Knox County, Indiana Population 2024

35,439

Knox County, Indiana's estimated 2024 population is 35,439 with a growth rate of -0.49% in the past year according to the most recent United States census data. Knox County, Indiana is the 44th largest county in Indiana. The 2010 population was 38,394 and has seen a growth of -7.7% since that time.

Note: data after 2022 is projected based on recent change

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Year
Population
Growth
Growth Rate
202934,564-175-0.5%
202834,739-175-0.5%
202734,914-175-0.5%
202635,089-175-0.5%
202535,264-175-0.49%
202435,439-175-0.49%
202335,614-175-0.49%
202235,789-175-0.49%
202135,964-284-0.78%
202036,248-355-0.97%
201936,60310%
201836,602-468-1.26%
201737,070-297-0.79%
201637,367-417-1.1%
201537,784-195-0.51%
201437,979-91-0.24%
201338,070840.22%
201237,986-493-1.28%
201138,479850.22%
201038,39400%
199039,884-1,954-4.67%
198041,8382920.7%
197041,546-15-0.04%
196041,561-1,854-4.27%
195043,415-558-1.27%
194043,9731600.37%
193043,813-2,382-5.16%
192046,1957,01217.9%
191039,1836,43719.66%
190032,7464,70216.77%
189028,0441,7206.53%
188026,3244,76222.09%
187021,5625,50634.29%
186016,0564,97244.86%
185011,0844274.01%
184010,6574,13263.33%
18306,5251,08820.01%
18205,437-2,508-31.57%
18107,9455,428215.65%
18002,517-32,047-92.72%
showing: 40 rows
2024 Growth Rate
-0.49% (-175)
County Website
Knox County
State
Indiana
County Seat
2020 Population
36,248
Area
516 mi²
Density
69 people/mi²
Growth Since 2020
-2.23% (-809)
Founded
June 6, 1790

Knox County, Indiana Population 2024

Population by Race

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Race
Population
Percentage (of total)
White33,15591.72%
Two or more races1,4253.94%
Black or African American8332.3%
Asian3380.94%
Other race3370.93%
Native Hawaiian or Pacific Islander410.11%
Native American190.05%

White

Two or more races

Black or African American

Asian

Other race

Native Hawaiian or Pacific Islander

Native American

Knox County, Indiana Population by Race

Knox County, Indiana Population Pyramid 2024

Knox County, Indiana Median Age

38.9

Total

37.7

Male

40

Female

Knox County, Indiana Adults

There are 28,434 adults, (6,528 of whom are seniors) in Knox County, Indiana.

Knox County, Indiana Age Dependency

65

Age Dependency Ratio

29.8

Old Age Dependency Ratio

35.2

Child Dependency Ratio

Knox County, Indiana Sex Ratio

Female17,76349.14%
Male18,38550.86%

Knox County, Indiana Population by Age

Knox County, Indiana Renter vs Owner Occupied by Household Type

Household Type
Count
Average Size
Owner
Renter
All14,9432.2965.534.5
Married7,4272.9985.214.8
Non Family5,4441.1748.951.1
Female1,2292.8436.463.6
Male8432.694258

2.87

Average Family Size

2.29

Average Household Size

65.5%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

Knox County, Indiana Households and Families

Male

Female

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Less Than 9th Grade

9th to 12th Grade

High School Graduate

Some College

Associates Degree

Bachelors Degree

Graduate Degree

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

Knox County, Indiana Educational Attainment by Race

High School Graduation Rate

Bachelors Rate

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The highest rate of high school graduation is among 2+ races people with a rate of 96.37%.

The highest rate of bachelors degrees is among asian people with a rate of 21.3%.

Knox County, Indiana Educational Attainment by Race

All

Male

Female

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$41,495

Average Earnings

$47,946

Average Male

$34,340

Average Female

Knox County, Indiana Earnings by Educational Attainment

Knox County, Indiana Language by Age

Only English

Spanish

Other Indo-European Languages

Asian and Pacific Island Languages

Other Languages

Knox County, Indiana Language

96.11% of Knox County, Indiana residents speak only English, while 3.89% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 1.66% of the population.

Knox County, Indiana Language

Knox County, Indiana Poverty by Race

rate

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Name
Total
In Poverty
Poverty Rate
White31,1823,70011.87%
Hispanic89348654.42%
Multiple1,38325718.58%
Other32121667.29%
Black63710917.11%
Asian26982.97%

13.21%

Overall Poverty Rate

9.7%

Male Poverty Rate

16.77%

Female Poverty Rate

Poverty in Knox County, Indiana

The race most likely to be in poverty in Knox County, Indiana is Other, with 67.29% below the poverty level.

The race least likely to be in poverty in Knox County, Indiana is Asian, with 2.97% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 3.05%. Among those working part-time, it was 18.89%, and for those that did not work, the poverty rate was 22.35%.

Knox County, Indiana Poverty

rate

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Rate
Poverty
Less Than 9th Grade28.8%
High School12.9%
Some College8.12%
Bachelors or Greater3.61%

Knox County, Indiana Poverty Rate by Education

rate

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Rate
Poverty
Female Unemployed29.63%
Female Employed9.39%
Male Employed4.53%
Male Unemployed3.74%

Knox County, Indiana Poverty Rate by Employment Status and Sex

Knox County, Indiana Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

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mean

median

Income by Household Type

Knox County, Indiana Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

52.0%

Overall Marriage Rate

53.8%

Male Marriage Rate

50.3%

Female Marriage Rate

Knox County, Indiana Married by Age and Sex

male

female

Knox County, Indiana 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 45-54.

Knox County, Indiana Marital Status by Race

Married

Widowed

Divorced

Separated

NeverMarried

Knox County, Indiana Marital Status

Second Gulf War

First Gulf War

Vietnam

Korea

World War II

1,847

Number of Veterans

1,710

Male Veterans

137

Female Veterans

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Knox County, Indiana Veterans by War

count

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Knox County, Indiana Veterans by Age

count

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Knox County, Indiana Veterans by Race

Knox County, Indiana Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

7.31%

Veteran Poverty Rate

39.69%

Veteran Disability Rate

Knox County, Indiana Veterans by Education

LaborForceParticipation

63.3%

Labor Force Participation

61.3%

Employment Rate

3.2%

Unemployment Rate

Knox County, Indiana Employment by Age

LaborForceParticipation

Knox County, Indiana Employment by Race

LaborForceParticipation

Knox 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

79.03%

Born in Knox County, Indiana

98.01%

Native Born

1.99%

Foreign Born

1.66%

Non Citizen

0.33%

Naturalized

Place of Birth

98.01% of Knox County, Indiana residents were born in the United States, with 79.03% having been born in Indiana. 1.66% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.

Knox County, Indiana Place of Birth

Sources