Sullivan County, Indiana Population 2024

20,843

Sullivan County, Indiana's estimated 2024 population is 20,843 with a growth rate of 0.41% in the past year according to the most recent United States census data. Sullivan County, Indiana is the 69th largest county in Indiana. The 2010 population was 21,387 and has seen a growth of -2.54% since that time.

Note: data after 2022 is projected based on recent change
Year
Population
Growth
Change
202921,273860.41%
202821,187860.41%
202721,101860.41%
202621,015860.41%
202520,929860.41%
202420,843860.41%
202320,757860.42%
202220,671-106-0.51%
202120,777-35-0.17%
202020,8122111.02%
201920,601-72-0.35%
201820,673-17-0.08%
201720,690-5-0.02%
201620,695-179-0.86%
201520,874-120-0.57%
201420,994-144-0.68%
201321,138-64-0.3%
201221,202-14-0.07%
201121,216-171-0.8%
201021,38700%
199018,993-2,114-10.02%
198021,1071,2186.12%
197019,889-1,832-8.43%
196021,721-1,946-8.22%
195023,667-3,347-12.39%
194027,014-1,119-3.98%
193028,133-3,497-11.06%
192031,630-809-2.49%
191032,4396,43424.74%
190026,0054,12818.87%
189021,8771,5417.58%
188020,3361,88310.2%
187018,4533,38922.5%
186015,0644,92348.55%
185010,1411,82621.96%
18408,3153,68579.59%
18304,6301,13232.36%
18203,498-17,775-83.56%
2024 Growth Rate
0.41% (86)
State
Indiana
County Seat
Sullivan
2020 Population
20,812
Area
447 mi²
Density
47 people/mi²
Growth Since 2020
0.15% (31)
Founded
January 15, 1817

Population by Race

Race
Population
Percentage (of total)
White18,99091.34%
Two or more races8354.02%
Black or African American7543.63%
Other race1680.81%
Asian230.11%
Native American150.07%
Native Hawaiian or Pacific Islander60.03%

White

Two or more races

Black or African American

Other race

Asian

Native American

Native Hawaiian or Pacific Islander

Sullivan County, Indiana Population by Race

Sullivan County, Indiana Population Pyramid 2024

Sullivan County, Indiana Median Age

40.9

Total

40

Male

42.9

Female

Sullivan County, Indiana Adults

There are 16,660 adults, (3,790 of whom are seniors) in Sullivan County, Indiana.

Sullivan County, Indiana Age Dependency

61.5

Age Dependency Ratio

29.4

Old Age Dependency Ratio

32.1

Child Dependency Ratio

Sullivan County, Indiana Sex Ratio

Female9,65146.42%
Male11,14053.58%

Sullivan County, Indiana Population by Age

Sullivan County, Indiana Renter vs Owner Occupied by Household Type

Household Type
Count
Average Size
Owner
Renter
All7,7092.4375.924.1
Married3,9632.8988.611.4
Non Family2,3881.263.536.5
Female9742.9749.350.7
Male3843.9190.19.9

2.87

Average Family Size

2.43

Average Household Size

75.9%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

Sullivan County, Indiana Households and Families

Male

Female

Education Attained
Count
Percentage
9th to 12th Grade1,1847.91%
Associates Degree2,07113.83%
Bachelors Degree1,4139.44%
Graduate Degree6594.4%
High School Graduate6,30142.09%
Less Than 9th Grade4853.24%
Some College2,85919.1%

Less Than 9th Grade

9th to 12th Grade

High School Graduate

Some College

Associates Degree

Bachelors Degree

Graduate Degree

Sullivan County, Indiana Educational Attainment by Sex (over 25)

Sullivan County, Indiana Educational Attainment by Race

High School Graduation Rate

Bachelors Rate

Race
Total
High School
Bachelors
White13,75812,3912,002
Black59348722
2+ Races3792759
Hispanic23720634
Other Race1607734
Asian23235
Native American15150

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 21.74%.

Sullivan County, Indiana Educational Attainment by Race

All

Male

Female

Name
Average
Male
Female
Bachelors Degree$42,557$51,131$40,149
Graduate Degree$75,921$83,146$70,288
High School Graduate$31,728$36,568$23,621
Less Than 9th Grade$12,366$16,109$8,880
Overall$36,694$42,236$31,077
Some College$39,908$45,504$33,932

$36,694

Average Earnings

$42,236

Average Male

$31,077

Average Female

Sullivan County, Indiana Earnings by Educational Attainment

Sullivan County, Indiana Language by Age

Only English

Spanish

Other Indo-European Languages

Asian and Pacific Island Languages

Other Languages

Sullivan County, Indiana Language

98.15% of Sullivan County, Indiana residents speak only English, while 1.85% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 1.32% of the population.

Sullivan County, Indiana Language

Sullivan County, Indiana Poverty by Race

rate

Name
Total
In Poverty
Poverty Rate
White17,5442,00411.42%
Multiple68713820.09%
Black888090.91%
Hispanic3204112.81%
Other1642314.02%
Islander66100%

12.17%

Overall Poverty Rate

10.57%

Male Poverty Rate

13.69%

Female Poverty Rate

Poverty in Sullivan County, Indiana

The race most likely to be in poverty in Sullivan County, Indiana is Islander, with 100% below the poverty level.

The race least likely to be in poverty in Sullivan County, Indiana is White, with 11.42% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 1.47%. Among those working part-time, it was 15.43%, and for those that did not work, the poverty rate was 19.09%.

Sullivan County, Indiana Poverty

rate

Rate
Poverty
Less Than 9th Grade19.51%
High School12.84%
Some College6.27%
Bachelors or Greater3.73%

Sullivan County, Indiana Poverty Rate by Education

rate

Rate
Poverty
Female Unemployed47.46%
Male Unemployed31.82%
Female Employed7.39%
Male Employed3.44%

Sullivan County, Indiana Poverty Rate by Employment Status and Sex

Sullivan County, Indiana Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

Name
Median
Mean
Families$70,981$78,997
Households$54,556$70,658
Married Families$82,297$-999,999,999
Non Families$36,600$46,853

mean

median

Income by Household Type

Sullivan County, Indiana Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

49.2%

Overall Marriage Rate

45.3%

Male Marriage Rate

53.8%

Female Marriage Rate

Sullivan County, Indiana Married by Age and Sex

male

female

Sullivan County, Indiana 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.

Sullivan County, Indiana Marital Status by Race

Married

Widowed

Divorced

Separated

NeverMarried

Sullivan County, Indiana Marital Status

Second Gulf War

First Gulf War

Vietnam

Korea

World War II

1,345

Number of Veterans

1,190

Male Veterans

155

Female Veterans

War
Veterans
Vietnam537
First Gulf War274
Second Gulf War196
Korea79
World War II9

Sullivan County, Indiana Veterans by War

count

Age Group
Veterans
65 to 74376
55 to 64316
75+273
35 to 54266
18 to 34114

Sullivan County, Indiana Veterans by Age

count

Name
Veterans
% of Total
White1,2758.34%
Black253.37%
2+ Races255.75%
Other Race148.75%
Native American640%
Hispanic62.22%

Sullivan County, Indiana Veterans by Race

Sullivan County, Indiana Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

7.08%

Veteran Poverty Rate

32.69%

Veteran Disability Rate

Sullivan County, Indiana Veterans by Education

LaborForceParticipation

54.9%

Labor Force Participation

52.2%

Employment Rate

5%

Unemployment Rate

Sullivan County, Indiana Employment by Age

LaborForceParticipation

Sullivan County, Indiana Employment by Race

LaborForceParticipation

Sullivan County, Indiana 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

78.67%

Born in Sullivan County, Indiana

99.37%

Native Born

0.63%

Foreign Born

0.37%

Non Citizen

0.26%

Naturalized

Place of Birth

99.37% of Sullivan County, Indiana residents were born in the United States, with 78.67% having been born in Indiana. 0.37% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.

Sullivan County, Indiana Place of Birth

Sources