Westwood Hills, KS has a population of 414 and is the 20,690th largest city in the United States. The population density is 6,479 per sq mi which is 18369% higher than the Kansas average and 7051% higher than the national average. The median age in Westwood Hills is 47 which is approximately 30% higher than the Kansas average of 36. In Westwood Hills, 73% of the population over 15 years of age are married, 90% speak English and 3% speak Spanish. 28% of Westwood Hills residents were born in Kansas, 63% were born out of state, 2% were born outside of the United States and 7% were foreign born.