The city of Nampa, also called "The Heart of the Treasure Valley" was incorporated in 1891 and encompasses the following counties: Canyon. Nampa's government is comprised of the Mayor, who is currently Tom Dale.
Nampa encompasses land area: 31.19 sq mi (80.78 km2), water area: 0.15 sq mi (0.39 km2). The elevation is 2,516 ft (767 m) above sea level. According to the 2010 United States Census, the local population is 81,557. This equates to a population density of 2,614.8/sq mi (1,009.6/km2). The local time zone is Mountain (UTC-7).
Zip codes in Nampa include 83651-83686-83687. Local area codes are 208. The Federal Information Processing Standard (FIPS) code for the city is 16-56260, which is used in computer filings when non-government agencies and contractors fulfill government contracts. Additional information and the official website of the city is found at ci.nampa.id.us.