South Lansing is a CDP located in Tompkins County, New York. South Lansing has a 2026 population of 1,518. South Lansing is currently growing at a rate of 6.68% annually and its population has decreased by 0% since the most recent census, which recorded a population of 0 in 2020.
The median age in South Lansing is 30.5 years: 32.6 years for males, and 30.1 years for females. For every 100 females there are 64.9 males.
Data after 2023 is projected based on recent change
Overall: 30.5 years
Female: 30.1 years
Male: 32.6 years
There are 1,251 adults, (235 of whom are seniors) in South Lansing.
Female: 907 (60.6%)
Male: 589 (39.4%)
The racial composition of South Lansing includes 85.7% White, 5.35% Black or African American, and smaller percentages for other race, Asian, Native Hawaiian or Pacific Islander and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 1,282 | 85.7% |
| Two or more races | 92 | 6.15% |
| Black or African American | 80 | 5.35% |
| Other race | 27 | 1.8% |
| Asian | 9 | 0.6% |
| Native Hawaiian or Pacific Islander | 6 | 0.4% |