About This Place
Portland is a city in and the county seat of Jay County, Indiana, United States. The population was 6,223 at the 2010 census.
Portland is located at 40°26′2″N 84°58′48″W / 40.43389°N 84.98°W / 40.43389; -84.98 (40.433884, -84.979914), along the Salamonie River.
According to the United States Census Bureau, the city has a total area of 4.1 square miles (10.6 km²), of which, 4.1 square miles (10.6 km²) of it is land and 0.24% is water.