Median Age in St. Tammany Parish, LA

ACS 2024 5-Year Estimates

Median Age
40.5 years +4.1% vs nat'l
Rank #1,956 of 3,222
39th percentile

How St. Tammany Parish Compares

St. Tammany Parish
40.5 years
Louisiana Average
40.5 years
Rank #18 of 64 in state
National
38.9 years
4.1% above

National Distribution

Where St. Tammany Parish falls among all 3,222 U.S. counties for median age.

21.4 years 86.2 years

■ St. Tammany Parish: 40.5 years

Ranking Context

Rank County Value
#1,953 Clark County, KY 40.5 years
#1,954 Grayson County, KY 40.5 years
#1,955 Ohio County, KY 40.5 years
#1,956 St. Tammany Parish, LA 40.5 years
#1,957 Androscoggin County, ME 40.5 years
#1,958 Harford County, MD 40.5 years
#1,959 Redwood County, MN 40.5 years
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Median Age in St. Tammany Parish, Louisiana

St. Tammany Parish, Louisiana has a median age of 40.5 years, which ranks #1,956 of 3,222 out of 3,222 counties nationwide. This is 4.1% above the national value of 38.9 years.

Within Louisiana, St. Tammany Parish ranks #18 of 64 out of 64 counties. This places it in the 39th percentile nationally.

The median age of the total population. All data comes from the U.S. Census Bureau's American Community Survey (ACS) 5-Year Estimates for 2024.

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.