Bellevue, WI has a population of 15,187 and is the 2,803rd largest city in the United States. The population density is 1,060 per sq mi which is 1112% higher than the Wisconsin average and 1069% higher than the national average. The median age in Bellevue is 37 which is approximately 4% lower than the Wisconsin average of 39. In Bellevue, 61% of the population over 15 years of age are married, 84% speak English and 11% speak Spanish. 73% of Bellevue residents were born in Wisconsin, 16% were born out of state, 3% were born outside of the United States and 8% were foreign born.