Washington Parish's 2026 population is estimated at 45,368, reflecting a 0.31% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Washington Parish is the 24th largest parish in Louisiana. The 2010 population was 47,083 and has grown -3.64% since 2010.
Data after 2023 is projected based on recent change
Overall: 40.9 years
Female: 42.3 years
Male: 39 years
There are 34,409 adults, (8,686 of whom are seniors) in Washington Parish.
Female: 22,274 (49.4%)
Male: 22,846 (50.6%)
The racial composition of Washington Parish includes 63.11% White, 26.93% Black or African American, and smaller percentages for other race, Native American, Native Hawaiian or Pacific Islander, Asian and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 28,473 | 63.11% |
| Black or African American | 12,151 | 26.93% |
| Two or more races | 3,762 | 8.34% |
| Other race | 341 | 0.76% |
| Native American | 224 | 0.5% |
| Native Hawaiian or Pacific Islander | 132 | 0.29% |
| Asian | 37 | 0.08% |
Washington Parish 's average per capita income is $37,662. Household income levels show a median of $45,380. The poverty rate stands at 24.32%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $81,229 | - |
| Families | $61,763 | $80,923 |
| Households | $45,380 | $65,215 |
| Non Families | $22,380 | $35,910 |
Average Income
Median Household Income
Poverty Rate