Parkland, WA has a population of 36,998 and is the 1,128th largest city in the United States. The population density is 4,281 per sq mi which is 4328% higher than the Washington average and 4625% higher than the national average. The median age in Parkland is 31 which is approximately 18% lower than the Washington average of 38. In Parkland, 45% of the population over 15 years of age are married, 76% speak English and 10% speak Spanish. 46% of Parkland residents were born in Washington, 35% were born out of state, 5% were born outside of the United States and 14% were foreign born.