Kremlin, OK has a population of 215 and is the 24,122nd largest city in the United States. The population density is 844 per sq mi which is 1446% higher than the Oklahoma average and 831% higher than the national average. The median age in Kremlin is 41 which is approximately 12% higher than the Oklahoma average of 36. In Kremlin, 72% of the population over 15 years of age are married, 96% speak English and 3% speak Spanish. 75% of Kremlin residents were born in Oklahoma, 24% were born out of state, 0% were born outside of the United States and 1% were foreign born.