
Mckinney
- County:
- Collin County
- County Seat:
- Yes
- Area (mi²):
- 66.963
- State:
- Texas
McKinney is a city located in Collin County, Texas. McKinney has a 2025 population of 224,183. It is also the county seat of .McKinney is currently growing at a rate of 2.44% annually and its population has increased by 13.51% since the most recent census, which recorded a population of 197,497 in 2020.
The average household income in McKinney is $147,315 with a poverty rate of 6.07%. The median age in McKinney is 36.7 years: 36.3 years for males, and 37.1 years for females.