Knox County, Missouri Population and Demographics

In this article, we'll explore the population statistics for Knox County, Missouri, including popular demographics data like median age, number of households, household income, gender, employment and unemployment rates, occupations, religion, and more.

We are using the latest American Community Survey (ACS) 5-Year survey data from the US Census Bureau, which is accurate up to 2021.

Table of Contents

Population

There is a lot of data that lets us see how many people live in Knox County, Missouri. The most basic data is the total population, which is the total number of people living in Knox County, Missouri. The estimated population of Knox County, Missouri is 3,782 people, with a median age of 43.5.

We can look at the total population in Knox County over the last 5 years to see how much it has changed.

Year Population Change 5-Year Change
2021
3,782
-4.2% -4.88%
2020
3,948
+0.03%
-
2019
3,947
-0.1% -
2018
3,951
-0.63% -
2017
3,976
- -

Population of Knox County, Missouri by Race and Ethnicity

We can also look at how the population has changed over the last 5 years by each of the race/ethnicity types as defined by the US Census Bureau.

Race 2021 2017 Change
White
95.6%
96.5%
-0.93%
Black/African American
0.5%
0.4%
+25.00%
Native
0%
0%
0.00%
Hispanic
1%
1%
0.00%
Asian
1.2%
0.1%
+1,100.00%
Hawaiian/Pacific Islander
0%
0.4%
-100.00%
Two Or More Races
1.6%
1.7%
-5.88%
Other
0%
0%
0.00%

This data can be very important for a number of reasons, including social and economic research, planning and development, and marketing to a multi-cultural population.

Note that the Native group includes both Native American and Alaskan Native people.

Population of Knox County, Missouri by Age and Gender

The age and gender of a population is another interesting demographic statistic because it lets us track trends in the population over time. For example, we can see how the population has changed over the last 5 years by median age as a total, and also by male and female.

Year Total Male Female
2021 43.5 -1.58% 43.2 +3.1% 43.6 -3.75%
2020 44.2 +0.23% 41.9 -2.78% 45.3 0%
2019 44.1 +0.23% 43.1 +2.86% 45.3 -0.88%
2018 44 +0.69% 41.9 +1.21% 45.7 -0.22%
2017 43.7 - 41.4 - 45.8 -

The median age of Knox County, Missouri gives you an idea of the age distribution, with half of the population being older than the median age and half being younger.

This can then be used to infer and compare against birth rates, parent ages, and more metrics to understand the population. For example, an increasing median age indicates an aging population, which can be a sign of a declining population in terms of birth rates and workforce participation.

Age 2021 2017
(Years) Male Female Male Female
0 to 9 256 -5.73% 242 -8.71% 240 220
10 to 19 324 +5.46% 247 +15.91% 333 285
20 to 29 213 -13.2% 179 -9.6% 185 162
30 to 39 197 -18.58% 166 +24.45% 162 207
40 to 49 213 -2.64% 240 -26.94% 207 179
50 to 59 278 -27.11% 310 -37.28% 209 208
60 to 69 280 +13% 242 +22.65% 317 296
70+ 249 -3.24% 340 -2.2% 240 332

Median Household Income

The latest median household income of Knox County, Missouri is $40,814.00.

In simple terms, the median income is the middle income of a group of people. Half of the people in the group make more than the median income, and half make less. The median income is a good indicator of the overall income of a group of people, and can be used to compare against other metrics such as the average income, per capita income, and more.

Median Income by Age

We can also look at the median income by age to see how the median income varies by age, and how it compares to the overall median income for Knox County.

  • Under 25
    $26,786.00
  • 25 to 44
    $61,125.00
  • 45 to 64
    $56,094.00
  • 65 and over
    $24,921.00

Average Household Income

Whenever we ask what is the average household income in Knox County, we are actually talking about the mean household income.

This is calculated by adding up all the incomes of all the households in Knox County, and then dividing that number by the total number of households. This is a good way to get a general idea of the average income of a group of people, but it can be skewed by a very high or very low incomes.

The average household income of Knox County, Missouri is currently $63,209.00.

In terms of accurately summarizing income at a geographic level, the median income is a better metric than the average income because it isn't affected by a small number of very high or very low incomes.

If you had an area where the average income was greater than the median, it can mean that there is significant income inequality, with income being concentrated in a small number of wealthy households.

1.00% of households in Knox County are classed as high income households (making $200,000+ per year).

Household Income Tiers

The US Census Bureau divides households into income tiers based on the median income for the area. This is a good way to compare the income of Knox County against other areas.

  • Less than $24,999
    31.94%
  • $25,000 to $49,999
    27.34%
  • $50,000 to $74,999
    16.30%
  • $75,000 to $99,999
    11.04%
  • $100,000 to $149,999
    11.54%
  • $150,000 to $199,999
    0.84%
  • $200,000 or more
    1.00%

Per Capita Income

The per capita income in Knox County is $22,839.00.

Per capita income is the average income of a person in a given area. It is calculated by dividing the total income of Knox County by the total population of Knox County.

This is different from the average or mean income because it includes and accounts for all people in Knox County, Missouri, including people like children, the elderly, unemployed people, retired people, and more.

Education Levels

We can also look at the education levels in Knox County to see how many people have a high school degree, a bachelor's degree, or a graduate degree.

Educational attainment is a good indicator of the overall education level of a population, and can be used to compare against other metrics such as the average income, per capita income, and more to see how education levels affect income, unemployment rates, and more.

  • Master's degree or higher
    6.37%
  • Bachelor's degree
    15.57%
  • Some college or associate's degree
    9.79%
  • High school diploma or equivalent
    64.13%
  • Less than high school diploma
    4.14%

Employment

Employment rates are all based around the total population in Knox County that are over the age of 16.

The total population of Knox County over the age of 16 is 2,995.

Of those people, a total of 56.90% are working or actively looking for work. This is called the labor force participation rate.

The participation rate is a useful market measure because it shows the relative amount of labor resources available to the economy.

The employment to total population rate in Knox County is 55.30%.

Employment by Age

We can look at the employment rates by age to see how it compares to the overall employment rate.

Age Population Participation Unemployment Rate
16 to 19 years 291 60.80% 9.00%
20 to 24 years 238 68.10% 1.20%
25 to 29 years 109 89.90% 0.00%
30 to 34 years 105 92.40% 18.60%
35 to 44 years 445 92.80% 0.50%
45 to 54 years 431 57.50% 0.00%
55 to 59 years 191 81.20% 4.50%
60 to 64 years 379 63.30% 0.00%
65 to 74 years 430 21.60% 5.40%
75 years and over 376 5.90% 0.00%

Employment by Race

Another very interesting employment statistic we can look at is the employment and unemployment rates by race in Knox County. The table below shows the rates for each of the ethnicity groups types defined by the US Census Bureau.

Age Population Participation Unemployment Rate
White 2,886 56.10% 3.00%
Black or African American 19 47.40% 11.10%
American Indian and Alaska Native 0 0.00% 0.00%
Asian 45 100.00% 0.00%
Native Hawaiian and Other Pacific Islander 1 100.00% 0.00%
Other 7 100.00% 0.00%
Two or more races 37 64.90% 0.00%
Hispanic or Latino 25 28.00% 0.00%
Not Hispanic or Latino 2,874 56.30% 3.00%

Occupations

In this section we can look at the most common occupations in Knox County as well as the gender breakdown and earnings of them.

The total population of civilian employees that are 16 years old or older in Knox County is 1,655, with median earnings of $26,588.00.

Women in Knox County, Missouri earning approximately 58.20% of the men's earnings.

Population Earnings
Total 1,655 $26,588.00
Male 945 $31,707.00
Female 710 $18,462.00

Occupations by Category

In the table below, we can break down the population and earnings even further by occupation. The list of occupation categories below will show you how many people are employed in each category and the median earnings of each profession.

Occupation Employed Earnings
Management 191 $24,792.00
Business and Financial 37 $56,964.00
Computer and Mathematical 14 $0.00
Architecture and Engineering 0 $0.00
Life, Physical, and Social Science 7 $0.00
Community and Social Service 12 $38,125.00
Legal 0 $0.00
Educational and Library 106 $57,222.00
Arts, Design, Entertainment, Sports, and Media 25 $0.00
Healthcare Practitioners 44 $41,500.00
Healthcare Support 62 $30,357.00
Firefighters and Protective Service 0 $0.00
Law Enforcement 19 $54,375.00
Food Preparation and Serving 229 $13,095.00
Building and Grounds Cleaning 36 $16,667.00
Personal Care and Service 19 $42,750.00
Sales 148 $12,143.00
Office and Administrative Support 172 $25,893.00
Farming, Fishing, and Forestry 83 $43,140.00
Construction and Extraction 107 $4,583.00
Installation, Maintenance, and Repair 153 $30,938.00
Production 47 $42,679.00
Transportation and Material Moving 57 $56,563.00

Occupations by Gender

The table below shows the same occupations from the list above, but we have split them by male and female to see how many male and females work in each occupation, the median earnings, and the male to female ratio of earnings.

That last metric is important because it can be used to look at the gender pay gap between men and women.

Occupation Male Female
Population Earnings Population Earnings
Management 162 $26,250.00 29 $21,607.00
Business and Financial 33 $87,750.00 4 $0.00
Computer and Mathematical 14 $0.00 0 $0.00
Architecture and Engineering 0 $0.00 0 $0.00
Life, Physical, and Social Science 0 $0.00 7 $0.00
Community and Social Service 4 $0.00 8 $0.00
Legal 0 $0.00 0 $0.00
Educational and Library 48 $61,714.00 58 $22,500.00
Arts, Design, Entertainment, Sports, and Media 0 $0.00 25 $0.00
Healthcare Practitioners 6 $0.00 38 $41,000.00
Healthcare Support 0 $0.00 62 $30,357.00
Firefighters and Protective Service 0 $0.00 0 $0.00
Law Enforcement 19 $54,375.00 0 $0.00
Food Preparation and Serving 79 $6,528.00 150 $14,049.00
Building and Grounds Cleaning 32 $16,458.00 4 $0.00
Personal Care and Service 2 $0.00 17 $43,250.00
Sales 51 $55,347.00 97 $9,539.00
Office and Administrative Support 19 $40,521.00 153 $25,491.00
Farming, Fishing, and Forestry 83 $43,140.00 0 $0.00
Construction and Extraction 104 $4,561.00 3 $0.00
Installation, Maintenance, and Repair 152 $30,903.00 1 $0.00
Production 42 $36,250.00 5 $0.00
Transportation and Material Moving 42 $61,500.00 15 $0.00

Households and Family Size

A household defined bu the US Census Bureau is a group of people who occupy a housing unit. A housing unit is a house, apartment, mobile home, group of rooms, or single room occupied as separate living quarters.

There are currently 1,196 households in Knox County, with an average household size of 3.08 people.

A family is defined as a group of two or more people related by birth, marriage, or adoption who live together in the same household.

There are 765 families in Knox County with an average family size of 4.12 people.

Households by Marital Status

The four categories of household by marital status are:

  • Married-couple family
  • Male householder with no spouse present
  • Female household with no spouse present
  • Nonfamily household

The table below shows the total number of households and families, with the average sizes of each.

Married Male Female Nonfamily
Total Households 688 21 56 431
Average Household Size 4.02 5.57 5.55 1.13
Total Families 688 21 56 0
Average Household Size 3.97 5.48 5.36 0

Poverty

Of the 765 families in Knox County, 10.30% are considered to be below the poverty threshold.

The table below shows the latest poverty thresholds in Knox County:

Household Size Poverty Threshold
1 Person $14,580.00
2 People $19,720.00
3 People $24,860.00
4 People $30,000.00
5 People $35,140.00
6 People $40,280.00
7 People $45,420.00
8 People $50,560.00

Housing

There are 1,971 housing units in Knox County, Missouri.

The table below shows the split between occupied and vacant units:

Total Percentage
Occupied 1,196 60.68%
Vacant 775 39.32%

5.83% of the total 1,971 housing units in Knox County are rental units. This is approximately 115 properties.

For owner-occupied housing units, a total of 1,044 are occupied by the owner - or 52.97% of the total.

Rental Rates

The median rent for a property in Knox County is $579.00.

In the chart below, we can look at the number of rental properties in Knox County that fall into a particular rent range. These can then be used to compare with other areas, or to see how they have changed over time.

  • No rent paid
    37
  • Less than $500
    41
  • $500 to $999
    69
  • $1,000 to $1,499
    5
  • $1,500 to $1,999
    0
  • $2,000 to $2,499
    0
  • $2,500 to $2,999
    0
  • $3,000 or more
    0

Property Value

The median value of a property in Knox County is $79,400.00.

Just like with rental rates, we can look at the number of properties in Knox County that fall into a particular value range.

  • Less than $50,000
    238
  • $50,000 to $99,999
    364
  • $100,000 to $149,999
    94
  • $150,000 to $199,999
    111
  • $200,000 to $299,999
    141
  • $300,000 to $499,999
    58
  • $500,000 to $999,999
    36
  • $1,000,000 or more
    2

Property Age

We can also look at the age of properties in Knox County. The chart below shows the number of properties in Knox County that fall into a particular age range.

  • 1939 or earlier
    636
  • 1940 to 1949
    87
  • 1950 to 1959
    221
  • 1960 to 1969
    230
  • 1970 to 1979
    309
  • 1980 to 1989
    107
  • 1990 to 1999
    230
  • 2000 to 2009
    98
  • 2010 to 2013
    53
  • 2014 or later
    0

Vehicles per Household

The number of vehicles available per household can be a good indicator of the level of affluence in an area. The chart below shows the number of households in Knox County that have a particular number of vehicles available.

  • No vehicles available
    22
  • 1 vehicle available
    340
  • 2 vehicles available
    512
  • 3 or more vehicles available
    322

Commuting to Work

In this section, we can also look at how people in Knox County get to work. The chart below shows the number of people in Knox County that commute to work in a particular way.

20.3 minutes is the average travel time to work for people in Knox County.

These commute times can be compared to other date like income and educational levels to see how they relate to each other and if there are any trends in the data that might suggest a correlation.

  • Less than 5 minutes
    128
  • 5 to 9 minutes
    180
  • 10 to 14 minutes
    309
  • 15 to 19 minutes
    98
  • 20 to 24 minutes
    171
  • 25 to 29 minutes
    29
  • 30 to 34 minutes
    151
  • 35 to 39 minutes
    24
  • 40 to 44 minutes
    44
  • 45 to 59 minutes
    62
  • 60 to 89 minutes
    34
  • 90 or more minutes
    19

Summary

We've covered a LOT of demographic and population data for Knox County, Missouri in this article! Hopefully you have found it very useful in your research of the area.

If you use any of the data found on this page, please consider linking back to USPopulation.org as the source and if you have any feedback or data requests, click here to contact us.

Places in Knox County, Missouri

We have data for 20 places in Knox County, Missouri. Click on a place below to see more information about the demographics of that place.