Orange County, North Carolina

Orange County, North Carolina
Orange County Courthouse
Location within the U.S. state of North Carolina
Coordinates: 36°04′N 79°07′W / 36.06°N 79.12°W / 36.06; -79.12
Country United States
State North Carolina
Founded1752
Named afterUnknown; possibly William V of Orange or William of Orange
SeatHillsborough
Largest communityChapel Hill
Area
 • Total
400.96 sq mi (1,038.5 km2)
 • Land397.56 sq mi (1,029.7 km2)
 • Water3.40 sq mi (8.8 km2)  0.85%
Population
 (2020)
 • Total
148,696
 • Estimate 
(2024)
152,877
 • Density374.02/sq mi (144.41/km2)
Time zoneUTC−5 (Eastern)
 • Summer (DST)UTC−4 (EDT)
Congressional district4th
Websiteorangecountync.gov

Orange County is a county located in the Piedmont region of the U.S. state of North Carolina. As of the 2020 census, the population was 148,696. Its county seat is Hillsborough. Orange County is included in the DurhamChapel Hill, NC Metropolitan Statistical Area, which is also included in the Raleigh–Durham–Cary, NC Combined Statistical Area, which had an estimated population of 2,368,947 in 2023.