Kenosha, WI has a population of 99,865 and is the 312th largest city in the United States. The population density is 3,601 per sq mi which is 4018% higher than the Wisconsin average and 3874% higher than the national average. The median age in Kenosha is 35 which is approximately 10% lower than the Wisconsin average of 39. In Kenosha, 49% of the population over 15 years of age are married, 86% speak English and 11% speak Spanish. 54% of Kenosha residents were born in Wisconsin, 37% were born out of state, 1% were born outside of the United States and 7% were foreign born.