Tieton, WA has a population of 1,382 and is the 13,167th largest city in the United States. The population density is 1,577 per sq mi which is 1531% higher than the Washington average and 1641% higher than the national average. The median age in Tieton is 29 which is approximately 23% lower than the Washington average of 38. In Tieton, 56% of the population over 15 years of age are married, 33% speak English and 67% speak Spanish. 50% of Tieton residents were born in Washington, 14% were born out of state, 2% were born outside of the United States and 34% were foreign born.