Princeton
- County:
- Collin County
- County Seat:
- No
- Area (mi²):
- 14.421
- State:
- Texas
Princeton is a city located in Collin County, Texas. Princeton has a 2026 population of 37,019. Princeton is currently growing at a rate of 30.64% annually and its population has increased by 110.71% since the most recent census, which recorded a population of 17,569 in 2020.