Delta County Flag

Delta County

State:
Colorado
County Seat:
Delta

Delta County's 2026 population is estimated at 33,125, reflecting a 1.39% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Delta County is the 18th largest county in Colorado. The 2010 population was 30,858 and has grown 7.35% since 2010.

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