United States › South Dakota › Clark County COUNTY
Clark County South Dakota · 4,031 residents (2025 est.) · 958 sq mi
Time machine
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The short version
Clark County is a county of 3,917 people in South Dakota. Few US counties rank higher on income. 20% of adults hold a bachelor's degree, below the 36% national rate. Density works out to 4 people per square mile. Home values have more than tripled since 2000, reaching $158,400. Owners hold 78% of the housing stock.
At a glance
Lower income
below the US median
US median: $82,259
Mid-age
median age 40.3
US median: 38.9
Less educated
20% hold a bachelor's degree
US average: 36%
Less affordable
home values up 106%, inflation adjusted
US median home: $376,019
Section 01
Population & growth from 4,143 in 2000
4,031 in 2025 (Census Bureau estimate)
from 4 / sq mi in 2009
US average: 281
from 41.6 in 2000
US average: 38.9
Population, 1990 – 2024
3K 4K 4K 4K 4K 1990 2000 2010 2020 2024 Clark County Age distribution, 2024
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 02
Income & economy $70,726
+29%inflation adjusted, since 2000
from $30,208 in 2000
US average: $82,259
from $15,597 in 2000
US average: $44,673
Households earning $100K+
from 18.4% in 2009
US average: 53.3%
from 14.8% in 2000
US average: 12.5%
from 0.486 in 2010
US average: 0.476
Workforce by industry, 2024
Agriculture, forestry, fishing 24.9%
Professional, scientific, technical 5.3%
Transportation & warehousing 5%
Public administration 1.7%
Education & health services 0.8%
Arts, entertainment, food 0.4%
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$158,400
+106%inflation adjusted, since 2000
from $42,300 in 2000
US average: $376,019
$782
+29%inflation adjusted, since 2000
from $334 in 2000
US average: $1,442
from 80.3% in 2000
22.5% rent
from 19.1% in 2009
US average: 10.0%
2.82 people
+24%since 2009
from 2.27 people in 2009
US average: 2.54
from 15.9% in 2009
US average: 22.9%
from 20.3% in 2009
US average: 47.4%
from 1.4 in 2009
Years of local income it takes to buy a local home, on a scale of about 0 to 15. Lower is more affordable.
Our index, 0 to 100. Higher means faster recent growth in incomes, home values, and college degrees.
Section 04
Race & ethnicity 2000
White, non-Hispanic 98.5%(4,081)
Hispanic / Latino 0.5%(20)
2024
White, non-Hispanic 90.7%(3,554)
Hispanic / Latino 5.3%(209)
from 5 in 2009
Our index, 0 to 100. Higher means a more even mix of racial and ethnic groups.
Section 04 · Origins
Detailed origins & ancestry Ancestry
+ 11 more ancestry groups with data from 11.4% in 2000
US average: 35.6%
High school or higher
from 76.6% in 2000
US average: 89.6%
from 2.1% in 2000
US average: 14.0%
Section 06
Commute & transportation from 13.8 min in 2000
US average: 26.5
from 68.1% in 2009
US average: 68.9%
from 9.8% in 2009
US average: 8.5%
from 0.1% in 2009
US average: 3.2%
from 9.9% in 2009
US average: 15.0%
from 11.2% in 2009
US average: 2.4%
from 0.6% in 2009
US average: 0.4%
from 3.6% in 2009
US average: 8.3%
Section 07
Work & employment from 3.6% in 2011
US average: 5.2%
from 62.7% in 2011
US average: 63.5%
Women 20-64 in the labor force
from 77.5% in 2020
US average: 74.6%
from 11.4% in 2009
US average: 13.1%
from 35.1% in 2009
US average: 42.5%
Section 08
People & community from 2.2% in 2009
US average: 14.1%
from 14.7% in 2009
US average: 6.2%
from 17.2% in 2012
US average: 13.3%
from 9.3% in 2013
US average: 8.4%
from 62.2% in 2017
US average: 91.0%
Computer in household
from 89.7% in 2020
US average: 95.5%
from 91.9% in 2020
US average: 87.7%
from 95.9% in 2016
US average: 77.7%
from 1.1% in 2016
US average: 13.6%
Marital status
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2024
Section 09
Health coverage from 9.3% in 2013
US average: 8.4%
from 41.8% in 2020
US average: 54.8%
Direct-purchase
from 34.0% in 2020
US average: 13.8%
from 20.7% in 2020
US average: 18.4%
from 13.1% in 2020
US average: 20.9%
VA health care
from 2.1% in 2020
US average: 2.2%
Any private
from 76.2% in 2020
US average: 67.1%
Any public
from 32.1% in 2020
US average: 36.7%
Shares are "alone or in combination": a person with both Medicare and Medicaid counts in each, so categories overlap and do not sum to 100%.
Section 09 · Service history
Veterans Veterans by period of service, 2024
Gulf War (2001 or later) 19.8%(42)
Gulf War (1990s) 17.5%(37)
Share of the 212 veterans here. A veteran who served across eras counts in each, so shares can total more than 100%. Peacetime-only service is included in the total but not shown as an era.
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Drill deeper
Places similar to Clark County Head to head
Compare Clark County to nearby counties CLARK COUNTY VS
Codington County
Income $72,727 +3%
Home value $237,700 +50%
Population 29,562 +633%
SEE FULL COMPARISON →
CLARK COUNTY VS
Hamlin County
Income $87,101 +23%
Home value $208,600 +32%
Population 6,900 +71%
SEE FULL COMPARISON →
CLARK COUNTY VS
Spink County
Income $70,139 −1%
Home value $123,300 −22%
Population 6,155 +53%
SEE FULL COMPARISON →
CLARK COUNTY VS
Day County
Income $66,033 −7%
Home value $173,600 +10%
Population 5,484 +36%
SEE FULL COMPARISON →
Frequently asked
How many people live in Clark County, South Dakota? Clark County, South Dakota has about 3,917 residents according to the 2024 American Community Survey.
What is the median household income in Clark County, South Dakota? The typical household in Clark County, South Dakota earns about $70,726 a year. Half of households make more than that, and half make less.
Is Clark County, South Dakota expensive? In Clark County, South Dakota, the median home is worth about $158,400, and the typical rent is about $782 a month.
How educated are people in Clark County, South Dakota? About 19.7% of adults age 25 and over in Clark County, South Dakota hold a bachelor's degree or higher.
What is the poverty rate in Clark County, South Dakota? About 10.9% of people in Clark County, South Dakota live below the federal poverty line.
Has Clark County, South Dakota grown since 1990? Yes, Clark County, South Dakota has shrunk since 1990. The population has lost about 486 residents, a change of about -11 percent over that period.
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