Collin County, Texas
Year Republican Democratic Third parties
2016 55.2% 201,014 38.6% 140,624 6.3% 22,792
2012 64.9% 196,888 33.4% 101,415 1.7% 5,264
2008 62.2% 184,897 36.7% 109,047 1.2% 3,513
2004 71.2% 174,435 28.1% 68,935 0.7% 1,784
2000 73.1% 128,179 24.5% 42,884 2.5% 4,357
1996 63.0% 83,750 28.5% 37,854 8.5% 11,321
1992 47.0% 60,514 19.0% 24,508 34.0% 43,811
1988 74.3% 67,776 25.1% 22,934 0.6% 520
1984 81.6% 61,095 18.2% 13,604 0.2% 139
1980 67.9% 36,559 28.2% 15,187 3.9% 2,115
1976 60.0% 21,608 39.0% 14,039 1.0% 353
1972 78.0% 17,667 21.1% 4,783 0.8% 187
1968 39.9% 6,494 36.4% 5,918 23.7% 3,850
1964 29.9% 3,341 70.0% 7,833 0.2% 19
1960 42.2% 3,865 57.1% 5,229 0.7% 64
1956 41.8% 3,823 57.8% 5,280 0.4% 34
1952 40.6% 4,037 59.4% 5,906 0.1% 7
1948 15.9% 1,155 76.1% 5,516 8.0% 579
1944 11.7% 974 78.8% 6,574 9.5% 796
1940 12.2% 1,028 87.7% 7,373 0.1% 11
Collin County is a county in the U.S. state of Texas. As of the 2010 United States Census, the county's population was 782,341, making it the seventh-most populous county in Texas and the 45th-largest county by population in the United States. Per the American Community Survey's estimates, its population reached 1,005,146 in 2018. Its county seat is McKinney. Collin County is part of the Dallas-Fort Worth-Arlington metropolitan statistical area. A small portion of the city of Dallas is in the county.