Union County, North Carolina

Union County, North Carolina
Motto: 
"Plant your future."
Location within the U.S. state of North Carolina
Coordinates: 34°59′N 80°32′W / 34.99°N 80.53°W / 34.99; -80.53
Country United States
State North Carolina
Founded1842
Named afterCompromise name that both local Democrats and Whigs agreed on
SeatMonroe
Largest communityIndian Trail
Area
 • Total
639.65 sq mi (1,656.7 km2)
 • Land632.74 sq mi (1,638.8 km2)
 • Water6.91 sq mi (17.9 km2)  1.08%
Population
 (2020)
 • Total
238,267
 • Estimate 
(2024)
263,386
 • Density376.56/sq mi (145.39/km2)
Time zoneUTC−5 (Eastern)
 • Summer (DST)UTC−4 (EDT)
Congressional districts8th
Websitewww.unioncountync.gov

Union County is a county located in the U.S. state of North Carolina. As of the 2020 census, the population was 238,267. Its county seat is Monroe. Union County is included in the Charlotte-Concord-Gastonia, NC-SC Metropolitan Statistical Area.