Jay County, Indiana
Jay County is a county located in the state of Indiana in the United States. At the census in 2000 21.806 inhabitants were counted. The administrative headquarters ( County Seat) is Portland.
Geography
The neighboring counties are ( starting in the north clockwise): Adams County, Mercer County ( Ohio), Darke County ( Ohio), Randolph County, Delaware County, Blackford County and Wells County.
Demographics
1900-1990 2000 2010