
Portland
- County:
- Jay County
- County Seat:
- Yes
- Area (mi²):
- 4.873
- State:
- Indiana
Portland is a city located in Jay County, Indiana. Portland has a 2025 population of 6,095. It is also the county seat of Jay County. Portland is currently declining at a rate of -0.75% annually and its population has decreased by -3.62% since the most recent census, which recorded a population of 6,324 in 2020.
The average household income in Portland is $62,034 with a poverty rate of 16.66%. The median age in Portland is 38.2 years: 37.2 years for males, and 40.8 years for females.