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Mattawa
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About Mattawa
Mattawa is located in Grant county Washington with a geographic area of 0.9 square miles. The total population in Mattawa is 5,040 with 49.4% male and 50.6% female. Children under age 5 represent 6.7% of the population, under age 18 equal 35.6% of the population and over age 65 is 2.2% of the population. The median household income is $48,614, per capita income is $14,668. There are a total of 1,261 housing units with 42.2% owner occupied. Education includes 29.3% of residents that are high school graduates and 1.3% with a bachelor's degree or higher. The average temperature in Mattawa in the summer is 75 degrees, and in the winter 42 degrees.