Jefferson, South Dakota
Jefferson is a city in Union County, South Dakota, United States. The population was 541 at 2013 census. It is part of the Sioux City, IA-NE-SD Metropolitan Area. Jefferson was founded in 1859. Every year the citizens of Jefferson and surrounding areas celebrate the founding of Jefferson during the "Days of '59" , a festival that includes softball, basketball, horseshoes, car show, fireworks and a parade.
Males: 264 (48.9%)
Females: 277 (51.1%)
Median resident age: 37.0 years
South Dakota median age: 36.6 years
Zip codes: 57038
Read more: http://www.city-data.com/city/Jefferson-South-Dakota.html#ixzz3u1tbm0s8