 The Manu'a District is considered to be a county-equivalent by the U.S. Census Bureau.In 2010, the Manu'a District had a per capita income of $5,441 — this makes the Manu'a District the county / county-equivalent with the lowest-per capita income in the entire United States (no populated county in the entire U.S. has a lower per capita income).Manu'a District is further divided into five counties.