Spokane Valley, WA has a population of 93,322 and is the 343rd largest city in the United States. The population density is 2,474 per sq mi which is 2459% higher than the Washington average and 2630% higher than the national average. The median age in Spokane Valley is 38 which is approximately 1% higher than the Washington average of 38. In Spokane Valley, 58% of the population over 15 years of age are married, 92% speak English and 3% speak Spanish. 56% of Spokane Valley residents were born in Washington, 38% were born out of state, 1% were born outside of the United States and 5% were foreign born.