Race & Ethnicity
Age Breakdown
Key Indicators
| Median Age | 37.5 yrs |
|---|---|
| Avg HH Size | 2.58 |
| Below Poverty | 21.8% ▲ 118% above avg |
| College Grads | 22.6% ▼ 42% below avg |
| Unemployment | 5.4% ▲ 10% above avg |
| No HS Diploma | 520 (1.9%) |
| HS Graduate | 13,499 (48.2%) |
| Some College | 4,042 (14.4%) |
| Associates | 3,680 (13.1%) |
| Bachelors | 1,915 (6.8%) |
| Graduate Degree | 4,359 (15.6%) |
Education
Housing Tenure
Home Value Distribution
Financials
| Median HH Income | $53,099 ▼ 30% below avg |
|---|---|
| Median Home Value | $135,801 ▼ 51% below avg |
| Home/Income Ratio | 2.6x (nat avg ~3.5x) |
| Median Rent | $819/mo |
| Total Housing Units | 22,989 |
| Vacant Units | 4,062 |
Income Distribution
How People Get to Work
Commute Time
Year Built
St. Mary County is located in Louisiana and encompasses 10 ZIP codes spanning 9 cities and communities. The county has an estimated population of 49,247 residents. With a median age of 37.45, it is a relatively young county.
St. Mary County has a working-class economic profile. The median household income of $53,098 is below the national average. Unemployment stands at 5.4%, near the national average. The poverty rate of 21.8% is significantly above the national average, indicating economic challenges.
Housing in St. Mary County is one of the more affordable housing markets in the country, with a median home value of $135,801 — well below the national average. Monthly median rent is approximately $819. Homeownership rates are high at 70.3%, reflecting a largely residential, stable population.
The residents of St. Mary County are majority White (57.33%). Educational attainment is less-educated — 22.6% of adults hold a bachelor's degree or higher, below the national average.
St. Mary County, LA is a working-class area in Louisiana. The 10 ZIP codes within the county each have their own character — browse the full list below to find the right community, whether you're looking for affordable housing, strong schools, or economic opportunity.
| ZIP | City | Population | Median Income | Median Home | Median Rent | Unemp. | College |
|---|---|---|---|---|---|---|---|
| 70514 | Baldwin | 1,757 | $30,761 | $127,500 | $935 | 4.1% | 16.9% |
| 70342 | Berwick | 4,732 | $56,146 | $190,600 | $492 | 8.6% | 37.8% |
| 70522 | Centerville | 429 | $26,488 | — | — | 0.0% | 20.9% |
| 70523 | Charenton | 444 | $61,019 | $115,100 | $1,109 | 4.3% | 50.9% |
| 70538 | Franklin | 12,561 | $55,662 | $109,100 | $860 | 2.4% | 21.4% |
| 70380 | Morgan City | 21,043 | $54,504 | $138,300 | $876 | 6.0% | 20.8% |
| 70392 | Patterson | 8,158 | $49,538 | $141,600 | $760 | 7.3% | 20.3% |