McKinney is a city located in Collin County Texas. It is also the county seat of Collin County. With a 2020 population of 214,035, it is the 15th largest city in Texas and the 108th largest city in the United States . McKinney is currently growing at a rate of 3.60% annually and its population has increased by 63.24% since the most recent census, which recorded a population of 131,117 in 2010. McKinney reached it's highest population of 214,035 in 2021. Spanning over 68 miles, McKinney has a population density of 3,197 people per square mile.
The average household income in McKinney is $113,806 with a poverty rate of 6.88%. The median rental costs in recent years comes to $1,394 per month, and the median house value is $309,200. The median age in McKinney is 36.2 years, 34.9 years for males, and 37.4 years for females.