Jay County Flag

Jay County

State:
Indiana
County Seat:
Portland

Jay County's estimated 2026 population is 19,977 with a growth rate of -0.7% in the past year according to the most recent United States census data. Jay County is the 72nd largest county in Indiana. The 2010 population was 21,179 and has seen a growth of -5.68% since that time.

19,977
Total Population
52
Population Density (mi²)
72
Population Rank (State)
-141 -0.7%
Annual Population Growth

Jay County Population

Demographics

Economics and Income Statistics