HomeSouth DakotaClark County
Clark County, South Dakota: commercial real estate data.
Clark County, South Dakota has a population of 3,917 across 958 square miles, up 3.5 percent since the 2020 census base. County output reached $337.4 m in 2024, 125 establishments operate here.
86 sourced county values · tier FULL · 9 sections
Clark County
How many people live in Clark County
- Population3,917
- Households1,336
- Average household size2.93
- Median household income$70,726
- Median age40.3
- Median gross rent$782 per month
- Median owner-occupied home value$158,400
- Home value to household income2.2 times
- Annual rent as a share of median income13.3 percent
- Adults 25 and over with a bachelor degree or higher19.7 percent
- Adults 25 and over with a graduate degree2.3 percent
- Adults 25 and over2,566
- Population under 181,151
- Share under 1829.4 percent
- Population 65 and over921
- Share 65 and over23.5 percent
- Working age population, 18 to 641,845
- Civilian labor force1,694
- Unemployment rate4.0 percent
- Labor force participation, adults 18 and over61.2 percent
- Rank by population among South Dakota counties41st of 66
- Rank by population among US county-equivalents2970th
Clark County is the 41st largest of 66 South Dakota counties by population. A median home costs 2.2 times median household income, which is an affordable ownership market by national standards. Residents under 18 outnumber those 65 and over, at 29.4 percent against 23.5 percent, a household formation profile rather than a retirement one.
US Census Bureau, American Community Survey 5-Year Estimates, 2020-2024 5-year.
Clark County
Is Clark County growing
- Population change since the 2020 census base3.52 percent
- Census 2020 base population3,839
- Births, 202468
- Deaths, 202455
- Natural change, 202413
- Net domestic migration, 202411
- Net international migration, 20246
- Total net migration, 202417
- Cumulative net domestic migration, 2021 to 20249
- Rank by growth among US county-equivalents773rd
The county has grown 3.52 percent since the 2020 census base. Migration contributed more to 2024 change than births over deaths, so demand here follows people arriving rather than families forming.
US Census Bureau, Population Estimates Program, Vintage 2024, Vintage 2024, estimates 2020 to 2024.
Clark County
Where people moving to Clark County come from
- Tax returns filed by households arriving82
- People arriving, from those returns144
- Adjusted gross income arriving$4.2 m
- Net adjusted gross income movement$0
- Average income of an arriving household$51,195
- Largest single originClark County Non-migrants (1,286 households)
- Largest single destination (1,286 households)
| Origin | Households | People | Adjusted gross income |
|---|---|---|---|
| Clark County Non-migrants | 1,286 | 2,809 | $102.9 m |
| Other flows - Same State | 61 | 99 | $3.1 m |
| Other flows - Different State | 21 | 45 | $1.1 m |
| Other flows - Midwest | 21 | 45 | $1.1 m |
The largest single source of arrivals is Clark County Non-migrants, which is the catchment a retail or multifamily study should look at first.
US Internal Revenue Service, Statistics of Income county migration flows, 2021 to 2022 filing years.
Clark County
What the Clark County economy runs on
- County GDP, 2024$337.4 m
- County GDP, 2023$363.5 m
- GDP change, 2023 to 2024-7.2 percent
- GDP change over five years25.7 percent
- Rank by GDP among South Dakota counties34th
- Rank by GDP among US county-equivalents2642nd
- GDP per resident$86,139
Output grew -7.2 percent in the latest year and 25.7 percent over five, which is the trend line a lender will read behind any single year figure.
US Bureau of Economic Analysis, Regional, table CAGDP2, CAGDP2, through 2024.
Clark County
Who employs people in Clark County
- Covered employment, annual average1,194
- Establishments reporting188
- Average annual pay$46,772
- Average weekly wage$899
- Sector 11, employment174
- Sector 11, average annual pay$49,340
- Sector 31-33, employment150
- Sector 31-33, average annual pay$52,397
- Sector 44-45, employment123
- Sector 44-45, average annual pay$34,203
- Sector 23, employment119
- Sector 23, average annual pay$55,111
- Sector 62, employment101
- Sector 42, employment73
| Sector | Employment | Establishments | Average annual pay |
|---|---|---|---|
| Sector 11 | 174 | 24 | $49,340 |
| Sector 31-33 | 150 | 11 | $52,397 |
| Sector 44-45 | 123 | 12 | $34,203 |
| Sector 23 | 119 | 26 | $55,111 |
| Sector 62 | 101 | 10 | $41,199 |
| Sector 42 | 73 | 14 | $73,786 |
| Sector 72 | 47 | 8 | $13,826 |
| Sector 71 | 20 | 7 | $48,640 |
The largest sector is the biggest private employer group at 174 jobs, 14.6 percent of covered employment. Average pay per job sits below median household income, so households here typically need more than one earner.
US Bureau of Labor Statistics, Quarterly Census of Employment and Wages, 2024 annual averages.
Clark County
What businesses operate in Clark County
- Establishments, all industries125
- Employment at those establishments738
- Annual payroll$31.3 m
- Establishments per 1,000 residents31.9
These are counts of establishments physically operating in the county, not listings, so they are the supply side a feasibility study measures demand against.
US Census Bureau, County Business Patterns, 2023.
Clark County
What is being built in Clark County
- Housing units authorised by permit, 202413
- Declared construction value permitted$3.8 m
- Single family units authorised11
- Multifamily units authorised2
- Multifamily share of units15.4 percent
- Average declared value per unit$294,817
- Units authorised per 1,000 households9.7
Multifamily is 15.4 percent of units authorised, so the pipeline is predominantly for sale product.
US Census Bureau, Building Permits Survey, 2024 annual.
Clark County
How much SBA lending happens in Clark County
- 504 approvals recorded3
- 504 gross approval dollars$2.6 m
- Average 504 approval$875,000
- Median 504 approval$1,076,000
- Distinct CDCs active2
- 504 jobs per approval6.7
- 504 jobs per million dollars approved7.6
- Most active CDCDakota Business Finance (2)
US Small Business Administration, 504 FOIA release, FY2010 to FY2026 year to date, as of 2026-06-30.
Clark County
How big is Clark County
- Land area958 sq mi
- Rank by land area among South Dakota counties33rd of 66
- Width, east to west24.1 mi
- Height, north to south42.1 mi
- Geographies sharing a boundary6
- Residents per square mile of land4
- Establishments per square mile0.13
US Census Bureau county boundary geometry, TIGER, adjacency computed from shared boundary vertices, TIGER county boundaries. US Census Bureau, American Community Survey 5-Year Estimates, 2020-2024 5-year. US Census Bureau, County Business Patterns, 2023.
Coverage
What this page does not hold.
Every item below could be filled with a plausible figure. None of them is. On a page a lender may read, a number that cannot be traced is worse than an absence, so the absences are named.
- No 7(a) approvals recorded in this county in the FOIA release covering FY2020 onward.
- No NFIP communities are listed for this county in the FEMA Community Status Book.
- Flood zone record counts are not held. The flood coverage export has not landed, so no count is shown rather than an estimated one.
- Traffic counts resolve in the platform, not in this dataset, so no AADT figure is printed here.
- Zoning is in build. Parcel level zoning is not published on this page.
Feasibility studies
When a Clark County site needs a document a lender will accept.
The same data layer behind this page is the one the studies are written from. A study for a Clark County site starts with the figures you are reading, carrying the same source and period into the credit file.
- Population3,917
- Households1,336
- Average household size2.93
- Median household income$70,726
- Median age40.3
Common questions
Clark County questions, answered from the record.
How many people live in Clark County, South Dakota?
3,917, in 1,336 households, ranking 41st of 66 South Dakota counties. Source: US Census Bureau, American Community Survey 5-Year Estimates, 2020-2024 5-year.
Is Clark County growing?
The population has grown 3.52 percent since the 2020 census base. In 2024 there were 68 births against 55 deaths, with net migration of 17. Source: US Census Bureau, Population Estimates Program, Vintage 2024, Vintage 2024, estimates 2020 to 2024.
What is the median household income in Clark County?
$70,726. The median owner-occupied home is valued at $158,400, which is 2.2 times income, and median gross rent is $782 per month. Source: US Census Bureau, American Community Survey 5-Year Estimates, 2020-2024 5-year.
How many businesses are there in Clark County?
125 establishments, employing 738 people with an annual payroll of $31.3 m. These are establishments physically operating in the county, not listings. Source: US Census Bureau, County Business Patterns, 2023.
What is the average wage in Clark County?
Average annual pay is $46,772, or $899 a week, across 1,194 covered jobs. Source: US Bureau of Labor Statistics, Quarterly Census of Employment and Wages, 2024 annual averages.
What is being built in Clark County?
13 housing units were authorised by permit in 2024, with a declared construction value of $3.8 m. Multifamily was 15.4 percent of units. Source: US Census Bureau, Building Permits Survey, 2024 annual.
What is the radon zone for Clark County?
Zone 1, a predicted average indoor radon screening level greater than 4 pCi/L. Source: US EPA, Map of Radon Zones, county spreadsheet, 2024-05 publication, EPA 402/A-16/001.
Where do people moving to Clark County come from?
The largest single origin is Clark County Non-migrants, with 1,286 households. Arriving households report an average income of $51,195 against null for those leaving. Source: US Internal Revenue Service, Statistics of Income county migration flows, 2021 to 2022 filing years.
Are traffic counts available for Clark County on this page?
No. Annual average daily traffic resolves in the platform rather than in this dataset, so no AADT figure is printed here. It is a gap we know about rather than a figure we estimated.
Is zoning published for Clark County?
Not yet. The zoning layer is in build. Nothing on this page presents parcel level zoning, and where a statutory framework applies it is marked as the statewide frame with confirm locally attached.