Collin County | |
|---|---|
 The Collin County Courthouse in McKinney | |
 Flag  Seal | |
 Location within the U.S. state of Texas | |
 Texas's location within the U.S. | |
| Coordinates: 33°11′N 96°35′W / 33.18°N 96.58°W | |
| Country |  United States |
| State |  Texas |
| Founded | 1846 |
| Named for | Collin McKinney |
| Seat | McKinney |
| Largest city | Plano |
| Area | |
| • Total | 886 sq mi (2,290 km2) |
| • Land | 841 sq mi (2,180 km2) |
| • Water | 45 sq mi (120 km2) 5.1% |
| Population (2020) | |
| • Total | 1,064,465 |
| • Estimate (2021) | 1,109,462  |
| • Density | 1,200/sq mi (460/km2) |
| Time zone | UTC−6 (Central) |
| • Summer (DST) | UTC−5 (CDT) |
| Congressional districts | 3rd, 4th, 32nd |
| Website | www |
Collin County is a county in the U.S. state of Texas. It is part of the Dallas-Fort Worth-Arlington metropolitan statistical area, and a small part of Dallas is in the county. At the 2020 United States census, the county's population was 1,064,465, making it Texas's sixth-most populous county and the 43rd-largest county by population in the United States.[1] Its county seat is McKinney.[2]
- ^ "2020 Population and Housing State Data". United States Census Bureau. Archived from the original on August 12, 2021. Retrieved August 20, 2021.
- ^ "Find a County". National Association of Counties. Archived from the original on May 31, 2011. Retrieved June 7, 2011.