Tompkins County's 2026 population is estimated at 105,796, reflecting a 0.09% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Tompkins County is the 27th largest county in New York. The 2010 population was 101,743 and has grown 3.98% since 2010.
Data after 2023 is projected based on recent change
Overall: 32.3 years
Female: 33.6 years
Male: 30.8 years
There are 89,792 adults, (16,994 of whom are seniors) in Tompkins County.
Female: 53,644 (51.3%)
Male: 50,893 (48.7%)
The racial composition of Tompkins County includes 75.25% White, 10.18% Asian, 4.17% Black or African American, 3.07% other race, and smaller percentages for Native American, Native Hawaiian or Pacific Islander and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 78,663 | 75.25% |
| Asian | 10,646 | 10.18% |
| Two or more races | 7,344 | 7.03% |
| Black or African American | 4,358 | 4.17% |
| Other race | 3,206 | 3.07% |
| Native American | 266 | 0.25% |
| Native Hawaiian or Pacific Islander | 54 | 0.05% |
Tompkins County 's average per capita income is $54,591. Household income levels show a median of $74,024. The poverty rate stands at 16.36%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $132,958 | - |
| Families | $114,291 | $139,195 |
| Households | $74,024 | $102,718 |
| Non Families | $44,973 | $62,873 |
Average Income
Median Household Income
Poverty Rate
