McKinney is a city in Collin County, Texas (USA). As of the 2000 census, the city had a total population of 54,369, while estimates for its 2004 population are over 90,000. It is the county seat of Collin County and is a northern suburb of Dallas. According to the census, McKinney was the fastest growing city in the United States from 2000 to 2003 among cities larger than 50,000 people. This is due to the fact that McKinney is currently at the northeastern edge of the development in the fast growing suburbs north of Dallas. With the amount of land available within the city limits, McKinney will likely reach an ultimate population of over 300,000.
McKinney and Collin County are named after Collin McKinney, one of the five men who drafted the Texas Declaration of Independence and the oldest of the 59 men who signed it.
McKinney is home to the Dallas Revolution, an Independent Women’s Football League team and is the home of the Central Park Campus of the Collin County Community College District, the first CCCCD campus to open.
There are 18,186 households out of which 45.1% had children under the age of 18 living with them, 63.6% were married couples living together, 9.5% had a female householder with no husband present, and 23.2% were non-families. 19.0% of all households were made up of individuals and 5.3% had someone living alone who was 65 years of age or older. The average household size was 2.89 and the average family size was 3.29.
In the city the population was spread out with 30.9% under the age of 18, 9.3% from 18 to 24, 36.4% from 25 to 44, 16.5% from 45 to 64, and 6.8% who were 65 years of age or older. The median age was 31 years. For every 100 females there were 102.4 males. For every 100 females age 18 and over, there were 99.4 males.
The median income for a household in the city was $63,366, and the median income for a family was $72,133. Males had a median income of $50,663 versus $32,074 for females. The per capita income for the city was $28,185. About 4.9% of families and 8.5% of the population were below the poverty line, including 9.2% of those under age 18 and 7.9% of those age 65 or over.