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County · code 46023

Charles Mix CountySouth Dakota

Charles Mix County is a county in South Dakota with its seat at Lake Andes. The county was founded in 1862 and named after Charles Eli Mix.

  • Founded1862
  • County seatLake Andes
  • Named forCharles Eli Mix
  • Land area1,097 sq mi + 53 sq mi water
  • Population9,373 2020 Census
  • Parcels mapped15,241 checked 15 October 2026
Open the free map Click any parcel in Charles Mix County: acreage, parcel id, address and who publishes the map. No sign-in.

Updated

DouglasBoyd, NEAuroraGregoryBruleBon HommeHutchinsonKnox, NELyman Lake Andes Census outline · seat marked

Where it is

Charles Mix on the map of South Dakota

South Dakota has 66 counties and county equivalents, each with its own records office. Shapes with a page are links.

Aurora CountyBeadle CountyBennett CountyBon Homme CountyBrookings CountyBrown CountyBrule CountyBuffalo CountyButte CountyCampbell CountyClark CountyClay CountyCodington CountyCorson CountyCuster CountyDavison CountyDay CountyDeuel CountyDewey CountyDouglas CountyEdmunds CountyFall River CountyFaulk CountyGrant CountyGregory CountyHaakon CountyHamlin CountyHand CountyHanson CountyHarding CountyHughes CountyHutchinson CountyHyde CountyJackson CountyJerauld CountyJones CountyKingsbury CountyLake CountyLawrence CountyLincoln CountyLyman CountyMcCook CountyMcPherson CountyMarshall CountyMeade CountyMellette CountyMiner CountyMinnehaha CountyMoody CountyOglala Lakota CountyPennington CountyPerkins CountyPotter CountyRoberts CountySanborn CountySpink CountyStanley CountySully CountyTodd CountyTripp CountyTurner CountyUnion CountyWalworth CountyYankton CountyZiebach CountyCharles Mix County Charles Mix
Counties of South Dakota · Charles Mix highlighted

History

Founded in 1862

An old deed may name a county that no longer exists, or a boundary that has since moved.

Charles Mix County lost territory to the creation of Brule County in 1875. The county became part of the state of South Dakota on November 2, 1889. Gregory and Todd counties were attached to Charles Mix County for tax collection and judicial purposes in the 1890s, with Gregory organizing separately and detaching from Charles Mix in 1898.

Boundary changes from the Newberry Library, Atlas of Historical County Boundaries.

  1. 1875
    Lost territory Charles Mix lost to creation of Brule.
    to Brule
    · Dak. Terr. Laws 1874, 11th sess., ch. 31/p. 73
  2. 1889
    Became part of South Dakota Charles Mix became a county in the state of South Dakota. · U.S. Stat., vol. 25, ch. 180[1889]/pp. 676-684; U.S. Stat., vol. 26, no. 5/pp. 1548-1549; Swindler, 9:107-109; Van Zandt, 134
  3. 1890
    Changed Gregory and Todd (original, extinct) attached to Charles Mix “for the levy and collection of taxes therein.”
    GregoryTodd
    · S. Dak. Laws 1890, 1st sess., ch. 65/p. 159
  4. 1893
    Changed Attachment of Gregory and Todd (original, extinct) to Charles Mix “for judicial purposes” was confirmed.
    GregoryTodd
    · S. Dak. Laws 1893, 3d sess., ch. 48/p. 78
  5. 1895
    Changed Attachment of Gregory and Todd (original, extinct) to Charles Mix “for judicial purposes” was confirmed.
    GregoryTodd
    · S. Dak. Laws 1895, 4th sess., ch. 48/pp. 53-54
  6. 1897
    Eliminated Todd (original) eliminated, ending its attachment to Charles Mix.
    into Todd
    · S. Dak. Laws 1897, 5th sess., ch. 46/p. 97
  7. 1898
    Changed Gregory fully organized, detached from Charles Mix.
    Gregory
    · Early History of South Dakota Counties, 45

Land and parcels

What the maps cover in Charles Mix

Who publishes each layer, how good it is, and when we last checked.

Official
from the office that keeps the record
Good enough
a reliable statewide or national copy
Fallback
a guide only; check the official record
Missing
nothing public found yet

People and land

Charles Mix by the Census

Population
9,373 2020 Census count
Housing units
3,625 2020 Census count
Land area
1,097 square miles
Water area
53 square miles
People per sq mi
9 population ÷ land area

Source: US Census Bureau, 2020 Census; US Census Bureau, 2020 Gazetteer Files. Not endorsed or certified by the Census Bureau.

Rules and offices

Who to ask before you build, dig or sell

Official county pages only. We link to them; we do not copy them, because they change.

Inside a city or town, permits usually come from that city rather than the county.

Zoning and code

County government

  • County government

    The official website of Charles Mix County.

    charlesmix.sdcounties.org

See your own lot on these maps

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Questions

Common questions about Charles Mix County

When was Charles Mix County founded?
Charles Mix County was founded in 1862, and named after Charles Eli Mix.
What is the county seat of Charles Mix County?
The county seat of Charles Mix County is Lake Andes.
Is there an online parcel map for Charles Mix County?
Yes. Charles Mix County publishes a parcel map of 15,241 parcels, rated good enough here. You can click any parcel on it in Parcel Chart's free map, no sign-in needed.
Has Charles Mix County's boundary or name changed?
Atlas of Historical County Boundaries records 7 changes for Charles Mix County. Since then the Atlas of Historical County Boundaries records 7 later changes, chiefly involving Gregory County, Todd County and Brule County.
Is my lot in a flood zone?
We do not have flood maps for Charles Mix County yet. Look up the address on FEMA's Flood Map Service Center, which shows the effective flood map for any lot.

Nearby

Counties next door