Jay County, Indiana

Jay County
Location within the U.S. state of Indiana
Indiana's location within the U.S.
Coordinates: 40°26′N 85°01′W / 40.43°N 85.01°W / 40.43; -85.01
Country United States
State Indiana
FoundedFebruary 7, 1835 (authorized)
1836 (organized)
Named afterJohn Jay
SeatPortland
Largest cityPortland
Area
  Total
384.08 sq mi (994.8 km2)
  Land383.90 sq mi (994.3 km2)
  Water0.18 sq mi (0.5 km2)  0.05%
Population
 (2020)
  Total
20,478
  Estimate 
(2024)
20,164
  Density52.5/sq mi (20.3/km2)
Time zoneUTC−5 (Eastern)
  Summer (DST)UTC−4 (EDT)
Congressional district3rd
Websitejaycounty.net
Indiana county number 38
Jay County Sheriff's Department
Jurisdictional structure
Operations jurisdictionJay, Indiana, United States
Legal jurisdictionAs per operations jurisdiction
General nature
Operational structure
Agency executives
  • Dwane Ford, Sheriff
  • Patrick Wells, Chief Deputy
Facilities
Jails1

Jay County is a county in the U.S. state of Indiana. As of 2020, the population was 20,478. The county seat is Portland.