Hamilton County, Indiana

county in Indiana, United States

Hamilton County is a county in the U.S. state of Indiana. As of the 2020 census, the county's population was 347,467.[1] The county seat is Noblesville.[2]

Hamilton County
Hamilton County courthouse in Noblesville, Indiana
Hamilton County courthouse in Noblesville, Indiana
Map of Indiana highlighting Hamilton County
Location within the U.S. state of Indiana
Map of the United States highlighting Indiana
Indiana's location within the U.S.
Coordinates: 40°04′N 86°03′W / 40.07°N 86.05°W / 40.07; -86.05
Country United States
State Indiana
Founded1823
Named forAlexander Hamilton
SeatNoblesville
Largest cityCarmel
Area
 • Total402.44 sq mi (1,042.3 km2)
 • Land394.27 sq mi (1,021.2 km2)
 • Water8.17 sq mi (21.2 km2)  2.03%
Population
 • Total347,467
 • Density690/sq mi (266/km2)
Time zoneUTC−5 (Eastern)
 • Summer (DST)UTC−4 (EDT)
Congressional district5th
Websitewww.hamiltoncounty.in.gov
 
  • Indiana county number 29
  • Fastest-growing county in the state
  • Most affluent county in the state

Cities change

Towns change

References change

  1. 1.0 1.1 "QuickFacts: Hamilton County, Indiana". United States Census Bureau. Retrieved September 25, 2023.
  2. "Find a County". National Association of Counties. Retrieved November 8, 2015.