Nokomis, IL has a population of 2,230 and is the 10,425th largest city in the United States. The population density is 1,710 per sq mi which is 669% higher than the Illinois average and 1787% higher than the national average. The median age in Nokomis is 40 which is approximately 6% higher than the Illinois average of 37. In Nokomis, 67% of the population over 15 years of age are married, 99% speak English and 0% speak Spanish. 89% of Nokomis residents were born in Illinois, 10% were born out of state, 0% were born outside of the United States and 0% were foreign born.