Jay County, county in Indiana, United States of America. As of 2020 county had an estimated population of 20,416 inhabitants. The county was created 188 years ago in 1836. Its county seat is Portland.
There are 1 city/town in Jay County, IN. The largest city of Jay County is Portland with a population of 5,992.
List of cities, towns, neighborhoods & other populated places in Jay County.
City Name | Title | Population |
---|---|---|
Portland | City in and the county seat of Jay County, Indiana, United States of America | 5,992 |