HomeSouth DakotaCorson County
Corson County, South Dakota: commercial real estate data.
Corson County, South Dakota has a population of 3,806 across 2,470 square miles, down 3.8 percent since the 2020 census base. County output reached $121.1 m in 2024, 39 establishments operate here, and the SBA record carries 1 7(a) approvals worth $150,000.
100 sourced county values · tier FULL · 10 sections
Corson County
How many people live in Corson County
- Population3,806
- Households1,128
- Average household size3.37
- Median household income$46,406
- Median age29.9
- Median gross rent$496 per month
- Median owner-occupied home value$69,800
- Home value to household income1.5 times
- Annual rent as a share of median income12.8 percent
- Adults 25 and over with a bachelor degree or higher19.0 percent
- Adults 25 and over with a graduate degree3.8 percent
- Adults 25 and over2,096
- Population under 181,345
- Share under 1835.3 percent
- Population 65 and over501
- Share 65 and over13.2 percent
- Working age population, 18 to 641,960
- Civilian labor force1,495
- Unemployment rate23.5 percent
- Labor force participation, adults 18 and over60.7 percent
- Rank by population among South Dakota counties42nd of 66
- Rank by population among US county-equivalents2977th
Corson County is the 42nd largest of 66 South Dakota counties by population. A median home costs 1.5 times median household income, which is an affordable ownership market by national standards. Residents under 18 outnumber those 65 and over, at 35.3 percent against 13.2 percent, a household formation profile rather than a retirement one.
US Census Bureau, American Community Survey 5-Year Estimates, 2020-2024 5-year.
Corson County
Is Corson County growing
- Population change since the 2020 census base-3.82 percent
- Census 2020 base population3,896
- Births, 202481
- Deaths, 202453
- Natural change, 202428
- Net domestic migration, 2024-36
- Net international migration, 20240
- Total net migration, 2024-36
- Cumulative net domestic migration, 2021 to 2024-180
- Rank by growth among US county-equivalents2877th
The county has lost 3.82 percent of its population since the 2020 census base. Births exceeded deaths in 2024 but more people left than arrived, so the population is being sustained internally rather than attracting.
US Census Bureau, Population Estimates Program, Vintage 2024, Vintage 2024, estimates 2020 to 2024.
Corson County
Where people moving to Corson County come from
- Tax returns filed by households arriving51
- People arriving, from those returns98
- Adjusted gross income arriving$1.4 m
- Net adjusted gross income movement$0
- Average income of an arriving household$27,176
- Largest single originCorson County Non-migrants (968 households)
- Largest single destination (968 households)
| Origin | Households | People | Adjusted gross income |
|---|---|---|---|
| Corson County Non-migrants | 968 | 2,324 | $44.7 m |
| Other flows - Same State | 30 | 61 | $599,000 |
| Other flows - Different State | 21 | 37 | $787,000 |
| Other flows - Midwest | 21 | 37 | $787,000 |
The largest single source of arrivals is Corson 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.
Corson County
What the Corson County economy runs on
- County GDP, 2024$121.1 m
- County GDP, 2023$126.0 m
- GDP change, 2023 to 2024-3.9 percent
- GDP change over five years36.4 percent
- Rank by GDP among South Dakota counties58th
- Rank by GDP among US county-equivalents3029th
- GDP per resident$31,823
Output grew -3.9 percent in the latest year and 36.4 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.
Corson County
Who employs people in Corson County
- Covered employment, annual average755
- Establishments reporting68
- Average annual pay$48,202
- Average weekly wage$927
- Sector 42, employment57
- Sector 42, average annual pay$75,587
| Sector | Employment | Establishments | Average annual pay |
|---|---|---|---|
| Sector 42 | 57 | 4 | $75,587 |
The largest sector is the biggest private employer group at 57 jobs, 7.5 percent of covered employment. Average pay per job exceeds median household income, which usually means single earner households and a wage base that can carry rent.
US Bureau of Labor Statistics, Quarterly Census of Employment and Wages, 2024 annual averages.
Corson County
What businesses operate in Corson County
- Establishments, all industries39
- Employment at those establishments289
- Annual payroll$10.2 m
- Establishments per 1,000 residents10.2
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.
Corson County
What is being built in Corson County
- Housing units authorised by permit, 20240
- Declared construction value permitted$0
- Single family units authorised0
- Multifamily units authorised0
No residential units were authorised by permit in 2024. In a small county this is common and is not by itself a sign of distress, but it does mean there is no recent residential pipeline to read demand from.
US Census Bureau, Building Permits Survey, 2024 annual.
Corson County
How much SBA lending happens in Corson County
- 7(a) approvals recorded1
- 7(a) gross approval dollars$150,000
- Average 7(a) approval$150,000
- Median 7(a) approval$150,000
- 10th percentile approval$150,000
- 90th percentile approval$150,000
- Largest single approval$150,000
- Jobs reported supported, 7(a)1
- Jobs per approval1.0
- Distinct 7(a) lenders active1
- Distinct industries receiving approvals1
- Median 7(a) term120 months
- Share of loans on real estate terms, 240 months or longer0.0 percent
- Loans on real estate terms0
- Loans on working capital terms, 120 months or shorter1
- Franchise loans0
- Franchise share of approvals0.0 percent
- Leading industry by approval countGeneral Freight Trucking, Local (1)
- Most active lenderFirst Merchants Bank (1)
- 504 approvals recorded2
- 504 gross approval dollars$1.2 m
- Average 504 approval$617,500
- Median 504 approval$695,000
- Distinct CDCs active2
- 504 jobs per approval3.5
- 504 jobs per million dollars approved5.7
- Most active CDCAlly Dakota Development, Inc. (1)
- 7(a) share of SBA approvals33.3 percent
- Combined SBA approval dollars$1.4 m
The average approval of $150,000 sits close to the median of $150,000, so lending here is fairly evenly sized rather than driven by a few large deals. Only 0.0 percent of approvals run on real estate terms, so SBA credit here is mostly working capital and equipment rather than property acquisition.
US Small Business Administration, 7(a) FOIA release, FY2020 to FY2026 year to date, as of 2026-06-30. US Small Business Administration, 504 FOIA release, FY2010 to FY2026 year to date, as of 2026-06-30.
Corson County
Do SBA loans in Corson County get paid back
- Loans with a final outcome recorded0
- Paid in full0
- Charged off0
- Status: Cancelled1
Too few loans have reached a final outcome to publish a charge off rate. only 0 resolved loans, too few to publish a rate. A rate computed on a handful of loans is noise, so none is shown.
US Small Business Administration, 7(a) FOIA release, FY2020 to FY2026 year to date, as of 2026-06-30.
Corson County
How big is Corson County
- Land area2,470 sq mi
- Rank by land area among South Dakota counties5th of 66
- Width, east to west81.4 mi
- Height, north to south32.6 mi
- Geographies sharing a boundary5
- Residents per square mile of land2
- Establishments per square mile0.02
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 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 Corson 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 Corson County site starts with the figures you are reading, carrying the same source and period into the credit file.
- Population3,806
- Households1,128
- Average household size3.37
- Median household income$46,406
- Median age29.9
Common questions
Corson County questions, answered from the record.
How many people live in Corson County, South Dakota?
3,806, in 1,128 households, ranking 42nd of 66 South Dakota counties. Source: US Census Bureau, American Community Survey 5-Year Estimates, 2020-2024 5-year.
Is Corson County growing?
The population has fallen 3.82 percent since the 2020 census base. In 2024 there were 81 births against 53 deaths, with net migration of -36. Source: US Census Bureau, Population Estimates Program, Vintage 2024, Vintage 2024, estimates 2020 to 2024.
What is the median household income in Corson County?
$46,406. The median owner-occupied home is valued at $69,800, which is 1.5 times income, and median gross rent is $496 per month. Source: US Census Bureau, American Community Survey 5-Year Estimates, 2020-2024 5-year.
How many businesses are there in Corson County?
39 establishments, employing 289 people with an annual payroll of $10.2 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 Corson County?
Average annual pay is $48,202, or $927 a week, across 755 covered jobs. Source: US Bureau of Labor Statistics, Quarterly Census of Employment and Wages, 2024 annual averages.
How much SBA lending happens in Corson County?
1 7(a) approvals totalling $150,000 since FY2020, across 1 lenders, with a median approval of $150,000, plus 2 504 approvals worth $1.2 m. These are approvals recorded in the release, not loans disbursed.
What is being built in Corson County?
No residential units were authorised by permit in 2024. Source: US Census Bureau, Building Permits Survey, 2024 annual.
What is the radon zone for Corson 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 Corson County come from?
The largest single origin is Corson County Non-migrants, with 968 households. Arriving households report an average income of $27,176 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 Corson 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 Corson 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.