Knox County, Missouri Population 2024

3,669

Knox County, Missouri's estimated 2024 population is 3,669 with a growth rate of -1.45% in the past year according to the most recent United States census data. Knox County, Missouri is the 113th largest county in Missouri. The 2010 population was 4,125 and has seen a growth of -11.05% since that time.

Note: data after 2022 is projected based on recent change
Year
Population
Growth
Change
20293,399-54-1.56%
20283,453-54-1.54%
20273,507-54-1.52%
20263,561-54-1.49%
20253,615-54-1.47%
20243,669-54-1.45%
20233,723-54-1.43%
20223,777-8-0.21%
20213,785461.23%
20203,739-218-5.51%
20193,957140.36%
20183,943-28-0.71%
20173,971421.07%
20163,929220.56%
20153,907-87-2.18%
20143,994-66-1.63%
20134,060-31-0.76%
20124,091-35-0.85%
20114,12610.02%
20104,12500%
19904,482-1,026-18.63%
19805,508-184-3.23%
19705,692-866-13.21%
19606,558-1,059-13.9%
19507,617-1,261-14.2%
19408,878-780-8.08%
19309,658-1,125-10.43%
192010,783-1,620-13.06%
191012,403-1,076-7.98%
190013,479-22-0.16%
189013,5014543.48%
188013,0472,07318.89%
187010,9742,24725.75%
18608,7275,833201.55%
18502,894-505-14.86%
2024 Growth Rate
-1.45% (-54)
County Website
Knox County
County Seat
Edina
2020 Population
3,739
Area
504 mi²
Density
7 people/mi²
Growth Since 2020
-1.87% (-70)
Founded
February 14, 1845

Population by Race

Race
Population
Percentage (of total)
White3,58495.32%
Native Hawaiian or Pacific Islander721.91%
Two or more races591.57%
Black or African American340.9%
Asian80.21%
Other race20.05%
Native American10.03%

White

Native Hawaiian or Pacific Islander

Two or more races

Black or African American

Asian

Other race

Native American

Knox County, Missouri Population by Race

Knox County, Missouri Population Pyramid 2024

Knox County, Missouri Median Age

39.8

Total

38.4

Male

43.4

Female

Knox County, Missouri Adults

There are 2,831 adults, (790 of whom are seniors) in Knox County, Missouri.

Knox County, Missouri Age Dependency

84.2

Age Dependency Ratio

38.7

Old Age Dependency Ratio

45.5

Child Dependency Ratio

Knox County, Missouri Sex Ratio

Female1,84849.15%
Male1,91250.85%

Knox County, Missouri Population by Age

Knox County, Missouri Renter vs Owner Occupied by Household Type

Household Type
Count
Average Size
Owner
Renter
All1,214385.914.1
Married6224.1393.46.6
Non Family4951.327624
Female595.2483.116.9
Male382.8797.42.6

4.06

Average Family Size

3

Average Household Size

85.9%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

Knox County, Missouri Households and Families

Male

Female

Education Attained
Count
Percentage
9th to 12th Grade2228.84%
Associates Degree28011.16%
Bachelors Degree2449.72%
Graduate Degree1807.17%
High School Graduate1,03041.04%
Less Than 9th Grade2088.29%
Some College34613.78%

Less Than 9th Grade

9th to 12th Grade

High School Graduate

Some College

Associates Degree

Bachelors Degree

Graduate Degree

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

Knox County, Missouri Educational Attainment by Race

High School Graduation Rate

Bachelors Rate

Race
Total
High School
Bachelors
White2,4662,048405
2+ Races22219
Black1211
Asian777
Other Race222
Hispanic222
Islander110

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

The highest rate of bachelors degrees is among asian people with a rate of 100%.

Knox County, Missouri Educational Attainment by Race

All

Male

Female

Name
Average
Male
Female
Bachelors Degree$40,375$51,115$32,917
Graduate Degree$45,531$0$45,094
High School Graduate$36,140$37,396$32,019
Less Than 9th Grade$0$0$30,625
Overall$36,728$39,050$35,145
Some College$41,250$44,141$25,125

$36,728

Average Earnings

$39,050

Average Male

$35,145

Average Female

Knox County, Missouri Earnings by Educational Attainment

Knox County, Missouri Language by Age

Only English

Spanish

Other Indo-European Languages

Asian and Pacific Island Languages

Other Languages

Knox County, Missouri Language

98.06% of Knox County, Missouri residents speak only English, while 1.94% speak other languages. The non-English language spoken by the largest group is Other Indo-European, which is spoken by 1.24% of the population.

Knox County, Missouri Language

Knox County, Missouri Poverty by Race

rate

Name
Total
In Poverty
Poverty Rate
White3,49548713.93%
Multiple592847.46%
Black232295.65%

14.68%

Overall Poverty Rate

16.5%

Male Poverty Rate

12.8%

Female Poverty Rate

Poverty in Knox County, Missouri

The race most likely to be in poverty in Knox County, Missouri is Black, with 95.65% below the poverty level.

The race least likely to be in poverty in Knox County, Missouri is White, with 13.93% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 3.21%. Among those working part-time, it was 26.96%, and for those that did not work, the poverty rate was 21.63%.

Knox County, Missouri Poverty

rate

Rate
Poverty
Less Than 9th Grade18.62%
High School17.19%
Some College16.77%
Bachelors or Greater7.6%

Knox County, Missouri Poverty Rate by Education

rate

Rate
Poverty
Male Unemployed100%
Female Employed9.08%
Male Employed6.64%
Female Unemployed0%

Knox County, Missouri Poverty Rate by Employment Status and Sex

Knox County, Missouri Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

Name
Median
Mean
Families$69,679$89,155
Households$53,333$67,196
Married Families$73,421$-999,999,999
Non Families$25,855$34,845

mean

median

Income by Household Type

Knox County, Missouri Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

45.9%

Overall Marriage Rate

43.8%

Male Marriage Rate

48.2%

Female Marriage Rate

Knox County, Missouri Married by Age and Sex

male

female

Knox County, Missouri 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 35-44.

Knox County, Missouri Marital Status by Race

Married

Widowed

Divorced

Separated

NeverMarried

Knox County, Missouri Marital Status

Second Gulf War

First Gulf War

Vietnam

Korea

World War II

296

Number of Veterans

289

Male Veterans

7

Female Veterans

War
Veterans
First Gulf War80
Second Gulf War79
Vietnam79
Korea4
World War II1

Knox County, Missouri Veterans by War

count

Age Group
Veterans
55 to 6498
75+78
35 to 5465
65 to 7454
18 to 341

Knox County, Missouri Veterans by Age

count

Name
Veterans
% of Total
White29310.6%
2+ Races29.09%
Islander1100%

Knox County, Missouri Veterans by Race

Knox County, Missouri Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

1.02%

Veteran Poverty Rate

19.11%

Veteran Disability Rate

Knox County, Missouri Veterans by Education

LaborForceParticipation

55.3%

Labor Force Participation

53.1%

Employment Rate

4.1%

Unemployment Rate

Knox County, Missouri Employment by Age

LaborForceParticipation

Knox County, Missouri Employment by Race

LaborForceParticipation

Knox County, Missouri 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

70.08%

Born in Knox County, Missouri

99.68%

Native Born

0.32%

Foreign Born

0.11%

Non Citizen

0.21%

Naturalized

Place of Birth

99.68% of Knox County, Missouri residents were born in the United States, with 70.08% having been born in Missouri. 0.11% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Asia.

Knox County, Missouri Place of Birth

Sources