Greensboro is a city in Guilford County, North Carolina, United States, and its county seat. Its population was 299,035 in the 2020 census and estimated at 307,381 in 2024, making it the third-most populous city in North Carolina and the 69th-most populous city in the U.S. The Greensboro–High Point metropolitan area has an estimated 801,000 residents. It is the most populous city in North Carolina's Piedmont Triad region, home to about 1.7 million residents.