanic11,6222,20618.98%
Other3,39579523.42%
Black1,12015914.20%
Multiple1,274342.67%

10.07%

Overall Poverty Rate

7.95%

Male Poverty Rate

12.20%

Female Poverty Rate

Poverty in Boone County, Illinois

The race most likely to be in poverty in Boone County, Illinois is Other, with 23.42% below the poverty level.

The race least likely to be in poverty in Boone County, Illinois is Multiple, with 2.67% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 3.11%. Among those working part-time, it was 11.06%, and for those that did not work, the poverty rate was 13.63%.

Boone County, Illinois Poverty

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Name Poverty
Less Than 9th Grade18.02%
High School9.07%
Some College7.40%
Bachelors or Greater2.08%

Boone County, Illinois Poverty Rate by Education

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Rate Poverty
Male Unemployed18.83%
Female Unemployed12.97%
Female Employed7.66%
Male Employed3.23%

Boone County, Illinois Poverty Rate by Employment Status and Sex

Boone County, Illinois Income by Household Type

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Name Median Mean
Households$69,272$89,482
Families$78,963$101,148
Married Families$93,272-
Non Families$33,065$47,330
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Income by Household Type

Boone County, Illinois Marital Status

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Marriage Rates

52.9%

Overall Marriage Rate

55.1%

Male Marriage Rate

50.8%

Female Marriage Rate

Boone County, Illinois Married by Age and Sex

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Boone County, Illinois Marriage

The age group where males are most likely to be married is 55-64, while the female age group most likely to be married is 55-64.

Boone County, Illinois Marital Status by Race

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Boone County, Illinois Marital Status

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2,986

Number of Veterans

2,792

Male Veterans

194

Female Veterans

War Veterans
Vietnam895
First Gulf War627
Second Gulf War388
Korea310
World War II127

Boone County, Illinois Veterans by War

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Age Group Veterans
65 to 74787
35 to 54747
75+673
55 to 64633
18 to 34146

Boone County, Illinois Veterans by Age

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Name Veterans % of Total
White2,8187.89%
Hispanic1431.95%
Black7810.79%
Other Race663.09%
2+ Races243.07%

Boone County, Illinois Veterans by Race

Boone County, Illinois Veterans by Education

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5.60%

Veteran Poverty Rate

22.07%

Veteran Disability Rate

Boone County, Illinois Veterans by Education

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65.8%

Labor Force Participation

61.6%

Employment Rate

6.2%

Unemployment Rate

Boone County, Illinois Employment by Age

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Boone County, Illinois Employment by Race

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Boone 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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69.29%

Born in Boone County, Illinois

89.74%

Native Born

10.26%

Foreign Born

6.33%

Non Citizen

3.94%

Naturalized

Place of Birth

89.74% of Boone County, Illinois residents were born in the United States, with 69.29% having been born in Illinois. 6.33% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.

Boone 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