Assumption Parish's 2026 population is estimated at 19,704, reflecting a -0.87% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Assumption Parish is the 43rd largest parish in Louisiana. The 2010 population was 23,332 and has grown -15.55% since 2010.
Data after 2023 is projected based on recent change
Overall: 42.8 years
Female: 44.2 years
Male: 41.1 years
There are 16,296 adults, (4,167 of whom are seniors) in Assumption Parish.
Female: 10,463 (51.1%)
Male: 10,021 (48.9%)
The racial composition of Assumption Parish includes 65.01% White, 27.65% Black or African American, and smaller percentages for Asian, Native American, other race and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 13,317 | 65.01% |
| Black or African American | 5,664 | 27.65% |
| Two or more races | 1,134 | 5.54% |
| Asian | 186 | 0.91% |
| Native American | 143 | 0.7% |
| Other race | 40 | 0.2% |
Assumption Parish 's average per capita income is $45,725. Household income levels show a median of $51,423. The poverty rate stands at 15.29%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $90,881 | - |
| Families | $73,577 | $97,002 |
| Households | $51,423 | $76,369 |
| Non Families | $24,875 | $33,593 |
Average Income
Median Household Income
Poverty Rate