Delta County Flag

Delta County

State:
Colorado
County Seat:
Delta

Delta County's estimated 2026 population is 33,125 with a growth rate of 1.39% in the past year according to the most recent United States census data. Delta County is the 18th largest county in Colorado. The 2010 population was 30,858 and has seen a growth of 7.35% since that time.

33,125
Total Population
29
Population Density (mi²)
18
Population Rank (State)
455 1.39%
Annual Population Growth

Delta County Population

Demographics

Economics and Income Statistics