Weld County Flag

Weld County

State:
Colorado
County Seat:
Greeley

Weld County's estimated 2026 population is 388,803 with a growth rate of 2.51% in the past year according to the most recent United States census data. Weld County is the 7th largest county in Colorado. The 2010 population was 254,224 and has seen a growth of 52.94% since that time.

388,803
Total Population
98
Population Density (mi²)
7
Population Rank (State)
9.5K 2.51%
Annual Population Growth

Weld County Population

Demographics

Economics and Income Statistics