Prairie Village, KS has a population of 21,824 and is the 1,996th largest city in the United States. The population density is 3,514 per sq mi which is 9916% higher than the Kansas average and 3778% higher than the national average. The median age in Prairie Village is 39 which is approximately 7% higher than the Kansas average of 36. In Prairie Village, 63% of the population over 15 years of age are married, 96% speak English and 2% speak Spanish. 36% of Prairie Village residents were born in Kansas, 61% were born out of state, 1% were born outside of the United States and 3% were foreign born.