Plano
- County:
- Collin County
- County Seat:
- No
- Area (mi²):
- 71.699
- State:
- Texas
Plano is a city located in Collin County, Texas. Plano has a 2026 population of 293,286. Plano is currently declining at a rate of -0.04% annually but its population has increased by 2.4% since the most recent census, which recorded a population of 286,422 in 2020.