Total Population in St. Mary Parish, LA

ACS 2024 5-Year Estimates

Total Population
47,828
Rank #1,044 of 3,222
68th percentile

How St. Mary Parish Compares

St. Mary Parish
47,828
Louisiana Average
47,828
Rank #23 of 64 in state
National
330M
100.0% below

National Distribution

Where St. Mary Parish falls among all 3,222 U.S. counties for total population.

33 9,808,667

■ St. Mary Parish: 47,828

Ranking Context

Rank County Value
#1,041 Shelby County, OH 47,929
#1,042 Boyd County, KY 47,911
#1,043 Tioga County, NY 47,864
#1,044 St. Mary Parish, LA 47,828
#1,045 Habersham County, GA 47,793
#1,046 Val Verde County, TX 47,741
#1,047 Monroe County, TN 47,695
View full ranking →

Total Population in St. Mary Parish, Louisiana

St. Mary Parish, Louisiana has a total population of 47,828, which ranks #1,044 of 3,222 out of 3,222 counties nationwide. This is 100.0% below the national value of 330M.

Within Louisiana, St. Mary Parish ranks #23 of 64 out of 64 counties. This places it in the 68th percentile nationally.

Total population count from the American Community Survey. 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.