Lafayette Parish's 2026 population is estimated at 261,751, reflecting a 1.46% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Lafayette Parish is the 5th largest parish in Louisiana. The 2010 population was 222,513 and has grown 17.63% since 2010.
Data after 2023 is projected based on recent change
Overall: 36.5 years
Female: 37.4 years
Male: 35.7 years
There are 188,049 adults, (36,468 of whom are seniors) in Lafayette Parish.
Female: 126,908 (51.2%)
Male: 121,089 (48.8%)
The racial composition of Lafayette Parish includes 62.74% White, 25.4% Black or African American, and smaller percentages for Asian, other race, Native American, Native Hawaiian or Pacific Islander and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 155,592 | 62.74% |
| Black or African American | 62,988 | 25.4% |
| Two or more races | 20,219 | 8.15% |
| Asian | 4,794 | 1.93% |
| Other race | 3,973 | 1.6% |
| Native American | 298 | 0.12% |
| Native Hawaiian or Pacific Islander | 133 | 0.05% |
Lafayette Parish 's average per capita income is $49,634. Household income levels show a median of $67,451. The poverty rate stands at 17.12%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $112,227 | $138,504 |
| Families | $89,939 | $115,705 |
| Households | $67,451 | $97,461 |
| Non Families | $40,599 | $64,221 |
Average Income
Median Household Income
Poverty Rate