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Where am ILOCATED

Charles Mix County, South Dakota

Charles Mix County, South Dakota, has 9,303 residents (July 2025 estimate). Its county seat is Lake Andes. It uses Central Time and covers 1,097 sq mi (2,842 km²) of land.

Sioux FallsRapid CityAberdeen
Charles Mix County in South Dakota
Boyd CountyBon Homme CountyDouglas CountyGregory CountyWagnerPlatteLake AndesMartyPickstown
Charles Mix County and its neighbors (simplified outlines). Open in OpenStreetMap ↗
Resident population, July 2025
9,303
Land area
1,097 sq mi (2,842 km²)
County seat or government
Lake Andes
Time zone
Central TimeUTC-06:00 in January; UTC-05:00 in July
Median household income
$64,038 ± $5,646
Median home value
$170,600 ± $14,122
Median rent, with utilities
$704 ± $89
Homes lived in by their owners
72.3% ± 2.6 points
County type
County
Metro or micro area
Outside any metro or micro area
Water area
53.1 sq mi (138 km²)
State
South Dakota
County code (FIPS)
46023
Coordinates (central point)
43.206185, -98.595143
Open this point in the location finder

These coordinates mark a central point for the area, not a street address. Income, home value, rent and homes lived in by their owners: U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, ± margin at 90% confidence; checked on October 13, 2026.

Time zones in Charles Mix County

Time zoneLocal time and UTC offsetNext clock change
Central TimeAmerica/ChicagoUTC-06:00 in January; UTC-05:00 in July. Enable JavaScript for the live clock.Enable JavaScript for upcoming changes.

Near a time-zone line, check where you are with the time-zone finder. Your phone’s setting can differ.

ZIP Code areas, largest first

  1. 573803,316 people
  2. 573692,630 people
  3. 573561,959 people
  4. 573131,220 people
  5. 573151,094 people
  6. 57330594 people
  7. 57342393 people
  8. 57329317 people
  9. 57367291 people
  10. 57361278 people

10 ZIP Code areas overlap Charles Mix County. People counts are 2020–2024 estimates for each whole ZIP area. Mailing ZIPs can differ; check an address with USPS ZIP Code Lookup.

Official county information

We don’t have a website for this county yet. The US government’s local-office directory ↗ lists its offices. A geographic lookup cannot determine eligibility, tax liability or a court obligation.

Townships in Charles Mix County, largest first

  1. Platte Township596 people
  2. White Swan Township589 people
  3. Lawrence Township501 people
  4. Highland Township484 people
  5. Choteau Creek Township347 people
  6. Bryan Township341 people
  7. Lone Tree Township333 people
  8. Forbes Township254 people
  9. Wahehe Township221 people
  10. Howard Township208 people
  11. Rouse Township185 people
  12. Goose Lake Township167 people
All 23
  1. Plain Center Township158 people
  2. Rhoda Township121 people
  3. Signal Township94 people
  4. Moore Township91 people
  5. Darlington Township86 people
  6. Jackson Township74 people
  7. Lake George Township61 people
  8. Ree Township51 people
  9. Kennedy Township38 people
  10. Hamilton Township31 people
  11. La Roche Township23 people

People counts are American Community Survey 2020–2024 5-year estimates. All townships in South Dakota, by county

School districts in Charles Mix County, largest first

  1. Wagner School District 11-43,938 people
  2. Platte-Geddes School District 11-52,999 people
  3. Andes Central School District 11-12,141 people
  4. Tripp-Delmont School District 33-51,367 people
  5. Avon School District 04-11,320 people
  6. Armour School District 21-11,038 people

Districts with land in the county; a district can cross county lines. People counts are American Community Survey 2020–2024 5-year estimates. A district boundary doesn’t decide which school a student attends.

Tribal areas in Charles Mix County, largest first

  1. Yankton Reservation6,584 people

American Indian, Alaska Native and Native Hawaiian areas as the Census Bureau maps them, with at least 2% of their area here, water included. These lines don’t decide membership, jurisdiction or land status.

Cities, towns and communities, largest first

These areas overlap the mapped boundary; an overlap does not mean that every address belongs to both.

  1. Wagner, South Dakota (city)1,529 people
  2. Platte, South Dakota (city)1,161 people
  3. Lake Andes, South Dakota (city)901 people
  4. Marty, South Dakota (CDP)305 people
  5. Pickstown, South Dakota (town)275 people
  6. Geddes, South Dakota (city)158 people
  7. Dante, South Dakota (town)120 people
  8. Clearfield Colony, South Dakota (CDP)106 people
  9. Ravinia, South Dakota (town)45 people
  10. Lakeview Colony, South Dakota (CDP)0 people
  11. Platte Colony, South Dakota (CDP)0 people

Bordering areas, nearest first

Distances are straight lines between map points.

  1. Douglas County, South Dakota17 mi northeast
  2. Boyd County, Nebraska23 mi southwest
  3. Gregory County, South Dakota31 mi west
  4. Aurora County, South Dakota36 mi north
  5. Bon Homme County, South Dakota39 mi southeast
  6. Hutchinson County, South Dakota43 mi east
  7. Brule County, South Dakota44 mi northwest
  8. Knox County, Nebraska53 mi southeast
  9. Lyman County, South Dakota78 mi northwest

Before using this answer on a form

Use a precise point for address-level questions. A device accuracy circle can cross a boundary; confirm tax, voting or jury details with the responsible office.

Find the county where you are now, check its ZIP area, or check the time zone where you are.

See this county on Census.gov ↗

Areas that only touch the edge

These areas meet the boundary only along a sliver. Most addresses here are not in them; for an address near the line, check with the county.