Dill City, OK has a population of 641 and is the 18,024th largest city in the United States. The population density is 1,178 per sq mi which is 2059% higher than the Oklahoma average and 1201% higher than the national average. The median age in Dill City is 33 which is approximately 8% lower than the Oklahoma average of 36. In Dill City, 66% of the population over 15 years of age are married, 98% speak English and 0% speak Spanish. 63% of Dill City residents were born in Oklahoma, 35% were born out of state, 1% were born outside of the United States and 1% were foreign born.