County profile

Clark County

South Dakota · ACS 2020–2024

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Latest estimates

At a glance

U.S. Census Bureau American Community Survey 5-year estimates.

Total population
3,917
Median household income
$70,726
People below poverty
10.9%
Median home value
$158,400

Income

The median income of households in Clark County, South Dakota was $70,726. An estimated 4.2% of households had income below $10,000 a year and 5.5% had income of $200,000 or more.

Household Income in Clark County, South Dakota in 2020-2024

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Percent
Less than $10,000 4.2
$10,000 to $14,999 3
$15,000 to $24,999 6.8
$25,000 to $34,999 9.1
$35,000 to $49,999 12.1
$50,000 to $74,999 19.2
$75,000 to $99,999 12.7
$100,000 to $149,999 23.1
$150,000 to $199,999 4.3
$200,000 or more 5.5

Median Earnings for Full-Time Year-Round Workers by Sex in Clark County, South Dakota in 2020-2024

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Dollars
Male 62391
Female 38672

An estimated 73.9% of households received earnings. An estimated 40.5% of households received Social Security and an estimated 23.4 % of households received retirement income other than Social Security. The average income from Social Security was $23,097. These income sources are not mutually exclusive; that is, some households received income from more than one source.

Proportion of Households with Various Income Sources in Clark County, South Dakota in 2020-2024

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Percent
Earnings 73.9
Social Security 40.5
Retirement income 23.4
Supplemental Security Income (SSI) 2.1
Cash public assistance income 0.9

Poverty and Participation in Government Programs

In 2020-2024, 10.9 % of people were in poverty. An estimated 5.6% of children under 18 were below the poverty level, compared with 10.1% of people 65 years old and over. An estimated 14.3% of people 18 to 64 years were below the poverty level.

Poverty Rates in Clark County, South Dakota in 2020-2024

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Percent
People in poverty 10.9
Children under 18 years below poverty 5.6
People 65 years old and over below poverty 10.1
People 18 to 64 years below poverty 14.3

In 2020-2024, 1.9 % of households received SNAP (the Supplemental Nutrition Assistance Program). An estimated 64% of households that received SNAP had children under 18, and 68% of households that received SNAP had one or more people 60 years and over. An estimated 8% of all households receiving SNAP were families with a female householder and no spouse present.


Among the civilian noninstitutionalized population in Clark County, South Dakota in 2020-2024, 93% had health insurance coverage and 7% did not have health insurance coverage. Private coverage was 70.1% and public coverage was 35%, respectively. The percentage of children under the age of 19 with no health insurance coverage was 1.8%.


In 2020-2024, Clark County, South Dakota had a total population of 3,917 - 1,952 (49.8%) females and 1,965 (50.2%) males. The median age was 40.3 years. An estimated 29.4% of the population was under 18 years, 25.1% was 19 to 44 years, 20.4% was 45 to 64 years, and 23.5 % was 65 years and older.

Population by Age and Sex for Clark County, South Dakota in 2020-2024

Male Female
Under 5 167 155
5 to 9 96 142
10 to 14 236 185
15 to 19 112 121
20 to 24 64 73
25 to 29 82 104
30 to 34 108 137
35 to 39 68 82
40 to 44 177 88
45 to 49 85 68
50 to 54 83 80
55 to 59 132 115
60 to 64 124 112
65 to 69 132 140
70 to 74 151 108
75 to 79 37 54
80 to 84 47 68
85 and over 64 120

Hispanic Origin and Race

For people reporting one race alone, 90.8% were White; 0.5% were Black or African American; 5.9% were American Indian and Alaska Native; 0.7% were Asian; 0% were Native Hawaiian and Other Pacific Islander, and 0% were Some Other Race. An estimated 7% reported Two or More Races. An estimated 5.3% of the people in Clark County, South Dakota were Hispanic or Latino. An estimated 90.7% of the people in Clark County, South Dakota were White alone, non-Hispanic. People of Hispanic origin may be of any race.


Households and Families

In 2020-2024, there were 1,336 households in Clark County, South Dakota. The average household size was 2.82 people.

Married-couple households made up 53% of the households in Clark County, South Dakota while cohabiting couple households made up 4.1% of households. Female householders with no spouse or partner present were 21.6% of all households, while 21.3% of households had male householders with no spouse or partner present. Some households had one person, as 16.4% of households were male householders living alone, and 14.2% were female householders living alone, for a total of 30.6% of all households.

In Clark County, South Dakota, 25.7% of all households had one or more people under the age of 18; 41.5% of all households had one or more people 65 years and over.

Types of Households in Clark County, South Dakota in 2020-2024

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Percent
Married-couple households 53
Cohabiting Couples 4.1
Male Householder
No spouse/partner present
21.3
Female Householder
No spouse/partner present
21.6

Marital Status

Among persons 15 and older, 58% of males and 51.8% of females were currently married.

Population 15 years and over Percent
Males
Percent
Females
Never married 26.6 22
Now married, except separated 58 51.8
Separated 0.2 1.2
Widowed 2.7 14.9
Divorced 12.5 10.1

Grandparents and Grandchildren

In Clark County, South Dakota, 53 grandparents lived with their grandchildren under 18 years old. Of those grandparents, 32.1% were responsible for the basic needs of their grandchildren.


Nativity and Foreign-Born

In 2020-2024, an estimated 97.3% of the people living in Clark County, South Dakota were U.S. natives. 76.8% of the Clark County, South Dakota population were living in the state where they were born.

Approximately 2.7% of Clark County, South Dakota residents in 2020-2024 were foreign-born. 16.3% of foreign-born were naturalized U.S. citizens and an estimated 32.7 % entered the country before the year 2010.

Foreign-born residents of Clark County, South Dakota come from different parts of the world. The bar graph below displays the percentage of foreign-born from each world region of birth in 2020-2024 for Clark County, South Dakota.

Region of Birth for the Foreign-Born Population in Clark County, South Dakota in 2020-2024

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Percent
Latin America 70.2
Asia 26
Europe 3.8
Africa 0
Northern America 0
Oceania 0

Language

Among people at least five years old living in Clark County, South Dakota in 2020-2024, 6.8 % spoke a language other than English at home. Spanish was spoken by 2.3% of people at least five years old; 2.1% reported that they did not speak English "very well."

Percentage of the Population 5 years and over who Speak a Language other than English in Clark County, South Dakota in 2020-2024

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Percent
Spanish 2.3
Other Indo-European languages 4.2
Asian and Pacific Islander languages 0.3
Other languages 0

Geographic Mobility

In 2020-2024, 91.7 % of the people at least one year old living in Clark County, South Dakota were living in the same house one year earlier.

Geographic Mobility of Residents of Clark County, South Dakota in 2020-2024

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Percent
Same house 91.7
Different house, same county 1.7
Different county, same state 3.1
Different state 1.5
Abroad 1.9

Education

In 2020-2024, 90.6 % of people 25 years and over had at least graduated from high school and 19.7% had a bachelor's degree or higher. An estimated 9.4% did not complete high school.

The total school enrollment in Clark County, South Dakota was 895 in 2020-2024. Nursery school enrollment was 25 and kindergarten through 12th grade enrollment was 816. College or graduate school enrollment was 54.

Educational Attainment of People in Clark County, South Dakota in 2020-2024

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Percent
Less than high school diploma 9.4
High school diploma or equivalency 39.4
Some college, no degree 21.4
Associate's degree 10.1
Bachelor's degree 17.5
Graduate or professional degree 2.3

Disability

In Clark County, South Dakota, among the civilian noninstitutionalized population in 2020-2024, 11.2 % reported a disability. The likelihood of having a disability varied by age - from 5% of people under 18 years old, to 6.9% of people 18 to 64 years old, and to 28.5% of those 65 and over.


Employment Status and Type of Employer

In Clark County, South Dakota, 57 % of the population 16 and over were employed; 40.6% were not currently in the labor force.

An estimated 69.9% of the people employed were private wage and salary workers; 12.7% were federal, state, or local government workers; and 17.1 % were self-employed in their own (not incorporated) business.

Class of worker Number Percent
Private wage and salary workers 1,137 69.9
Federal, state, or local government workers 206 12.7
Self-employed workers in own not incorporated business 278 17.1

Industries

In 2020-2024, the civilian employed population 16 years and older in Clark County, South Dakota worked in the following industries:

Percent by Industry in Clark County, South Dakota in 2020-2024

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Percent
Agriculture, forestry, fishing and hunting, and mining 24.9
Construction 7.9
Manufacturing 4.9
Wholesale trade 5
Retail trade 9.3
Transportation and warehousing, and utilities 6.1
Information 0.4
Finance and insurance, and real estate and rental and leasing 1.7
Professional, scientific, and management, and administrative and waste management services 6
Educational services, and health care and social assistance 14.8
Arts, entertainment, and recreation, and accommodation, and food services 9.4
Other Services, except public administration 5.2
Public administration 4.4

Occupations

Occupations for the Civilian Employed Population 16 Years and over in Clark County, South Dakota in 2020-2024

Civilian employed population 16 years and over Number Percent
Management, business, sciences, and arts occupations 598 36.8
Service occupations 270 16.6
Sales and office occupations 306 18.8
Natural resources, construction, and maintenance occupations 245 15.1
Production, transportation, and material moving occupations 208 12.8

Commuting to Work

An estimated 68.8% of Clark County, South Dakota workers drove to work alone in 2020-2024, and 11.3% carpooled. Among those who commuted to work, it took them on average 20.8 minutes to get to work.

Percent of Workers 16 and over Commuting by Mode in Clark County, South Dakota in 2020-2024

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Percent
Car, truck, van -- drove alone 68.8
Car, truck, van -- carpooled 11.3
Public transportation (excluding taxicab) 0
Walked 2.3
Other means 0.5
Worked from home 17.1

In 2020-2024, Clark County, South Dakota had a total of 1,609 housing units. Of these housing units, 84.1% were single-family houses either not attached to any other structure or attached to one or more structures (commonly referred to as "townhouses" or "row houses"). 7.8% of the housing units were located in multi-unit structures, or those buildings that contained two or more apartments. 8% were mobile homes, while any remaining housing units were classified as "other," which included boats, recreational vehicles, vans, etc.

Types of Housing Units in Clark County, South Dakota in 2020-2024

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Percent
Single-family houses 84.1
Apartments in multi-unit structures 7.8
Mobile homes 8
Boat, RV, van, etc 0.1

5.4% of the housing inventory was comprised of houses built since 2010, while 38% of the houses were first built in 1939 or earlier. The median number of rooms in all housing units in Clark County, South Dakota was 6.5 rooms, and of these housing units 72.2% had three or more bedrooms.


In 2020-2024, Clark County, South Dakota had 1,336 housing units that were occupied or had people living in them, while the remaining 273 were vacant. Of the occupied housing units, the percentage of these houses occupied by owners (also known as the homeownership rate) was 77.5% while renters occupied 22.5%. The average household size of owner-occupied houses was 2.94 and in renter-occupied houses it was 2.43.

4% of householders of these occupied houses had moved into their house since 2021, while 18.9% moved into their house in 1989 or earlier. Households without a vehicle available for personal use comprised 5.3% and another 40.6% had three or more vehicles available for use.

The following chart provides the primary fuel used to heat houses in Clark County, South Dakota:

House Heating Fuel Used in Clark County, South Dakota in 2020-2024

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Percent
Gas 61.9
Electricity 34.8
Fuel oil, kerosene, etc 0.7
All other fuels 2.4
No fuel used 0.1

In 2020-2024, the median property value for owner-occupied houses in Clark County, South Dakota was $158,400.

Of the owner-occupied households, 40.9 % had a mortgage. 59.1% owned their houses "free and clear," that is without a primary mortgage or loan on the house. The median monthly housing costs for owners with a mortgage was $1,273 and for owners without a mortgage it was $568.

For renter-occupied houses, the median gross rent for Clark County, South Dakota was $782. Gross rent includes the monthly contract rent and any monthly payments made for electricity, gas, water and sewer, and any other fuels to heat the house.