Knox County, Missouri Population 2021

Knox County, Missouri's estimated population is 3,947 with a growth rate of -0.15% in the past year according to the most recent United States census data. Knox County, Missouri is the 114th largest county inMissouri. The 2010 Population was 4,125 and has seen a growth of -4.32% since this time.

Note: 2020 and 2021 data is projected
Year Population Growth Annual Growth Rate
20213,947-6-0.15%
20203,953-6-0.15%
20193,959-6-0.15%
20183,965-5-0.13%
20173,970370.94%
20163,933260.67%
20153,907-86-2.15%
20143,993-67-1.65%
20134,060-30-0.73%
20124,090-35-0.85%
20114,1250.00%
20104,125-357-7.97%
19904,482-1,026-18.63%
19805,508-184-3.23%
19705,692-866-13.21%
19606,558-1,059-13.90%
19507,617-1,261-14.20%
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%
18502,8940.00%
2021 Growth Rate
-0.15% (-6)
County Website
Founded
February 14, 1845
County Seat
2010 Population
4,125
Growth Since 2010
-4.32% (-178)
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Knox County, Missouri Population Growth

Population by Race

Race Population Percentage
White3,80496.38%
Two or More Races761.93%
Asian240.61%
Some Other Race230.58%
Black or African American180.46%
Native Hawaiian and Other Pacific Islander20.05%
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Knox County, Missouri Population by Race

Knox County, Missouri Population Pyramid $2021

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Knox County, Missouri Median Age

44.1


Total

43.1


Male

45.3


Female

Knox County, Missouri Adults

There are 3,004 adults, (847 of whom are seniors) in Knox County, Missouri.

Knox County, Missouri Age Dependency

83

Age Dependency Ratio

39.3

Old Age Dependency Ratio

43.7

Child Dependency Ratio

Knox County, Missouri Sex Ratio

Female

1,970

49.91%

Male

1,977

50.09%

Knox County, Missouri Population by Age

Knox County, Missouri Renter vs Owner Occupied by Household Type

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Knox County, Missouri Household Types

Type Owner Renter
Female72%28%
Male73.5%26.5%
Non Family73.7%26.3%
All82.6%17.4%
Married91.3%8.7%

82.6%

Rate of Home Ownership

Knox County, Missouri Households and Families

Type Count Average Size Owned
All1,4902.5982.6
Married7673.2991.3
Non Family5561.1873.7
Female1183.9772
Male494.1473.5

3.36

Average Family Size

2.59

Average Household Size

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Knox County, Missouri Households by Type

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Education Attained Count Percentage
Less Than 9th Grade1917.14%
9th to 12th Grade1605.98%
High School Graduate1,15543.19%
Some College54020.19%
Associates Degree1686.28%
Bachelors Degree31111.63%
Graduate Degree1495.57%
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Knox County, Missouri Educational Attainment by Sex (over 25)

Knox County, Missouri Educational Attainment by Race

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Race Total High School Bachelors
White2,6282,290453
Hispanic146
Black127
2+ Races1212
Other Race91
Asian777
Islander22

The highest rate of high school graduation is among asian people with a rate of 100.00%.

The highest rate of bachelors degrees is among asian people with a rate of 100.00%.

Knox County, Missouri Educational Attainment by Race

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Name Average Male Female
Overall$26,998$37,813$20,372
Less Than 9th Grade$25,905$42,000$13,388
High School Graduate$25,896$30,764$17,147
Some College$25,286$38,869$19,798
Bachelors Degree$37,898$40,313$36,731
Graduate Degree$53,750$68,295$51,667

$26,998

Average Earnings

$37,813

Average Male

$20,372

Average Female

Knox County, Missouri Earnings by Educational Attainment

Knox County, Missouri Language by Age

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Knox County, Missouri Language

93.22% of Knox County, Missouri residents speak only English, while 6.78% speak other languages. The non-English language spoken by the largest group is Other Indo-European, which is spoken by 5.13% of the population.

Knox County, Missouri Language

Knox County, Missouri Poverty by Race

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Name Total In Poverty Poverty Rate
White3,73171319.11%
Hispanic40820.00%
Black14535.71%
Other23417.39%
Multiple7622.63%

18.79%

Overall Poverty Rate

14.34%

Male Poverty Rate

23.31%

Female Poverty Rate

Poverty in Knox County, Missouri

The race most likely to be in poverty in Knox County, Missouri is Black, with 35.71% below the poverty level.

The race least likely to be in poverty in Knox County, Missouri is Multiple, with 2.63% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 5.50%. Among those working part-time, it was 23.51%, and for those that did not work, the poverty rate was 23.09%.

Knox County, Missouri Poverty

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Name Poverty
Less Than 9th Grade22.19%
High School20.91%
Bachelors or Greater14.79%
Some College9.75%

Knox County, Missouri Poverty Rate by Education

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Rate Poverty
Female Unemployed51.61%
Male Unemployed51.19%
Female Employed13.45%
Male Employed9.61%

Knox County, Missouri Poverty Rate by Employment Status and Sex

Knox County, Missouri Income by Household Type

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Name Median Mean
Households$40,000$56,014
Families$53,276$72,349
Married Families$56,683-
Non Families$19,531$27,933
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Income by Household Type

Knox County, Missouri Marital Status

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Marriage Rates

50.8%

Overall Marriage Rate

49.7%

Male Marriage Rate

51.8%

Female Marriage Rate

Knox County, Missouri Married by Age and Sex

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Knox County, Missouri Marriage

The age group where males are most likely to be married is 45-54, while the female age group most likely to be married is 55-64.

Knox County, Missouri Marital Status by Race

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Knox County, Missouri Marital Status

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301

Number of Veterans

298

Male Veterans

3

Female Veterans

War Veterans
Vietnam137
First Gulf War37
Korea35
Second Gulf War34
World War II12

Knox County, Missouri Veterans by War

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Age Group Veterans
65 to 7495
75+81
55 to 6463
35 to 5440
18 to 3422

Knox County, Missouri Veterans by Age

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Name Veterans % of Total
White29710.16%
2+ Races26.67%
Islander2100.00%

Knox County, Missouri Veterans by Race

Knox County, Missouri Veterans by Education

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7.82%

Veteran Poverty Rate

45.24%

Veteran Disability Rate

Knox County, Missouri Veterans by Education

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53.8%

Labor Force Participation

50.1%

Employment Rate

6.9%

Unemployment Rate

Knox County, Missouri Employment by Age

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Knox County, Missouri Employment by Race

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Knox County, Missouri Employment by Education

Origin of Non-Citizens

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Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.

Origin of Naturalized Citizens

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74.01%

Born in Knox County, Missouri

99.14%

Native Born

0.86%

Foreign Born

0.76%

Non Citizen

0.10%

Naturalized

Place of Birth

99.14% of Knox County, Missouri residents were born in the United States, with 74.01% having been born in Missouri. 0.76% 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

  1. US Census City/Town Population estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. Population of States and Counties of the United States: 1790 - 1990

Sources