Hepler, KS has a population of 125 and is the 26,271st largest city in the United States. The population density is 125 per sq mi which is 257% higher than the Kansas average and 38% higher than the national average. The median age in Hepler is 49 which is approximately 35% higher than the Kansas average of 36. In Hepler, 65% of the population over 15 years of age are married, 89% speak English and 10% speak Spanish. 65% of Hepler residents were born in Kansas, 26% were born out of state, 2% were born outside of the United States and 8% were foreign born.