Haines City
- County:
- Polk County
- County Seat:
- No
- Area (mi²):
- 23.865
- State:
- Florida
Haines City is a city located in Polk County, Florida. Haines City has a 2026 population of 42,073. Haines City is currently growing at a rate of 12.08% annually and its population has increased by 50.53% since the most recent census, which recorded a population of 27,949 in 2020.