McKinney’s senior population has continued to grow in recent years, with the number of the city's residents ages 65 and older reaching over 25,500 in 2024. As seen in the charts below, which are based on 2024 population estimates, seniors make up more than 11% of McKinney’s total population. Check out data about the standings of the senior population in McKinney and Collin County based on data from the U.S. Census Bureau's American Community Survey.