Tonasket, WA has a population of 1,051 and is the 14,846th largest city in the United States. The population density is 1,110 per sq mi which is 1049% higher than the Washington average and 1126% higher than the national average. The median age in Tonasket is 48 which is approximately 28% higher than the Washington average of 38. In Tonasket, 54% of the population over 15 years of age are married, 91% speak English and 7% speak Spanish. 57% of Tonasket residents were born in Washington, 38% were born out of state, 0% were born outside of the United States and 5% were foreign born.