Dutchess County Flag

Dutchess County

State:
New York
County Seat:
Poughkeepsie

Dutchess County's 2026 population is estimated at 302,160, reflecting a 0.48% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Dutchess County is the 15th largest county in New York. The 2010 population was 297,721 and has grown 1.49% since 2010.

302,160
Total Population
380
Population Density (mi²)
15
Population Rank (State)
1.5K 0.48%
Annual Population Growth

Dutchess County Population

Demographics

Economics and Income Statistics