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 6,168,187 people according to the US Census Bureau's 2021 Population Estimates Program.
The Missouri median household income in the past 12 months is $57,290 in 2020 inflation-adjusted dollars according to the US Census Bureau's 2020 American Community Survey.
Missouri has 2,804,664 housing units according to the US Census Bureau's 2020 American Community Survey.

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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 2020 datasets – specifically the 2020 American Community Survey (ACS) 5-year dataset. We use the Census’ ACS 5-year dataset for 3 reasons.

It’s updated every year.
It typically has the smallest margins of error of the Census’ ACS datasets.
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	997,187
2	Jackson County	716,862
3	St. Charles County	409,981
4	Greene County	300,865
5	St. Louis city/county	293,310
6	Clay County	255,518
7	Jefferson County	227,771
8	Boone County	185,840
9	Jasper County	123,155
10	Cass County	109,638

See all Missouri Counties by Population

Missouri Cities by Population

1	Kansas City	508,394
2	St. Louis	293,310
3	Springfield	169,724
4	Columbia	126,853
5	Independence	122,088
6	Lee's Summit	102,781
7	O'Fallon	93,644
8	St. Joseph	71,602
9	St. Charles	70,820
10	Blue Springs	59,430