Delaware County Flag

Delaware County

State:
New York
County Seat:
Delhi

Delaware County's estimated 2026 population is 44,129 with a growth rate of -0.4% in the past year according to the most recent United States census data. Delaware County is the 53rd largest county in New York. The 2010 population was 47,888 and has seen a growth of -7.85% since that time.

44,129
Total Population
31
Population Density (mi²)
53
Population Rank (State)
-176 -0.4%
Annual Population Growth

Delaware County Population

Demographics

Economics and Income Statistics