Allen County, IN
Covering an area of 660 mi², Allen County is located in eastern Indiana and is the third most populous county in the state. According to the 2018 census, Allen County has a population of 375,351. Fort Wayne, the county seat, is located at the confluence of the St. Mary, Maumee, and St. Joseph rivers - it is sometimes referred to as the “City of Churches”. Allen County was established in 1823.