Collin County, Texas
Collin County is a county in Texas with an estimated population of 1,195,359 in 2023. 23 cities, towns and Census places in it are indexed here.
Largest places in Collin County
Plano 290,190Frisco 225,007McKinney 213,509Allen 111,620Wylie 61,078Celina 43,317Prosper 41,660Princeton 28,027Anna 27,501Melissa 23,571Murphy 20,920Fairview 10,790Lucas 8,642Lavon 7,495Josephine 7,113Parker 6,192Farmersville 4,175Lowry Crossing 1,680Nevada 1,419Blue Ridge 1,200St. Paul 986Weston 816New Hope 675
About Collin County
Collin County is one of the counties of Texas. County governments in Texas handle local services such as courts, property records and elections; cities and towns inside the county run their own municipal services. Population figures come from the Census Bureau's Vintage 2023 estimates, which are updated annually.