Rockland County's 2026 population is estimated at 357,812, reflecting a 1.37% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Rockland County is the 13th largest county in New York. The 2010 population was 312,497 and has grown 14.5% since 2010.
Data after 2023 is projected based on recent change
Overall: 34.8 years
Female: 36.3 years
Male: 33.4 years
There are 240,254 adults, (53,669 of whom are seniors) in Rockland County.
Female: 172,523 (50.5%)
Male: 169,360 (49.5%)
The racial composition of Rockland County includes 62.38% White, 10.84% other race, 10.67% Black or African American, 6% Asian, and smaller percentages for Native American, Native Hawaiian or Pacific Islander and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 213,256 | 62.38% |
| Other race | 37,059 | 10.84% |
| Black or African American | 36,482 | 10.67% |
| Two or more races | 33,004 | 9.65% |
| Asian | 20,530 | 6% |
| Native American | 1,457 | 0.43% |
| Native Hawaiian or Pacific Islander | 95 | 0.03% |
Rockland County 's average per capita income is $60,961. Household income levels show a median of $109,959. The poverty rate stands at 16.25%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $143,176 | $179,815 |
| Families | $127,187 | $165,934 |
| Households | $109,959 | $148,075 |
| Non Families | $60,389 | $82,003 |
Average Income
Median Household Income
Poverty Rate