Map of Esmeralda County, Nevada shows the county’s location, the county seat, neighbouring counties, the state capital, etc. Esmeralda County is located in the west part of Nevada. Its total area is 3,589 sq mi (9,300 sq km), where 3,582 sq mi (9,280 sq km) land area and 7.2 sq mi (19 sq km) is water area. Goldfield is the county seat and Dyer the largest community.