Leawood, KS has a population of 33,763 and is the 1,254th largest city in the United States. The population density is 2,235 per sq mi which is 6271% higher than the Kansas average and 2367% higher than the national average. The median age in Leawood is 45 which is approximately 25% higher than the Kansas average of 36. In Leawood, 76% of the population over 15 years of age are married, 94% speak English and 2% speak Spanish. 30% of Leawood residents were born in Kansas, 64% were born out of state, 1% were born outside of the United States and 5% were foreign born.