Mind-boggled by Missouri Demographics?

Get the Missouri demographic data that you need. You can get the most current Missouri data from the US Census Bureau without spending 8 to 10 high-value hours searching the internet.

  • The Missouri population is 6,141,534 people according to the US Census Bureau's 2021 American Community Survey.
  • The Missouri median household income in the past 12 months is $61,043 in 2021 inflation-adjusted dollars according to the US Census Bureau's 2021 American Community Survey.
  • Missouri has 2,782,081 housing units according to the US Census Bureau's 2021 American Community Survey.

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  • The most current data
  • Trustworthy — from US government data sources
  • Easy to Understand — jargon-free data
  • Most Popular data — like population, income & age
  • Confidence — includes proper citations & footnotes
  • Time Savings — Our customers tell us these reports save 10+ hours of internet research, data pulling & formatting.

To learn more, click on the letter that the name of your city or county begins with.

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How Current are the Data?

The Missouri demographics on this site are the most current data available from the US Census Bureau.

Currently, most data points are from 2021 datasets – specifically the 2021 American Community Survey (ACS) 5-year dataset. We use the Census' ACS 5-year dataset for 3 reasons.

  1. It's updated every year.
  2. It typically has the smallest margins of error of the Census' ACS datasets.
  3. It allows for apples to apples comparisons of large geographies to small geographies (i.e. state data to city data).

We're constantly updating the demographic reports and this site with the most current data throughout the year.

Got questions about these Missouri demographics? Call us at 1-800-939-2130.

Missouri Counties by Population

1 St. Louis County 1,001,982
2 Jackson County 713,229
3 St. Charles County 402,377
4 St. Louis city/county 302,787
5 Greene County 296,875
6 Clay County 250,134
7 Jefferson County 225,913
8 Boone County 182,170
9 Jasper County 122,059
10 Cass County 106,966

See all Missouri Counties by Population

Missouri Cities by Population

1 Kansas City 502,597
2 St. Louis 302,787
3 Springfield 168,603
4 Columbia 124,342
5 Independence 122,230
6 Lee's Summit 100,772
7 O'Fallon 90,802
8 St. Joseph 73,138
9 St. Charles 70,218
10 Blue Springs 58,265

See all Missouri Cities by Population

Missouri Zip Codes by Population

1 63376 75,016
2 65203 58,863
3 63021 56,646
4 65807 55,798
5 63366 51,995
6 63301 51,261
7 63129 50,986
8 63031 49,903
9 63123 49,886
10 65202 48,380

See all Missouri Zip Codes by Population

Products & Services

Demographics Reports

Get the most important demographics for all cities, all counties or all zips in Missouri in an easy-to-use spreadsheet.

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About Us

Missouri-Demographics.com is made by Cubit — a demographic data provider. Call us at 1-800-939-2130 or email us.

Cubit Founders Kristen and Anthony

Cubit's co-founders have been working with data for a combined 36 years.

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