Boone County, Illinois Population 2024

53,336

Boone County, Illinois's estimated 2024 population is 53,336 with a growth rate of 0.25% in the past year according to the most recent United States census data. Boone County, Illinois is the 26th largest county in Illinois. The 2010 population was 54,094 and has seen a growth of -1.4% since that time.

Note: data after 2022 is projected based on recent change
Year
Population
Growth
Change
202954,0061340.25%
202853,8721340.25%
202753,7381340.25%
202653,6041340.25%
202553,4701340.25%
202453,3361340.25%
202353,2021340.25%
202253,068-105-0.2%
202153,173-170-0.32%
202053,343620.12%
201953,281-87-0.16%
201853,368-113-0.21%
201753,481-78-0.15%
201653,559-12-0.02%
201553,571-131-0.24%
201453,702-35-0.07%
201353,73780.01%
201253,729-394-0.73%
201154,123290.05%
201054,09400%
199030,8062,1767.6%
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%
190015,7913,58829.4%
189012,2036956.04%
188011,508-1,434-11.08%
187012,9421,26410.82%
186011,6784,05453.17%
18507,6245,919347.16%
18401,705-52,301-96.84%
2024 Growth Rate
0.25% (134)
County Website
Boone County
County Seat
Belvidere
2020 Population
53,343
Area
281 mi²
Density
190 people/mi²
Growth Since 2020
-0.01% (-7)
Founded
1837

Population by Race

Race
Population
Percentage (of total)
White39,57874.23%
Other race6,69212.55%
Two or more races4,9809.34%
Black or African American1,3122.46%
Asian5341%
Native American2200.41%
Native Hawaiian or Pacific Islander00%

White

Other race

Two or more races

Black or African American

Asian

Native American

Native Hawaiian or Pacific Islander

Boone County, Illinois Population by Race

Boone County, Illinois Population Pyramid 2024

Boone County, Illinois Median Age

39.5

Total

39

Male

39.8

Female

Boone County, Illinois Adults

There are 40,430 adults, (8,719 of whom are seniors) in Boone County, Illinois.

Boone County, Illinois Age Dependency

68.1

Age Dependency Ratio

27.5

Old Age Dependency Ratio

40.6

Child Dependency Ratio

Boone County, Illinois Sex Ratio

Female26,64149.97%
Male26,67550.03%

Boone County, Illinois Population by Age

Boone County, Illinois Renter vs Owner Occupied by Household Type

Household Type
Count
Average Size
Owner
Renter
All19,1552.778317
Married10,3783.2892.97.1
Non Family5,3341.276931
Female2,1653.3166.833.2
Male1,2783.989.110.9

3.24

Average Family Size

2.77

Average Household Size

83.0%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

Boone County, Illinois Households and Families

Male

Female

Education Attained
Count
Percentage
9th to 12th Grade2,7877.87%
Associates Degree2,9298.27%
Bachelors Degree5,10414.41%
Graduate Degree3,1288.83%
High School Graduate10,76430.38%
Less Than 9th Grade2,3136.53%
Some College8,40423.72%

Less Than 9th Grade

9th to 12th Grade

High School Graduate

Some College

Associates Degree

Bachelors Degree

Graduate Degree

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

Boone County, Illinois Educational Attainment by Race

High School Graduation Rate

Bachelors Rate

Race
Total
High School
Bachelors
White26,81024,7967,005
Hispanic6,9093,953663
Other Race3,7351,684106
2+ Races2,3301,996610
Black774679161
Asian377346188
Native American2201040

The highest rate of high school graduation is among white people with a rate of 92.49%.

The highest rate of bachelors degrees is among asian people with a rate of 49.87%.

Boone County, Illinois Educational Attainment by Race

All

Male

Female

Name
Average
Male
Female
Bachelors Degree$71,192$97,000$51,448
Graduate Degree$95,680$114,302$83,871
High School Graduate$42,898$59,127$35,694
Less Than 9th Grade$33,445$33,397$33,564
Overall$51,793$61,185$39,202
Some College$50,689$70,408$37,194

$51,793

Average Earnings

$61,185

Average Male

$39,202

Average Female

Boone County, Illinois Earnings by Educational Attainment

Boone County, Illinois Language by Age

Only English

Spanish

Other Indo-European Languages

Asian and Pacific Island Languages

Other Languages

Boone County, Illinois Language

80.01% of Boone County, Illinois residents speak only English, while 19.99% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 17.14% of the population.

Boone County, Illinois Language

Boone County, Illinois Poverty by Race

rate

Name
Total
In Poverty
Poverty Rate
White36,4562,9288.03%
Hispanic13,2022,32017.57%
Other6,6801,45721.81%
Multiple4,86069614.32%
Native2208840%
Black1,208534.39%
Asian534417.68%

10.5%

Overall Poverty Rate

9.64%

Male Poverty Rate

11.36%

Female Poverty Rate

Poverty in Boone County, Illinois

The race most likely to be in poverty in Boone County, Illinois is Native, with 40% below the poverty level.

The race least likely to be in poverty in Boone County, Illinois is Black, with 4.39% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 2.03%. Among those working part-time, it was 10.76%, and for those that did not work, the poverty rate was 18.96%.

Boone County, Illinois Poverty

rate

Rate
Poverty
Less Than 9th Grade21.39%
Some College9.22%
High School7.33%
Bachelors or Greater4.19%

Boone County, Illinois Poverty Rate by Education

rate

Rate
Poverty
Male Unemployed14.76%
Female Unemployed6.74%
Female Employed5.74%
Male Employed3.83%

Boone County, Illinois Poverty Rate by Employment Status and Sex

Boone County, Illinois Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

Name
Median
Mean
Families$99,747$119,151
Households$81,638$103,936
Married Families$117,286$-999,999,999
Non Families$43,776$56,327

mean

median

Income by Household Type

Boone County, Illinois Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

50.9%

Overall Marriage Rate

53.0%

Male Marriage Rate

48.9%

Female Marriage Rate

Boone County, Illinois Married by Age and Sex

male

female

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

Married

Widowed

Divorced

Separated

NeverMarried

Boone County, Illinois Marital Status

Second Gulf War

First Gulf War

Vietnam

Korea

World War II

2,278

Number of Veterans

2,226

Male Veterans

52

Female Veterans

War
Veterans
Vietnam752
First Gulf War663
Second Gulf War453
Korea120
World War II88

Boone County, Illinois Veterans by War

count

Age Group
Veterans
75+615
35 to 54590
65 to 74487
55 to 64421
18 to 34165

Boone County, Illinois Veterans by Age

count

Name
Veterans
% of Total
White2,0956.74%
Hispanic2272.61%
2+ Races1254.11%
Black292.93%
Other Race150.33%
Native American125.45%
Asian20.4%

Boone County, Illinois Veterans by Race

Boone County, Illinois Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

3.22%

Veteran Poverty Rate

33.82%

Veteran Disability Rate

Boone County, Illinois Veterans by Education

LaborForceParticipation

65.9%

Labor Force Participation

60.7%

Employment Rate

7.8%

Unemployment Rate

Boone County, Illinois Employment by Age

LaborForceParticipation

Boone County, Illinois Employment by Race

LaborForceParticipation

Boone 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

70.32%

Born in Boone County, Illinois

89.82%

Native Born

10.18%

Foreign Born

4.96%

Non Citizen

5.23%

Naturalized

Place of Birth

89.82% of Boone County, Illinois residents were born in the United States, with 70.32% having been born in Illinois. 4.96% 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

Sources