Summerfield is a town in Guilford County, North Carolina, United States. The population was 7,018 at the 2000 census. At the 2010 census, the population had risen to 10,232. The official town limits of Summerfield is entirely located within Guilford County. The town is largely regarded as a suburb of Greensboro and as development has grown, the town has slowly transformed from a rural farming area into a bedroom community.