Total Population in Missouri

ACS 2024 5-Year Estimates

Total Population
6,191,814
Rank #19 of 52
65th %ile

How Missouri Compares

Missouri
6,191,814
National
330M
98.1% below

State Ranking

Rank State Value
#16 Massachusetts 7,044,056
#17 Indiana 6,851,073
#18 Maryland 6,206,011
#19 Missouri 6,191,814
#20 Wisconsin 5,914,872
#21 Colorado 5,862,189
#22 Minnesota 5,739,445
View full state ranking →

Highest Population Counties in Missouri

# County Population
1 St. Louis County 995,569
2 Jackson County 719,976
3 St. Charles County 414,535
4 Greene County 303,375
5 St. Louis city 288,512
6 Clay County 258,122
7 Jefferson County 229,458
8 Boone County 188,043
9 Jasper County 124,357
10 Cass County 110,773

Lowest Population Counties in Missouri

# County Population
115 Worth County 1,934
114 Mercer County 3,482
113 Knox County 3,756
112 Schuyler County 4,038
111 Holt County 4,240
110 Putnam County 4,642
109 Scotland County 4,686
108 Atchison County 5,187
107 Carter County 5,297
106 Sullivan County 5,857

Total Population in Missouri

Missouri has a total population of 6,191,814, ranking #19 of 52 among all 52 states and territories. This is 98.1% below the national value of 330M.

Across Missouri's 115 counties, total population ranges from 1,934 to 995,569. The county with the highest value is St. Louis County at 995,569.

Total population count from the American Community Survey.

About this data

Source: U.S. Census Bureau, American Community Survey 5-Year Estimates (2024). All values are estimates derived from survey samples and are subject to margin of error. For more information, see our methodology.