Anna
- County:
- Collin County
- County Seat:
- No
- Area (mi²):
- 17.825
- State:
- Texas
Anna is a city located in Collin County, Texas. Anna has a 2026 population of 31,986. Anna is currently growing at a rate of 14.61% annually and its population has increased by 82.24% since the most recent census, which recorded a population of 17,552 in 2020.