St. Mary Parish, LA Demographics & Local Data

Analyze population trends, housing costs, and the local economy by exploring Map AI.

Area Snapshot

Key statistics on population, economy, housing, and commuting compared to state and national averages. Explore interactive maps for deeper analysis.

C
D
F

Population

Metric St. Mary Parish Louisiana Avg U.S. Average
Population 47,431 4,588,640 334,821,731
Population density (per sq mi) 42.4 87.6 85.8
Population growth (%/yr) -1.29% -0.07% 0.57%
Median age 38.5 35.4 37.1
Households 18,705 1,781,402 128,459,983

Population Over Time

Year St. Mary Parish

Race & Ethnicity

Group Share

Economy

St. Mary Parish has a the economy index of D, which means it is barely prosperous.

Metric St. Mary Parish Louisiana Avg U.S. Average
Median household income $52,129 $60,029 $78,145
Income growth (%/yr) 3.61% 3.98% 5.07%
Unemployment rate 5.4% 6.3% 5.2%

Detailed wealth and income breakdown →

Housing

Metric St. Mary Parish Louisiana Avg U.S. Average
Median home price $177,419 $166,764 $242,182
Median rent $839 $1,038 $1,342
Homeownership rate 69.8% 67.3% 65.1%

Full housing market analysis →

Mobility & Commuting

The most common departure window is 07:00 AM – 07:29 AM , followed by 07:30 AM – 07:59 AM .

Metric St. Mary Parish Louisiana Avg U.S. Average
Average commute time (min) 15.8 21.3 22.5
Work from home 5.2% 7.2% 13.4%

Commute and transport details →

Education & Households

St. Mary Parish has a education index of F, which means it scores poorly in education.

Metric St. Mary Parish Louisiana Avg U.S. Average
Bachelor's degree or higher 11.6% 24.0% 31.6%
Average household size 2.55 2.52 2.54

Health

St. Mary Parish has a health index of C, which means it is somewhat healthy.

Metric St. Mary Parish Louisiana Avg U.S. Average
Life expectancy (years) 74.0 75.1 78.3
Self-rated poor health 23.0% 22.3% 16.3%
Smokers 23.5% 23.9% 19.0%