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)
White3,54694.01%
Two or more races922.44%
Asian731.94%
Black or African American451.19%
Native American70.19%
Other race70.19%
Native Hawaiian or Pacific Islander20.05%

White

Two or more races

Asian

Black or African American

Native American

Other race

Native Hawaiian or Pacific Islander

Knox County, Missouri Population by Race

Knox County, Missouri Population Pyramid 2024

Knox County, Missouri Median Age

41.9

Total

40.4

Male

42.6

Female

Knox County, Missouri Adults

There are 2,876 adults, (785 of whom are seniors) in Knox County, Missouri.

Knox County, Missouri Age Dependency

80.4

Age Dependency Ratio

37.5

Old Age Dependency Ratio

42.9

Child Dependency Ratio

Knox County, Missouri Sex Ratio

Female1,87349.66%
Male1,89950.34%

Knox County, Missouri Population by Age

Knox County, Missouri Renter vs Owner Occupied by Household Type

Household Type
Count
Average Size
Owner
Renter
All1,1543.178515
Married6264.3394.25.8
Non Family4401.1273.226.8
Female625.4574.225.8
Male264.4688.511.5

4.37

Average Family Size

3.17

Average Household Size

85.0%

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 Grade1997.97%
Associates Degree2399.57%
Bachelors Degree2449.77%
Graduate Degree1556.2%
High School Graduate1,08743.51%
Less Than 9th Grade1716.85%
Some College40316.13%

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
White2,4362,084368
2+ Races21187
Black2166
Asian111111
Other Race777
Hispanic777
Islander220

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$36,071$49,896$33,068
Graduate Degree$38,365$64,028$0
High School Graduate$28,750$32,768$27,784
Less Than 9th Grade$0$0$0
Overall$27,007$34,853$21,202
Some College$22,702$42,679$14,407

$27,007

Average Earnings

$34,853

Average Male

$21,202

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

96.05% of Knox County, Missouri residents speak only English, while 3.95% speak other languages. The non-English language spoken by the largest group is Other Indo-European, which is spoken by 3% of the population.

Knox County, Missouri Language

Knox County, Missouri Poverty by Race

rate

Name
Total
In Poverty
Poverty Rate
White3,49440811.68%
Multiple923942.39%
Black342367.65%

12.68%

Overall Poverty Rate

12.87%

Male Poverty Rate

12.48%

Female Poverty Rate

Poverty in Knox County, Missouri

The race most likely to be in poverty in Knox County, Missouri is Black, with 67.65% below the poverty level.

The race least likely to be in poverty in Knox County, Missouri is White, with 11.68% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 2.75%. Among those working part-time, it was 19.03%, and for those that did not work, the poverty rate was 18.9%.

Knox County, Missouri Poverty

rate

Rate
Poverty
Less Than 9th Grade24.3%
High School16.15%
Some College7.89%
Bachelors or Greater4.79%

Knox County, Missouri Poverty Rate by Education

rate

Rate
Poverty
Male Unemployed82.14%
Female Unemployed28.57%
Female Employed8.95%
Male Employed5.03%

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$70,469$83,498
Households$49,167$63,736
Married Families$76,071$-999,999,999
Non Families$22,222$31,118

mean

median

Income by Household Type

Knox County, Missouri Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

44.9%

Overall Marriage Rate

42.4%

Male Marriage Rate

47.4%

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 Over 65, while the female age group most likely to be married is 45-54.

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

267

Number of Veterans

262

Male Veterans

5

Female Veterans

War
Veterans
Vietnam101
Second Gulf War66
First Gulf War65
Korea4
World War II1

Knox County, Missouri Veterans by War

count

Age Group
Veterans
75+82
65 to 7475
35 to 5454
55 to 6454
18 to 342

Knox County, Missouri Veterans by Age

count

Name
Veterans
% of Total
White2629.63%
2+ Races314.29%
Islander2100%

Knox County, Missouri Veterans by Race

Knox County, Missouri Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

4.55%

Veteran Poverty Rate

18.18%

Veteran Disability Rate

Knox County, Missouri Veterans by Education

LaborForceParticipation

55.6%

Labor Force Participation

54.5%

Employment Rate

2.1%

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

70.17%

Born in Knox County, Missouri

97.75%

Native Born

2.25%

Foreign Born

1.83%

Non Citizen

0.42%

Naturalized

Place of Birth

97.75% of Knox County, Missouri residents were born in the United States, with 70.17% having been born in Missouri. 1.83% 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