McKinney is a city in and the county seat of Collin County, Texas, United States, and the second in population to Plano. According to the U.S. Census Bureau, the city’s 2010 population was 131,117 making it the nineteenth most populous city in the state of Texas.
In the September 2012 CNN’s Money Magazine’s issue, McKinney was ranked 2nd place as Best Places to Live in the United States. In July 2010, McKinney was ranked 5th place in CNN’s Money Magazine’s list of best places to live in the United States. Also, McKinney is the only City in Texas that made the top ten. McKinney is one of several fast-growing communities on the northeastern edge of the Dallas-Fort Worth Metroplex.
According to a 2007 estimate, the median income for a household in the city was $74,790, and the median income for a family was $87,193.