About 57038 - Jefferson, South Dakota
ZIP code 57038 covers the community of Jefferson in South Dakota, the United States. This area falls under Union County.
Census data puts the population of this ZIP code at 1,796 residents. This is roughly in line with the South Dakota average of about 2,435 residents.
Population density runs around 13 people per sq. mile, making it a rural area.
Other ZIP code codes in South Dakota serve areas such as Sioux Falls, Rapid City.