
South Cairo
- County:
- Greene County
- County Seat:
- No
- Area (mi²):
- 2.31
- State:
- New York
South Cairo is a CDP located in Greene County, New York. South Cairo has a 2025 population of 688. South Cairo is currently growing at a rate of 7.17% annually and its population has increased by 12.42% since the most recent census, which recorded a population of 612 in 2020.
The average household income in South Cairo is $71,726 with a poverty rate of 14.81%. The median age in South Cairo is 57.2 years: 67.7 years for males, and 27.4 years for females.