The median age in Centerville was 44.5 years, with 20.4% of inhabitants under the age of 18, 6.9% between 18 and 24 years old, 23.0% between 25 and 44, 26.7% between 45 and 64, and 23.0% 65 years old or older. The sex ratio was 52.9% male, 47.1% female.<ref>https://factfinder.census.gov/faces/tableservices/jsf/pages/productview.xhtml?src=CF</ref> | The median age in Centerville was 44.5 years, with 20.4% of inhabitants under the age of 18, 6.9% between 18 and 24 years old, 23.0% between 25 and 44, 26.7% between 45 and 64, and 23.0% 65 years old or older. The sex ratio was 52.9% male, 47.1% female.<ref>https://factfinder.census.gov/faces/tableservices/jsf/pages/productview.xhtml?src=CF</ref> |