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 6,124,160 people according to the US Census Bureau's 2020 American Community Survey.
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	996,179
2	Jackson County	700,733
3	St. Charles County	398,472
4	St. Louis city/county	304,709
5	Greene County	291,574
6	Clay County	246,480
7	Jefferson County	224,777
8	Boone County	179,704
9	Jasper County	120,528
10	Cass County	104,687

See all Missouri Counties by Population

Missouri Cities by Population

1	Kansas City	491,158
2	St. Louis	304,709
3	Springfield	167,601
4	Columbia	122,659
5	Independence	117,139
6	Lee's Summit	98,997
7	O'Fallon	88,132
8	St. Joseph	75,369
9	St. Charles	70,650
10	St. Peters	57,536