Raleigh is the capital city of the U.S. state of North Carolina and the seat of Wake County. It is the second-most populous city in North Carolina, after Charlotte. Raleigh is the tenth-most populous city in the Southeast, the 41st-most populous city in the U.S., and the largest city of the Research Triangle metro area. Raleigh is known as the "City of Oaks" for its many oak trees, which line the streets in the heart of the city. The city covers a land area of 147.6 sq mi. The U.S. Census Bureau counted the city's population as 467,665 in the 2020 census.