Independence, KS has a population of 9,084 and is the 4,226th largest city in the United States. The population density is 1,193 per sq mi which is 3215% higher than the Kansas average and 1217% higher than the national average. The median age in Independence is 35 which is approximately 3% lower than the Kansas average of 36. In Independence, 56% of the population over 15 years of age are married, 95% speak English and 3% speak Spanish. 61% of Independence residents were born in Kansas, 32% were born out of state, 2% were born outside of the United States and 4% were foreign born.