St. Mary Parish, LA Map
Official Census boundary of St. Mary Parish, Louisiana (FIPS 22101). Turn on flood zones, contours, land cover and school districts, measure distances, or click any spot to inspect it.
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St. Mary Parish Demographics
Source: U.S. Census Bureau, American Community Survey 2020-2024 5-year estimates.
Population
47,828
Households
18,463
Median household income
$52,576
Median age
39.7 years
Median home value
$138,900
Median gross rent
$848/mo
Owner-occupied homes
68.6%
Bachelor's degree or higher
13.6%
Below poverty level
20.8%
Land area
558.5 sq mi
Population density
86 / sq mi