Cazenovia, WI has a population of 411 and is the 20,721st largest city in the United States. The population density is 449 per sq mi which is 414% higher than the Wisconsin average and 396% higher than the national average. The median age in Cazenovia is 43 which is approximately 10% higher than the Wisconsin average of 39. In Cazenovia, 58% of the population over 15 years of age are married, 100% speak English and 0% speak Spanish. 92% of Cazenovia residents were born in Wisconsin, 7% were born out of state, 0% were born outside of the United States and 1% were foreign born.