Delaware County's 2026 population is estimated at 43,545, reflecting a -0.74% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Delaware County is the 53rd largest county in New York. The 2010 population was 47,888 and has grown -9.07% since 2010.
Data after 2023 is projected based on recent change
Overall: 48.8 years
Female: 49.8 years
Male: 48.3 years
There are 37,413 adults, (11,747 of whom are seniors) in Delaware County.
Female: 21,877 (49.2%)
Male: 22,610 (50.8%)
The racial composition of Delaware County includes 89.85% White, and smaller percentages for other race, Black or African American, Asian, Native American and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 39,970 | 89.85% |
| Two or more races | 2,840 | 6.38% |
| Other race | 483 | 1.09% |
| Black or African American | 481 | 1.08% |
| Asian | 405 | 0.91% |
| Native American | 308 | 0.69% |
Delaware County 's average per capita income is $46,044. Household income levels show a median of $63,337. The poverty rate stands at 14.41%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $91,357 | - |
| Families | $78,872 | $99,893 |
| Households | $63,337 | $85,568 |
| Non Families | $42,208 | $58,366 |
Average Income
Median Household Income
Poverty Rate