Hill City, KS has a population of 1,440 and is the 12,931st largest city in the United States. The population density is 1,441 per sq mi which is 4008% higher than the Kansas average and 1491% higher than the national average. The median age in Hill City is 52 which is approximately 43% higher than the Kansas average of 36. In Hill City, 70% of the population over 15 years of age are married, 96% speak English and 1% speak Spanish. 71% of Hill City residents were born in Kansas, 26% were born out of state, 0% were born outside of the United States and 3% were foreign born.