Charles Mix County, South Dakota

Charles Mix County population, land area and income

Charles Mix County had 9,343 residents in the Census Vintage 2024 estimate, on 1,097.1 square miles of land. It ranks 19th of 66 in South Dakota by population and 27th by land area. That works out to 8.5 people per square mile, below the US average of 96.3, and in the bottom quarter nationally.

The median county-equivalent in South Dakota has 5,296 residents; Charles Mix County is somewhat larger.

Its SAIPE 2023 median household income of $59,721 is below the national county median among 3,143 counties with an estimate.

How Charles Mix County's population changed since 2020

Charles Mix County lost 26 residents between the July 2020 and July 2024 estimates, a drop of 0.3%. That ranks 46th of 66 in South Dakota for growth. The median South Dakota county changed by +0.8%, and the state as a whole by +4.1%.

Since the April 2020 estimates base, Charles Mix County recorded 614 births and 448 deaths, a natural change of +166. Net international migration added +9 and net domestic migration, people moving to or from other US counties, came to -205. The largest single component was domestic migration, which removed 205 people.

Where Charles Mix County is

The Census internal point of Charles Mix County is at 43.206200, -98.595100. It sits in UTM zone 14N. The map shades South Dakota's 66 county-equivalents by population change from 2020 to 2024, darker for faster growth, with Charles Mix County outlined. Dots are towns of 1,000+ people with residents in it.

Towns in Charles Mix County

2 incorporated places of 1,000+ people have residents in Charles Mix County, 2,678 people together, or 29% of the county. Each figure counts only the part of the town inside Charles Mix County; towns marked "part" extend into another county. The largest is Wagner with 1,429.

Counties bordering Charles Mix County

The Census 2024 county adjacency file lists 9 neighbors for Charles Mix County, including 2 across a state line. The most populous is Knox County, NE, with 8,306 residents. Distances run between Census internal points in a straight line.

• NE

  Knox County, NE

  8,306 people

  53 mi SE

• Hutchinson County

  7,416 people

  43 mi ENE

• Bon Homme County

  7,071 people

  39 mi ESE

• Brule County

  5,261 people

  44 mi NW

• Gregory County

  4,110 people

  31 mi W

• Lyman County

  3,721 people

  78 mi NW

• Douglas County

  2,849 people

  17 mi NE

• Aurora County

  2,752 people

  36 mi N

• NE

  Boyd County, NE

  1,700 people

  23 mi SSW

Distance to Pierre and the nearest big city

Pierre is 118.6 miles NW of Charles Mix County's internal point in a straight line. The nearest place of 100,000 or more is Sioux Falls, SD (population 209,289), 96.4 miles away. The nearest place of 10,000 or more is Mitchell, SD (population 15,621), 45.4 miles away.

Charles Mix County FIPS code

The FIPS code of Charles Mix County is 46023: state code 46 for South Dakota plus county code 023. Use it as text, with the leading zero, when joining Census, BLS, or CDC county tables. SAIPE lists its 2023 median household income as $59,721.