Post Oak, Johnson County, Missouri Population and Demographics

In this article, we'll explore the population statistics for Post Oak, 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 Post Oak, Missouri. The most basic data is the total population, which is the total number of people living in Post Oak, Missouri. The estimated population of Post Oak, Missouri is 2,207 people, with a median age of 40.8.

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

Year Population Change 5-Year Change
2021
2,207
+3.18%
+1.75%
2020
2,139
+4.34%
-
2019
2,050
-6.48% -
2018
2,192
+1.06%
-
2017
2,169
- -

Population of Post Oak, 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
95.2%
94%
+1.28%
Black/African American
1%
0%
0.00%
Native
0.4%
1.1%
-63.64%
Hispanic
1.4%
3.8%
-63.16%
Asian
0.7%
0.4%
+75.00%
Hawaiian/Pacific Islander
0.1%
0%
0.00%
Two Or More Races
1%
0.7%
+42.86%
Other
0.2%
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 Post Oak, 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 40.8 -5.12% 41.2 -3.74% 40.5 -6.03%
2020 43 +6.17% 42.8 +12.04% 43.1 +0.7%
2019 40.5 +2.79% 38.2 +7.3% 42.8 +0.94%
2018 39.4 -6.19% 35.6 -3.52% 42.4 -1.85%
2017 42 - 36.9 - 43.2 -

The median age of Post Oak, 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 9 155 +31.2% 115 +24.69% 178 140
10 to 19 199 -12.21% 128 +38.78% 171 180
20 to 29 103 +19.54% 100 -17.08% 110 78
30 to 39 123 -9.7% 111 +12.66% 107 122
40 to 49 151 -7.4% 150 -2.1% 133 146
50 to 59 174 -12.18% 166 -19.26% 146 134
60 to 69 85 +85.87% 153 -47.75% 182 89
70+ 131 -4.23% 125 +32.27% 122 169

Median Household Income

The latest median household income of Post Oak, Missouri is $64,853.00.

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 Post Oak.

  • Under 25
    $32,396.00
  • 25 to 44
    $81,250.00
  • 45 to 64
    $68,417.00
  • 65 and over
    $63,036.00

Average Household Income

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

This is calculated by adding up all the incomes of all the households in Post Oak, 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 Post Oak, Missouri is currently $79,312.00.

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.

1.33% of households in Post Oak 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 Post Oak against other areas.

  • Less than $24,999
    19.05%
  • $25,000 to $49,999
    17.72%
  • $50,000 to $74,999
    19.54%
  • $75,000 to $99,999
    13.47%
  • $100,000 to $149,999
    24.03%
  • $150,000 to $199,999
    4.85%
  • $200,000 or more
    1.33%

Per Capita Income

The per capita income in Post Oak is $29,215.00.

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

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

Education Levels

We can also look at the education levels in Post Oak 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
    8.11%
  • Bachelor's degree
    32.31%
  • Some college or associate's degree
    14.62%
  • High school diploma or equivalent
    44.47%
  • Less than high school diploma
    0.49%

Employment

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

The total population of Post Oak over the age of 16 is 1,602.

Of those people, a total of 56.40% 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 Post Oak is 52.00%.

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 64 31.30% 15.00%
20 to 24 years 85 80.00% 0.00%
25 to 29 years 103 86.40% 0.00%
30 to 34 years 78 82.10% 3.10%
35 to 44 years 295 81.70% 3.30%
45 to 54 years 251 81.70% 6.50%
55 to 59 years 164 77.40% 7.90%
60 to 64 years 148 42.60% 4.80%
65 to 74 years 256 8.20% 0.00%
75 years and over 158 3.20% 0.00%

Employment by Race

Another very interesting employment statistic we can look at is the employment and unemployment rates by race in Post Oak. 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 1,522 55.70% 4.80%
Black or African American 23 100.00% 0.00%
American Indian and Alaska Native 13 100.00% 0.00%
Asian 16 25.00% 0.00%
Native Hawaiian and Other Pacific Islander 2 100.00% 0.00%
Other 5 0.00% 0.00%
Two or more races 21 61.90% 0.00%
Hispanic or Latino 13 84.60% 0.00%
Not Hispanic or Latino 1,514 55.60% 4.80%

Occupations

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

The total population of civilian employees that are 16 years old or older in Post Oak is 833, with median earnings of $34,301.00.

Women in Post Oak, Missouri earning approximately 64.30% of the men's earnings.

Population Earnings
Total 833 $34,301.00
Male 496 $41,250.00
Female 337 $26,528.00

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 100 $31,667.00
Business and Financial 36 $65,625.00
Computer and Mathematical 12 $103,125.00
Architecture and Engineering 12 $56,875.00
Life, Physical, and Social Science 4 $0.00
Community and Social Service 8 $0.00
Legal 0 $0.00
Educational and Library 21 $27,188.00
Arts, Design, Entertainment, Sports, and Media 11 $0.00
Healthcare Practitioners 47 $116,250.00
Healthcare Support 7 $15,938.00
Firefighters and Protective Service 0 $0.00
Law Enforcement 28 $58,077.00
Food Preparation and Serving 30 $6,667.00
Building and Grounds Cleaning 38 $25,000.00
Personal Care and Service 21 $17,656.00
Sales 47 $22,250.00
Office and Administrative Support 96 $23,750.00
Farming, Fishing, and Forestry 2 $0.00
Construction and Extraction 56 $72,692.00
Installation, Maintenance, and Repair 68 $50,714.00
Production 99 $33,750.00
Transportation and Material Moving 46 $33,269.00

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 68 $31,212.00 32 $55,000.00
Business and Financial 9 $0.00 27 $61,563.00
Computer and Mathematical 10 $103,750.00 2 $0.00
Architecture and Engineering 12 $56,875.00 0 $0.00
Life, Physical, and Social Science 4 $0.00 0 $0.00
Community and Social Service 0 $0.00 8 $0.00
Legal 0 $0.00 0 $0.00
Educational and Library 3 $0.00 18 $37,813.00
Arts, Design, Entertainment, Sports, and Media 0 $0.00 11 $0.00
Healthcare Practitioners 10 $0.00 37 $56,719.00
Healthcare Support 4 $0.00 3 $0.00
Firefighters and Protective Service 0 $0.00 0 $0.00
Law Enforcement 28 $58,077.00 0 $0.00
Food Preparation and Serving 11 $4,250.00 19 $7,292.00
Building and Grounds Cleaning 22 $43,750.00 16 $11,667.00
Personal Care and Service 0 $0.00 21 $17,656.00
Sales 30 $22,167.00 17 $32,639.00
Office and Administrative Support 11 $63,750.00 85 $21,250.00
Farming, Fishing, and Forestry 2 $0.00 0 $0.00
Construction and Extraction 56 $72,692.00 0 $0.00
Installation, Maintenance, and Repair 68 $50,714.00 0 $0.00
Production 80 $31,667.00 19 $42,875.00
Transportation and Material Moving 46 $33,269.00 0 $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 824 households in Post Oak, with an average household size of 2.68 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 623 families in Post Oak with an average family size of 3.01 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 518 38 67 201
Average Household Size 3.01 2.5 4.73 1.16
Total Families 518 38 67 0
Average Household Size 2.99 1.95 3.82 0

Poverty

Of the 623 families in Post Oak, 11.20% are considered to be below the poverty threshold.

The table below shows the latest poverty thresholds in Post Oak:

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 912 housing units in Post Oak, Missouri.

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

Total Percentage
Occupied 824 90.35%
Vacant 88 9.65%

12.72% of the total 912 housing units in Post Oak are rental units. This is approximately 116 properties.

For owner-occupied housing units, a total of 677 are occupied by the owner - or 74.23% of the total.

Rental Rates

The median rent for a property in Post Oak is $605.00.

In the chart below, we can look at the number of rental properties in Post Oak 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
    31
  • Less than $500
    19
  • $500 to $999
    90
  • $1,000 to $1,499
    7
  • $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 Post Oak is $160,900.00.

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

  • Less than $50,000
    51
  • $50,000 to $99,999
    151
  • $100,000 to $149,999
    110
  • $150,000 to $199,999
    98
  • $200,000 to $299,999
    123
  • $300,000 to $499,999
    109
  • $500,000 to $999,999
    35
  • $1,000,000 or more
    0

Property Age

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

  • 1939 or earlier
    183
  • 1940 to 1949
    20
  • 1950 to 1959
    32
  • 1960 to 1969
    65
  • 1970 to 1979
    120
  • 1980 to 1989
    145
  • 1990 to 1999
    187
  • 2000 to 2009
    98
  • 2010 to 2013
    62
  • 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 Post Oak that have a particular number of vehicles available.

  • No vehicles available
    31
  • 1 vehicle available
    149
  • 2 vehicles available
    373
  • 3 or more vehicles available
    271

Commuting to Work

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

26.5 minutes is the average travel time to work for people in Post Oak.

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
    30
  • 5 to 9 minutes
    75
  • 10 to 14 minutes
    95
  • 15 to 19 minutes
    125
  • 20 to 24 minutes
    177
  • 25 to 29 minutes
    85
  • 30 to 34 minutes
    69
  • 35 to 39 minutes
    22
  • 40 to 44 minutes
    21
  • 45 to 59 minutes
    29
  • 60 to 89 minutes
    72
  • 90 or more minutes
    13

Summary

We've covered a LOT of demographic and population data for Post Oak, 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.