Shelby County, Illinois Population 2024

20,426

Shelby County, Illinois's estimated 2024 population is 20,426 with a growth rate of -0.69% in the past year according to the most recent United States census data. Shelby County, Illinois is the 57th largest county in Illinois. The 2010 population was 22,354 and has seen a growth of -8.62% since that time.

Note: data after 2022 is projected based on recent change

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Year
Population
Growth
Growth Rate
202919,716-142-0.72%
202819,858-142-0.71%
202720,000-142-0.7%
202620,142-142-0.7%
202520,284-142-0.7%
202420,426-142-0.69%
202320,568-142-0.69%
202220,710-152-0.73%
202120,862-57-0.27%
202020,919-706-3.26%
201921,625-60-0.28%
201821,685-88-0.4%
201721,773390.18%
201621,734-85-0.39%
201521,819-283-1.28%
201422,102-37-0.17%
201322,139-65-0.29%
201222,204-76-0.34%
201122,280-74-0.33%
201022,35400%
199022,261-1,662-6.95%
198023,9231,3345.91%
197022,589-815-3.48%
196023,404-1,030-4.22%
195024,434-1,856-7.06%
194026,2908193.22%
193025,471-4,130-13.95%
192029,601-2,092-6.6%
191031,693-433-1.35%
190032,1269353%
189031,1919213.04%
188030,2704,79418.82%
187025,47610,86374.34%
186014,6136,80687.18%
18507,8071,14817.24%
18406,6593,687124.06%
18302,972-16,744-84.93%
showing: 37 rows
2024 Growth Rate
-0.69% (-142)
County Website
Shelby County
County Seat
2020 Population
20,919
Area
759 mi²
Density
27 people/mi²
Growth Since 2020
-2.36% (-493)
Founded
1827

Shelby County, Illinois Population 2024

Population by Race

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Race
Population
Percentage (of total)
White20,43297.1%
Two or more races3451.64%
Asian720.34%
Black or African American600.29%
Other race590.28%
Native Hawaiian or Pacific Islander400.19%
Native American340.16%

White

Two or more races

Asian

Black or African American

Other race

Native Hawaiian or Pacific Islander

Native American

Shelby County, Illinois Population by Race

Shelby County, Illinois Population Pyramid 2024

Shelby County, Illinois Median Age

44.9

Total

44

Male

46.2

Female

Shelby County, Illinois Adults

There are 16,508 adults, (4,816 of whom are seniors) in Shelby County, Illinois.

Shelby County, Illinois Age Dependency

80

Age Dependency Ratio

41.2

Old Age Dependency Ratio

38.8

Child Dependency Ratio

Shelby County, Illinois Sex Ratio

Female10,60850.41%
Male10,43449.59%

Shelby County, Illinois Population by Age

Shelby County, Illinois Renter vs Owner Occupied by Household Type

Household Type
Count
Average Size
Owner
Renter
All8,7622.3879.220.8
Married4,8312.8987.812.2
Non Family2,8241.1970.229.8
Female7283.2865.834.2
Male3792.9662.837.2

2.88

Average Family Size

2.38

Average Household Size

79.2%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

Shelby County, Illinois Households and Families

Male

Female

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Education Attained
Count
Percentage
Less Than 9th Grade2511.66%
9th to 12th Grade6714.45%
High School Graduate6,40642.49%
Some College3,17621.07%
Associates Degree1,81712.05%
Bachelors Degree1,98613.17%
Graduate Degree7705.11%

Less Than 9th Grade

9th to 12th Grade

High School Graduate

Some College

Associates Degree

Bachelors Degree

Graduate Degree

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

Shelby County, Illinois Educational Attainment by Race

High School Graduation Rate

Bachelors Rate

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Race
Total
High School
Bachelors
White14,70913,8112,679
Hispanic14913326
2+ Races13913127
Black52505
Asian504839
Other Race44446
Native American26260

The highest rate of high school graduation is among native american people with a rate of 100%.

The highest rate of bachelors degrees is among asian people with a rate of 78%.

Shelby County, Illinois Educational Attainment by Race

All

Male

Female

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Name
Average
Male
Female
Overall$44,330$48,398$36,560
Less Than 9th Grade$0$0$11,324
High School Graduate$42,265$48,912$29,189
Some College$38,998$51,420$27,193
Bachelors Degree$52,530$47,004$56,279
Graduate Degree$63,235$79,000$61,750

$44,330

Average Earnings

$48,398

Average Male

$36,560

Average Female

Shelby County, Illinois Earnings by Educational Attainment

Shelby County, Illinois Language by Age

Only English

Spanish

Other Indo-European Languages

Asian and Pacific Island Languages

Other Languages

Shelby County, Illinois Language

98.02% of Shelby County, Illinois residents speak only English, while 1.98% speak other languages. The non-English language spoken by the largest group is Other Indo-European, which is spoken by 0.95% of the population.

Shelby County, Illinois Language

Shelby County, Illinois Poverty by Race

rate

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Name
Total
In Poverty
Poverty Rate
White20,1042,06310.26%
Hispanic2495120.48%
Black492244.9%
Multiple33472.1%

10.27%

Overall Poverty Rate

11.25%

Male Poverty Rate

9.3%

Female Poverty Rate

Poverty in Shelby County, Illinois

The race most likely to be in poverty in Shelby County, Illinois is Black, with 44.9% below the poverty level.

The race least likely to be in poverty in Shelby County, Illinois is Multiple, with 2.1% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 2.17%. Among those working part-time, it was 17.17%, and for those that did not work, the poverty rate was 16.15%.

Shelby County, Illinois Poverty

rate

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Rate
Poverty
Less Than 9th Grade28.34%
High School11.55%
Some College8.9%
Bachelors or Greater2.4%

Shelby County, Illinois Poverty Rate by Education

rate

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Rate
Poverty
Female Unemployed40.74%
Male Unemployed17.05%
Male Employed7.35%
Female Employed6.91%

Shelby County, Illinois Poverty Rate by Employment Status and Sex

Shelby County, Illinois Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

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Name
Median
Mean
Households$65,585$76,869
Families$78,188$89,357
Married Families$88,033$-999,999,999
Non Families$41,615$48,365

mean

median

Income by Household Type

Shelby County, Illinois Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

57.1%

Overall Marriage Rate

58.7%

Male Marriage Rate

55.4%

Female Marriage Rate

Shelby County, Illinois Married by Age and Sex

male

female

Shelby 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.

Shelby County, Illinois Marital Status by Race

Married

Widowed

Divorced

Separated

NeverMarried

Shelby County, Illinois Marital Status

Second Gulf War

First Gulf War

Vietnam

Korea

World War II

1,455

Number of Veterans

1,326

Male Veterans

129

Female Veterans

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War
Veterans
Vietnam612
First Gulf War271
Second Gulf War205
Korea117
World War II77

Shelby County, Illinois Veterans by War

count

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Age Group
Veterans
65 to 74455
75+450
35 to 54281
55 to 64199
18 to 3470

Shelby County, Illinois Veterans by Age

count

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Name
Veterans
% of Total
White1,4128.74%
Hispanic4224.42%
2+ Races2718.37%
Other Race1121.57%
Native American412.12%
Asian12%

Shelby County, Illinois Veterans by Race

Shelby County, Illinois Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

13.7%

Veteran Poverty Rate

35.85%

Veteran Disability Rate

Shelby County, Illinois Veterans by Education

LaborForceParticipation

62.3%

Labor Force Participation

59.8%

Employment Rate

4%

Unemployment Rate

Shelby County, Illinois Employment by Age

LaborForceParticipation

Shelby County, Illinois Employment by Race

LaborForceParticipation

Shelby 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

88.06%

Born in Shelby County, Illinois

98.85%

Native Born

1.15%

Foreign Born

0.52%

Non Citizen

0.64%

Naturalized

Place of Birth

98.85% of Shelby County, Illinois residents were born in the United States, with 88.06% having been born in Illinois. 0.52% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Europe.

Shelby County, Illinois Place of Birth

Sources