Knox County, Indiana Population 2024

36,264

Knox County, Indiana's estimated 2024 population is 36,264 with a growth rate of 0.54% 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 -5.55% since that time.

Note: data after 2022 is projected based on recent change
Year
Population
Growth
Change
202937,2341940.52%
202837,0401940.53%
202736,8461940.53%
202636,6521940.53%
202536,4581940.53%
202436,2641940.54%
202336,0701940.54%
202235,876-100-0.28%
202135,976-280-0.77%
202036,256-347-0.95%
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%
18002,517-34,717-93.24%
2024 Growth Rate
0.54% (194)
County Website
Knox County
State
Indiana
County Seat
Vincennes
2020 Population
36,256
Area
516 mi²
Density
70 people/mi²
Growth Since 2020
0.02% (8)
Founded
June 6, 1790

Population by Race

Race
Population
Percentage (of total)
White32,67890.5%
Two or more races2,0825.77%
Black or African American5711.58%
Other race3761.04%
Asian3430.95%
Native American580.16%
Native Hawaiian or Pacific Islander00%

White

Two or more races

Black or African American

Other race

Asian

Native American

Native Hawaiian or Pacific Islander

Knox County, Indiana Population by Race

Knox County, Indiana Population Pyramid 2024

Knox County, Indiana Median Age

39.1

Total

38.2

Male

40.7

Female

Knox County, Indiana Adults

There are 28,282 adults, (6,649 of whom are seniors) in Knox County, Indiana.

Knox County, Indiana Age Dependency

66.9

Age Dependency Ratio

30.7

Old Age Dependency Ratio

36.2

Child Dependency Ratio

Knox County, Indiana Sex Ratio

Female17,76049.19%
Male18,34850.81%

Knox County, Indiana Population by Age

Knox County, Indiana Renter vs Owner Occupied by Household Type

Household Type
Count
Average Size
Owner
Renter
All15,1102.2765.934.1
Married6,9943.0285.714.3
Non Family5,9021.175248
Female1,3082.8235.664.4
Male9062.874753

2.91

Average Family Size

2.27

Average Household Size

65.9%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

Knox County, Indiana Households and Families

Male

Female

Education Attained
Count
Percentage
9th to 12th Grade1,7137.07%
Associates Degree3,75615.49%
Bachelors Degree2,74911.34%
Graduate Degree1,5636.45%
High School Graduate8,72736%
Less Than 9th Grade6882.84%
Some College5,04620.82%

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

Race
Total
High School
Bachelors
White22,29120,1054,023
2+ Races1,1411,116229
Hispanic48838659
Black33229912
Asian19116148
Other Race116590
Native American58330

The highest rate of high school graduation is among 2+ races people with a rate of 97.81%.

The highest rate of bachelors degrees is among asian people with a rate of 25.13%.

Knox County, Indiana Educational Attainment by Race

All

Male

Female

Name
Average
Male
Female
Bachelors Degree$54,718$67,875$46,604
Graduate Degree$70,473$64,500$70,900
High School Graduate$36,383$43,413$25,786
Less Than 9th Grade$30,405$39,471$23,662
Overall$42,280$49,305$36,269
Some College$43,889$53,683$38,639

$42,280

Average Earnings

$49,305

Average Male

$36,269

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

96.1% of Knox County, Indiana residents speak only English, while 3.9% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 1.96% of the population.

Knox County, Indiana Language

Knox County, Indiana Poverty by Race

rate

Name
Total
In Poverty
Poverty Rate
White31,0033,95112.74%
Multiple2,01028714.28%
Hispanic95826327.45%
Other35823064.25%
Black44412127.25%

13.39%

Overall Poverty Rate

10.79%

Male Poverty Rate

16%

Female Poverty Rate

Poverty in Knox County, Indiana

The race most likely to be in poverty in Knox County, Indiana is Other, with 64.25% below the poverty level.

The race least likely to be in poverty in Knox County, Indiana is White, with 12.74% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 2.84%. Among those working part-time, it was 17.65%, and for those that did not work, the poverty rate was 24.27%.

Knox County, Indiana Poverty

rate

Rate
Poverty
Less Than 9th Grade36.45%
High School12.05%
Some College9.93%
Bachelors or Greater3.16%

Knox County, Indiana Poverty Rate by Education

rate

Rate
Poverty
Female Unemployed42.28%
Male Unemployed10.12%
Female Employed7.75%
Male Employed4.76%

Knox County, Indiana Poverty Rate by Employment Status and Sex

Knox County, Indiana Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

Name
Median
Mean
Families$79,022$96,659
Households$58,863$80,327
Married Families$93,739$111,383
Non Families$37,316$51,785

mean

median

Income by Household Type

Knox County, Indiana Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

49.5%

Overall Marriage Rate

50.8%

Male Marriage Rate

48.1%

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

1,759

Number of Veterans

1,627

Male Veterans

132

Female Veterans

War
Veterans
Vietnam735
First Gulf War466
Second Gulf War348
Korea53
World War II8

Knox County, Indiana Veterans by War

count

Age Group
Veterans
65 to 74491
75+472
55 to 64406
35 to 54282
18 to 34108

Knox County, Indiana Veterans by Age

count

Name
Veterans
% of Total
White1,6156.22%
2+ Races1108.18%
Hispanic518.61%
Other Race2614.29%
Black81.73%

Knox County, Indiana Veterans by Race

Knox County, Indiana Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

7.88%

Veteran Poverty Rate

40.52%

Veteran Disability Rate

Knox County, Indiana Veterans by Education

LaborForceParticipation

63%

Labor Force Participation

61.4%

Employment Rate

2.5%

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

80.48%

Born in Knox County, Indiana

97.94%

Native Born

2.06%

Foreign Born

1.64%

Non Citizen

0.42%

Naturalized

Place of Birth

97.94% of Knox County, Indiana residents were born in the United States, with 80.48% having been born in Indiana. 1.64% 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