St. Mary Parish vs Washington Parish
A side-by-side comparison of St. Mary Parish and Washington Parish: population, income, housing, and more.
St. Mary Parish and Washington Parish are counties in Louisiana. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.
St. Mary Parish has the higher population (48,455 vs 45,238 in Washington Parish). St. Mary Parish has the higher median household income ($51,768 vs $42,776 in Washington Parish). Washington Parish has the higher median home value ($139,400 vs $128,000 in St. Mary Parish).
Population, income & housing
| St. Mary Parish | Washington Parish | |
|---|---|---|
| Population | 48,455 | 45,238 |
| Median age | 39.7 yrs | 41.0 yrs |
| Median household income | $51,768 | $42,776 |
| Median home value | $128,000 | $139,400 |
| Median gross rent | $839 | $772 |
| Housing units | 22,510 | 21,422 |
| Homeownership rate | 69.8% | 69.4% |
| Bachelor's degree or higher | 13.1% | 12.7% |
| Unemployment rate | 5.4% | 10.8% |
Trends (ACS 5-year, 2019–2023)
| St. Mary Parish | Washington Parish | |
|---|---|---|
| Population | 50,968 → 48,455 (-4.9%) | 46,435 → 45,238 (-2.6%) |
| Median household income | $40,485 → $51,768 (+27.9%) | $37,570 → $42,776 (+13.9%) |
| Median home value | $106,900 → $128,000 (+19.7%) | $101,000 → $139,400 (+38.0%) |
| Median gross rent | $781 → $839 (+7.4%) | $655 → $772 (+17.9%) |
St. Mary Parish
50,96848,455
$40,485$51,768
$106,900$128,000
$781$839
Washington Parish
46,43545,238
$37,570$42,776
$101,000$139,400
$655$772
Age & race/ethnicity
Age distribution (share)
| St. Mary Parish | Washington Parish | |
|---|---|---|
| Under 5 | 6.7% | 6.4% |
| 5 to 17 | 17.7% | 17.3% |
| 18 to 24 | 7.6% | 7.8% |
| 25 to 34 | 11.5% | 12.0% |
| 35 to 44 | 11.9% | 12.8% |
| 45 to 54 | 11.9% | 11.7% |
| 55 to 64 | 14.7% | 13.5% |
| 65 to 74 | 10.5% | 11.2% |
| 75 and over | 7.5% | 7.4% |
Race & ethnicity (share)
| St. Mary Parish | Washington Parish | |
|---|---|---|
| White (non-Hispanic) | 53.9% | 63.6% |
| Black or African American | 28.9% | 29.7% |
| American Indian & Alaska Native | 1.5% | 0.2% |
| Asian | 1.3% | 0.1% |
| Native Hawaiian & Pacific Islander | 0.0% | 0.0% |
| Some other race | 0.3% | 0.4% |
| Two or more races | 4.7% | 3.0% |
| Hispanic or Latino | 9.4% | 3.2% |
Educational attainment (age 25+)
Share of adults 25+
| St. Mary Parish | Washington Parish | |
|---|---|---|
| No high school diploma | 19.4% | 15.9% |
| High school graduate | 46.0% | 45.4% |
| Some college or associate's | 21.4% | 25.9% |
| Bachelor's degree | 8.8% | 8.5% |
| Graduate or professional degree | 4.3% | 4.2% |
Commute to work
How workers get to work (share)
| St. Mary Parish | Washington Parish | |
|---|---|---|
| Drove alone | 84.1% | 75.4% |
| Carpooled | 8.2% | 11.0% |
| Public transit | 0.0% | 0.4% |
| Walked | 1.3% | 1.5% |
| Bicycle | 0.5% | 0.1% |
| Worked from home | 5.2% | 3.9% |
| Other means | 0.7% | 7.7% |
Housing
Units in structure (share)
| St. Mary Parish | Washington Parish | |
|---|---|---|
| 1-unit, detached | 68.5% | 68.1% |
| 1-unit, attached | 0.5% | 0.9% |
| 2 to 4 units | 7.2% | 4.6% |
| 5 to 19 units | 3.7% | 1.1% |
| 20 or more units | 1.4% | 1.2% |
| Mobile home & other | 18.7% | 24.2% |
Poverty & households
| St. Mary Parish | Washington Parish | |
|---|---|---|
| Poverty rate | 22.1% | 24.2% |
| Average household size | 2.55 | 2.47 |
| Mean commute (minutes) | 25 | 33 |
| Median year structure built | 1976 | 1980 |
Full profiles
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