Mattawa is located in Grant County, WA. The population is 4,361, making Mattawa the 4th largest city in Grant County.
There are 8 public schools in Mattawa with an average Homefacts rating of C-. The total crime rate for Mattawa is very low , and there are 0 registered sex offenders residing in the city. Unemployment in Mattawa is very high and the median home sales price is $0. Detailed and up-to-date Mattawa property reports are available for any property address.
Cities near Mattawa include Desert Aire, Vantage and Royal City.