• county
  • FIPS 46025
  • Largest town: Clark

Clark County, South Dakota

Clark County had 3,974 residents in the Census Vintage 2024 estimate, on 957.5 square miles of land. It ranks 41st of 66 in South Dakota by population and 33rd by land area.

Population
3,974
#41 of 66 in South Dakota · #2,887 in US
Area
957.5 sq mi
#33 of 66 in South Dakota · #734 in US
Density
4.2 / sq mi
#39 of 66 in South Dakota · #2,813 in US
Median household income
$65,768
#39 of 66 in South Dakota · #1,321 in US

Census Vintage 2024 estimates · SAIPE 2023 income · 2024 Gazetteer land area

Clark County within South Dakota. Pin: Pierre.

Measure from here

Tools and pages that start from Clark County

Clark County population, land area and income

Clark County had 3,974 residents in the Census Vintage 2024 estimate, on 957.5 square miles of land. It ranks 41st of 66 in South Dakota by population and 33rd by land area. That works out to 4.2 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; Clark County is somewhat smaller.

Its SAIPE 2023 median household income of $65,768 is above the national county median among 3,143 counties with an estimate.

National rank among 3,144

Population

3,974

3144th1st

2887th of 3,144 (US)

Land area

958 sq mi

3144th1st

734th of 3,144 (US)

Density

4.2 / sq mi

3144th1st

2813th of 3,144 (US)

Median household income

$65,768

3143rd1st

1321st of 3,143 (US)

Rank within South Dakota (66)

Population

3,974

66th1st

41st of 66 (SD)

Land area

958 sq mi

66th1st

33rd of 66 (SD)

Density

4.2 / sq mi

66th1st

39th of 66 (SD)

Median household income

$65,768

66th1st

39th of 66 (SD)

How Clark County's population changed since 2020

Clark County gained 123 residents between the July 2020 and July 2024 estimates, a rise of 3.2%. That ranks 14th 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, Clark County recorded 272 births and 194 deaths, a natural change of +78. Net international migration added +40 and net domestic migration, people moving to or from other US counties, came to +17. The largest single component was natural change, which added 78 people.

3,85120203,87120213,94520223,94520233,9742024
Census Vintage 2024 county estimates for July 1 of each year. The axis starts above zero so year-to-year changes are visible.

Components of change, April 2020 to July 2024

Births
272
Deaths
194
Net international migration
+40
Net domestic migration
+17
Change, July 2023 to July 2024
+29

Where Clark County is

The Census internal point of Clark County is at 44.855200, -97.724900. 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 Clark County outlined. Dots are towns of 1,000+ people with residents in it.

Davison County: -0.2%Minnehaha County: +5.5%Bennett County: -3.0%Clark County: +3.2%Hamlin County: +7.1%Jerauld County: +2.8%Brule County: +0.2%Aurora County: +0.4%Turner County: +4.6%Beadle County: +1.5%Hand County: -1.6%Kingsbury County: +1.0%McCook County: +1.7%Miner County: -0.0%Lyman County: +0.5%Codington County: +3.3%Deuel County: +0.8%Sully County: +1.1%Oglala Lakota County: -2.1%Edmunds County: +0.8%Sanborn County: +2.7%Spink County: -3.7%Lake County: -0.1%Hyde County: -3.0%Potter County: -2.9%Perkins County: -0.6%Faulk County: +0.5%Day County: -0.5%Clay County: +1.6%Hanson County: +0.5%Fall River County: +5.5%Brookings County: +5.9%Yankton County: +1.0%Hutchinson County: -0.1%Butte County: +5.8%Custer County: +11.8%Lawrence County: +11.5%Hughes County: -1.2%Grant County: +1.0%Brown County: -1.9%Gregory County: +2.8%Campbell County: -2.8%Bon Homme County: +1.4%McPherson County: -4.0%Lincoln County: +14.6%Stanley County: +1.5%Walworth County: -0.5%Harding County: +1.3%Marshall County: +2.3%Union County: +3.2%Pennington County: +5.8%Buffalo County: -5.8%Moody County: +3.0%Tripp County: +2.0%Roberts County: +0.2%Charles Mix County: -0.3%Meade County: +3.4%Haakon County: -1.8%Jones County: -5.3%Douglas County: +0.5%Dewey County: +1.9%Corson County: -3.6%Mellette County: -4.6%Todd County: -1.6%Jackson County: -2.4%Ziebach County: +1.0%
Change 2020 to 2024
  1. < -1.8%
  2. < +0.2%
  3. < +1.3%
  4. < +3.2%
  5. ≥ +3.2%
no data

Orange pin: Clark County internal point. Dark pin: Pierre.

Internal point

Decimal
44.855200, -97.724900
DMS
44°51'18.72"N 97°43'29.64"W
UTM
14N 600750.2E 4967655.9N
Geohash
9zfx0jwuk
Plus code
86P4V74G+32

Towns in Clark County

One incorporated place of 1,000+ people has residents in Clark County, 1,167 people together, or 29% of the county. Each figure counts only the part of the town inside Clark County; towns marked "part" extend into another county. The largest is Clark with 1,167.

  1. 01Clark1,167
Census Vintage 2024 subcounty estimates, county parts of incorporated places (SUMLEV 157).

Counties bordering Clark County

The Census 2024 county adjacency file lists 6 neighbors for Clark County. The most populous is Codington County, SD, with 29,278 residents. Distances run between Census internal points in a straight line.

Distance to Pierre and the nearest big city

Pierre is 133.3 miles WSW of Clark County's internal point in a straight line. The nearest place of 100,000 or more is Sioux Falls, SD (population 209,289), 103.3 miles away. The nearest place of 10,000 or more is Watertown, SD (population 23,492), 28.1 miles away.

Clark County FIPS code

The FIPS code of Clark County is 46025: state code 46 for South Dakota plus county code 025. Use it as text, with the leading zero, when joining Census, BLS, or CDC county tables. SAIPE lists its 2023 median household income as $65,768.

Questions people ask

What is the population of Clark County, South Dakota?

The Census Vintage 2024 estimate for July 1, 2024 is 3,974. That is up 123 people (3.2%) from the July 2020 estimate of 3,851.

What is the FIPS code of Clark County?

46025. The first two digits (46) are South Dakota; the last three (025) identify the county.

What is the largest town in Clark County?

Clark, with 1,167 residents inside Clark County in 2024.

Which counties border Clark County?

6 county-equivalents border it in the Census 2024 adjacency file: Codington County, SD; Beadle County, SD; Hamlin County, SD; Spink County, SD; Day County, SD; Kingsbury County, SD.

Sources and data as of

Data as of: Census Vintage 2024 population estimates, 2024 Gazetteer land area and internal points, SAIPE 2023 median household income.

  1. 01Census Vintage 2024 county population estimates
  2. 02Census 2024 Gazetteer, counties
  3. 03Census SAIPE 2023 state and county estimates
  4. 04Census Vintage 2024 subcounty population estimates
  5. 05Census 2024 county adjacency file
  6. 06Census 2024 cartographic boundary file, counties (1:5,000,000)

How every number is computed: methodology. Spotted a wrong figure? Report an error.