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Clark County, South Dakota

Clark County, South Dakota · ZIP 57217, 57221, 57225

  • Census data · ACS 2019-2023
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  • 3,974 (2024 estimate)Population
  • 1,322Households
  • $62,885Median household income
  • $141,900Median home value
  • 40Towns with a page
  • 12ZIP codes

Clark County in numbersOfficial sources, refreshed yearly

Population, 2000 to 2020−7.4%
3.6k3.8k4k4.2k2000: 4,14320002010: 3,69120102020: 3,83720204,1433,837
Population of Clark County at each census
CensusPopulation
20004,143
20103,691
20203,837

As counted at each census, within the boundaries the area had then; the current estimate is in the glance card.

Sources: Census 2000 Summary File 1: total population, county level, state 46, retrieved November 14, 2026; Census 2010 Summary File 1: total population, county level, state 46, retrieved November 14, 2026; Census 2020 Redistricting Data (P.L. 94-171): total population, county level, state 46, retrieved November 14, 2026.

Household income in Clark County
Under $50k38.5%
$50k to $100k30.1%
$100k to $150k18.2%
$150k to $200k6.7%
$200k and over6.4%

Median household income $62,885 · Share of households by income, American Community Survey 5-year 2019-2023, table S1901.

Source: American Community Survey 5-year subject table S1901 (household income) 2019–2023, county level, state 46, retrieved November 14, 2026.

Housing tenure in Clark County
Owner occupied
1,088 units
Renter occupied
234 units
Vacancy rate
17.8%

Occupied housing units by tenure and the share of all units vacant, American Community Survey 5-year 2019-2023, table DP04.

Source: American Community Survey 5-year data profile 2019–2023, county level, state 46, retrieved November 14, 2026.

Jobs by sector in Clark County2023
Manufacturing175
Retail trade128
Health care and social assistance93
Wholesale trade62
Construction55
Accommodation and food services53
Other services (except public administration)41
Transportation and warehousing37

738 employees in 125 establishments with payroll in 2023, all sectors; employers themselves are not named in the source. County Business Patterns counts are published with noise.

Source: County Business Patterns 2023: employment by sector, county level, state 46, retrieved November 14, 2026.

Clark County compared with its state
Clark County compared with its state, American Community Survey 2019-2023
MeasureClark CountySouth Dakota
Population3,876899,194
Median household income$62,885$72,421
Median age40.637.7
Median home value$141,900$236,800
Bachelor’s degree or higher16.2%31.1%
Foreign-born residents2.4%3.9%
Owner-occupied homes82.3%68.6%
Mean commute to work19.6 minutes17.6 minutes

Source: American Community Survey 5-year data profile 2019–2023, county level, state 46, retrieved November 14, 2026.

Townships, towns and villages in Clark County40 with a page · sort by any column

Type
ClarkCity1,1671.35 sq mi
Mount Pleasant TownshipTownship27035.9 sq mi
Willow LakeCity2680.37 sq mi
Pleasant TownshipTownship21035.2 sq mi
Collins TownshipTownship20035.5 sq mi
Lake TownshipTownship18834.5 sq mi
Fordham TownshipTownship14935.5 sq mi
Day TownshipTownship10934.5 sq mi
Lincoln TownshipTownship8835.0 sq mi
Washington TownshipTownship8835.5 sq mi
Cottonwood TownshipTownship8634.9 sq mi
Elrod TownshipTownship8636.1 sq mi
Mayfield ColonyCensus designated place840.26 sq mi
Rosedale TownshipTownship7735.8 sq mi
BradleyTown660.25 sq mi
Darlington TownshipTownship6135.8 sq mi
Woodland TownshipTownship6035.1 sq mi
Garfield TownshipTownship5735.9 sq mi
RaymondTown560.26 sq mi
Eden TownshipTownship5535.1 sq mi
Richland TownshipTownship5335.9 sq mi
Thorp TownshipTownship5335.2 sq mi
ViennaTown530.84 sq mi
Foxton TownshipTownship4935.9 sq mi
Maydell TownshipTownship4634.7 sq mi
Raymond TownshipTownship4635.6 sq mi
Hague TownshipTownship4335.8 sq mi
Warren TownshipTownship4235.0 sq mi
NaplesTown410.14 sq mi
Merton TownshipTownship3935.6 sq mi
Blaine TownshipTownship3833.6 sq mi
Garden CityTown360.39 sq mi
Logan TownshipTownship3635.6 sq mi
Spring Valley TownshipTownship3535.1 sq mi
CrockerCensus designated place243.63 sq mi
Ash TownshipTownship2335.6 sq mi
Collins ColonyCensus designated place00.33 sq mi
Fordham ColonyCensus designated place00.41 sq mi
Hillcrest ColonyCensus designated place01.00 sq mi
Silver Lake ColonyCensus designated place00.24 sq mi

Populations: Census Population Estimates, Vintage 2024: subcounty totals, state 46 (2024). Land areas: Census Gazetteer 2025: counties. A dash means the figure is not in the cited file.

County officialsFrom public records

No county official is published yet. Names appear once a researcher drafts them from the county’s own site and a second person approves; office contacts only, never personal details.

Across Clark County

Jobs across Clark County

No job is posted in Clark County’s towns yet. Employers post from their business dashboard; public job banks are added once their terms are recorded.

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Events in the next 31 days

No upcoming event is listed in Clark County's towns yet. Members and businesses add events from any town page.

Latest postsRolled up from the towns

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Neighboring counties

Neighboring counties

Sources: Census county adjacency file 2024, retrieved November 14, 2026; Census Population Estimates, Vintage 2024: subcounty totals, state 46, retrieved November 14, 2026.