Oquawka, IL has a population of 1,463 and is the 12,839th largest city in the United States. The population density is 996 per sq mi which is 348% higher than the Illinois average and 1000% higher than the national average. The median age in Oquawka is 46 which is approximately 22% higher than the Illinois average of 37. In Oquawka, 57% of the population over 15 years of age are married, 96% speak English and 1% speak Spanish. 61% of Oquawka residents were born in Illinois, 35% were born out of state, 1% were born outside of the United States and 3% were foreign born.