Overbrook, KS has a population of 1,024 and is the 14,998th largest city in the United States. The population density is 1,882 per sq mi which is 5266% higher than the Kansas average and 1978% higher than the national average. The median age in Overbrook is 44 which is approximately 22% higher than the Kansas average of 36. In Overbrook, 65% of the population over 15 years of age are married, 99% speak English and 0% speak Spanish. 69% of Overbrook residents were born in Kansas, 31% were born out of state, 0% were born outside of the United States and 1% were foreign born.