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Where am ILOCATED

Clark County, South Dakota

Clark County, South Dakota, has 4,031 residents (July 2025 estimate). Its county seat is Clark. It uses Central Time and covers 958 sq mi (2,480 km²) of land.

Sioux FallsRapid CityAberdeen
Clark County in South Dakota
Codington CountyHamlin CountySpink CountyClarkWillow LakeNaplesRaymondBradley
Clark County and its neighbors (simplified outlines). Open in OpenStreetMap ↗
Resident population, July 2025
4,031
Land area
958 sq mi (2,480 km²)
County seat or government
Clark
Time zone
Central TimeUTC-06:00 in January; UTC-05:00 in July
Median household income
$70,726 ± $6,465
Median home value
$158,400 ± $18,625
Median rent, with utilities
$782 ± $143
Homes lived in by their owners
77.5% ± 4.5 points
County type
County
Metro or micro area
Outside any metro or micro areaNext to: Watertown, SD micro area and Huron, SD micro area
Water area
9.99 sq mi (25.9 km²)
State
South Dakota
County code (FIPS)
46025
Coordinates (central point)
44.855211, -97.724912
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 Clark 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. 572742,621 people
  2. 572251,833 people
  3. 572211,158 people
  4. 572781,011 people
  5. 57353812 people
  6. 57243549 people
  7. 57258510 people
  8. 57434506 people
  9. 57322378 people
  10. 57271246 people
  11. 57272201 people
  12. 57217142 people
All 13
  1. 5723691 people

13 ZIP Code areas overlap Clark 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 Clark County, largest first

  1. Collins Township203 people
  2. Day Township178 people
  3. Raymond Township173 people
  4. Pleasant Township161 people
  5. Fordham Township116 people
  6. Washington Township105 people
  7. Rosedale Township101 people
  8. Elrod Township84 people
  9. Blaine Township83 people
  10. Thorp Township80 people
  11. Spring Valley Township56 people
  12. Merton Township53 people
All 27
  1. Richland Township52 people
  2. Lake Township51 people
  3. Hague Township46 people
  4. Garfield Township37 people
  5. Darlington Township36 people
  6. Lincoln Township29 people
  7. Eden Township28 people
  8. Foxton Township21 people
  9. Woodland Township18 people
  10. Warren Township16 people
  11. Cottonwood Township10 people
  12. Logan Township5 people
  13. Ash Township0 people
  14. Maydell Township0 people
  15. Mount Pleasant Township0 people

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

School districts in Clark County, largest first

  1. Hamlin School District 28-33,702 people
  2. Groton Area School District 06-63,664 people
  3. Webster School District 18-53,458 people
  4. Clark School District 12-22,461 people
  5. De Smet School District 38-21,828 people
  6. Willow Lake School District 12-31,335 people
  7. Doland School District 56-2933 people
  8. Henry School District 14-2542 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.

Cities, towns and communities, largest first

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

  1. Clark, South Dakota (city)1,359 people
  2. Willow Lake, South Dakota (city)433 people
  3. Naples, South Dakota (town)96 people
  4. Raymond, South Dakota (town)82 people
  5. Bradley, South Dakota (town)78 people
  6. Garden City, South Dakota (town)78 people
  7. Mayfield Colony, South Dakota (CDP)77 people
  8. Vienna, South Dakota (town)49 people
  9. Crocker, South Dakota (CDP)22 people
  10. Collins Colony, South Dakota (CDP)0 people
  11. Fordham Colony, South Dakota (CDP)0 people
  12. Hillcrest Colony, South Dakota (CDP)0 people
All 13
  1. Silver Lake Colony, South Dakota (CDP)0 people

Bordering areas, nearest first

Distances are straight lines between map points.

  1. Codington County, South Dakota27 mi east
  2. Hamlin County, South Dakota29 mi southeast
  3. Spink County, South Dakota30 mi west
  4. Day County, South Dakota35 mi north
  5. Kingsbury County, South Dakota36 mi south
  6. Beadle County, South Dakota41 mi southwest

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.