Jay County, Indiana

Jay County, Indiana
Location within the U.S. state of Indiana
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 (0.47 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.