Roxbury, KS has a population of 62 and is the 27,867th largest city in the United States. The population density is 15 per sq mi which is 56% lower than the Kansas average and 83% lower than the national average. The median age in Roxbury is 55 which is approximately 51% higher than the Kansas average of 36. In Roxbury, 100% of the population over 15 years of age are married, 100% speak English and 0% speak Spanish. 0% of Roxbury residents were born in Kansas, 100% were born out of state, 0% were born outside of the United States and 0% were foreign born.