Union County is a county located in the U.S. state of North Carolina. As of 2000, the population was 123,677; its 2008 population was estimated by the U.S. Census Bureau to be 193,255. Its county seat is Monroe. It is often referred to by the nickname “Sweet Union”.
The county was formed in 1842 from parts of Anson County and Mecklenburg County. Its name was a compromise between Whigs, who wanted to name the new county for Henry Clay, and Democrats, who wanted to name it for Andrew Jackson.