Woodinville, WA has a population of 11,549 and is the 3,524th largest city in the United States. The population density is 2,055 per sq mi which is 2026% higher than the Washington average and 2169% higher than the national average. The median age in Woodinville is 39 which is approximately 3% higher than the Washington average of 38. In Woodinville, 59% of the population over 15 years of age are married, 84% speak English and 1% speak Spanish. 45% of Woodinville residents were born in Washington, 39% were born out of state, 2% were born outside of the United States and 13% were foreign born.