Median Age in Missouri

ACS 2024 5-Year Estimates

Median Age
39.0 years +0.3% vs nat'l
Rank #30 of 52
43th %ile

How Missouri Compares

Missouri
39.0 years
National
38.9 years
0.3% above

State Ranking

Rank State Value
#27 Wyoming 39.1 years
#28 Arizona 39.0 years
#29 Illinois 39.0 years
#30 Missouri 39.0 years
#31 Virginia 39.0 years
#32 Tennessee 38.9 years
#33 Minnesota 38.8 years
View full state ranking →

Highest Age Counties in Missouri

# County Age
1 Hickory County 55.2 years
2 Stone County 54.6 years
3 Benton County 54.5 years
4 Camden County 53.2 years
5 Ozark County 51.4 years
6 Wayne County 48.6 years
7 Worth County 48.5 years
8 Holt County 47.4 years
9 Dade County 47.0 years
10 Gasconade County 46.8 years

Lowest Age Counties in Missouri

# County Age
115 Pulaski County 27.8 years
114 Adair County 30.2 years
113 Johnson County 31.5 years
112 Boone County 32.7 years
111 Nodaway County 33.7 years
110 Saline County 35.3 years
109 Phelps County 35.8 years
108 Greene County 36.4 years
107 Scotland County 36.5 years
106 St. Louis city 36.8 years

Median Age in Missouri

Missouri has a median age of 39.0 years, ranking #30 of 52 among all 52 states and territories. This is 0.3% above the national value of 38.9 years.

Across Missouri's 115 counties, median age ranges from 27.8 years to 55.2 years. The county with the highest value is Hickory County at 55.2 years.

The median age of the total population.

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.