Mattawa, Colville Reservation
It is located about 30 miles north of the Yakima Reservation. Mattawa has a population of 4,437 according to the 2010 census. Native Americans including Hispanics, make up 96% of the city's population. Whites make up 3% of the population of Mattawa. The city has a total of 843 housing units which gives Mattawa an average household size of 5.4 persons per housing unit. The citizens of Mattawa are not doing well economically. Nearly 35% of the city's citizens live below the poverty line. The city covers 0.5 sq. mi. Zip code is 99349. Elevation is 768 feet above sea level. Below are several links to pictures of the Anishinabe city of Mattawa, Colville Reservation.