South Dakota Highway 46 is a state route that runs west to east across southeastern South Dakota

South Dakota

South Dakota is a state located in the Midwestern region of the United States. It is named after the Lakota and Dakota Sioux American Indian tribes. Once a part of Dakota Territory, South Dakota became a state on November 2, 1889. The state has an area of and an estimated population of just over...

. It begins at the junction of U.S. Highway 18 and U.S. Highway 281 in Pickstown

Pickstown, South Dakota

Pickstown is a town in Charles Mix County, South Dakota, United States. The population was 201 at the 2010 census. It was named after Lewis A. Pick, director of the Missouri River office of the United States Army Corps of Engineers.-Geography:...

, and runs due east to nearly the Iowa

Iowa

Iowa is a state located in the Midwestern United States, an area often referred to as the "American Heartland". It derives its name from the Ioway people, one of the many American Indian tribes that occupied the state at the time of European exploration. Iowa was a part of the French colony of New...

 border, before curving south to cross the border and meeting Iowa Highway 10. It is 107 miles (172 kilometers) in length.

History

South Dakota 46 was established around 1935. Its initial alignment only extended west to U.S. Highway 81. The extension further west occurred around 1960.

List of counties

South Dakota 46 travels through the following counties, from west to east:

• Charles Mix
• Bon Homme
  Bon Homme County, South Dakota
  As of the census of 2000, there were 7,260 people, 2,635 households, and 1,786 families residing in the county. The population density was 13 people per square mile . There were 3,007 housing units at an average density of 5 per square mile...
  
  
• Yankton County
  Yankton County, South Dakota
  Yankton County is a county located in the U.S. state of South Dakota. As of the 2010 census, the population was 22,438. It's county seat is Yankton.Yankton County is the only county in the Yankton Micropolitan Statistical Area.-Geography:...
  
  

In addition, the road runs along the border of several counties:

• Clay/Turner
  Turner County, South Dakota
  As of the census of 2000, there were 8,849 people, 3,510 households, and 2,478 families residing in the county. The population density was 14 people per square mile . There were 3,852 housing units at an average density of 6 per square mile...
  
  
• Clay/Lincoln
  Lincoln County, South Dakota
  As of the census of 2000, there were 24,131 people, 8,782 households, and 6,665 families residing in the county. The population density was 42 people per square mile . There were 9,131 housing units at an average density of 16 per square mile...
  
  
• Union/
  Union County, South Dakota
  As of the census of 2000, there were 12,584 people, 4,927 households, and 3,517 families residing in the county. The population density was 27 people per square mile . There were 5,345 housing units at an average density of 12 per square mile...
  
  Lincoln
  Lincoln County, South Dakota
  As of the census of 2000, there were 24,131 people, 8,782 households, and 6,665 families residing in the county. The population density was 42 people per square mile . There were 9,131 housing units at an average density of 16 per square mile...
  
  

External links

• South Dakota Highways Page: Highways 31-60