Weld County, Colorado
| Weld County | |
|---|---|
| Weld County Courthouse | |
| Location within the U.S. state of Colorado | |
| Colorado's location within the U.S. | |
| Coordinates: 40°32′N 104°24′W / 40.54°N 104.4°W | |
| Country | United States | 
| State | Colorado | 
| Founded | November 3, 1861 | 
| Named after | Lewis Ledyard Weld | 
| Seat | Greeley | 
| Largest city | Greeley | 
| Area | |
|  • Total | 4,017 sq mi (10,400 km2) | 
| • Land | 3,987 sq mi (10,330 km2) | 
| • Water | 30 sq mi (80 km2) 0.7% | 
| Population  (2020) | |
|  • Total | 328,981 | 
|  • Estimate  (2024) | 369,745 | 
| • Density | 82/sq mi (32/km2) | 
| Time zone | UTC−7 (Mountain) | 
| • Summer (DST) | UTC−6 (MDT) | 
| Congressional districts | 2nd, 4th, 8th | 
| Website | www | 
Weld County is a county located in the U.S. state of Colorado. As of the 2020 census, the population was 328,981. The county seat is Greeley. Weld County comprises the Greeley, CO Metropolitan Statistical Area, which is included in the Denver–Aurora, CO Combined Statistical Area.