Morrill, KS has a population of 303 and is the 22,451st largest city in the United States. The population density is 1,525 per sq mi which is 4247% higher than the Kansas average and 1583% higher than the national average. The median age in Morrill is 35 which is approximately 4% lower than the Kansas average of 36. In Morrill, 66% of the population over 15 years of age are married, 97% speak English and 3% speak Spanish. 62% of Morrill residents were born in Kansas, 37% were born out of state, 1% were born outside of the United States and 0% were foreign born.