HomeSouth DakotaWalworth County
Walworth County, South Dakota: commercial real estate data.
Walworth County, South Dakota had an estimated 5,270 residents on July 1, 2024, down 0.9 percent since the 2020 census base of 5,318, across 709 square miles. County output reached $319.3 m in 2024, 210 establishments operate here, and the SBA record carries 3 7(a) approvals worth $1.7 m since FY2020.
Underlined figures are computed by MMCG Analytics, not published by the agency.
Walworth County
How many people live in Walworth County
- Population, American Community Survey 2020-20245,271
- Households2,415
- Average household size2.18
- Median household income$65,026
- Median age41.7
- Median gross rent$926 per month
- Median owner-occupied home value$136,600
- Home value to household income2.1 times
- Annual rent as a share of median income17.1 percent
- Adults 25 and over with a bachelor degree or higher29.6 percent
- Adults 25 and over with a graduate degree9.6 percent
- Adults 25 and over3,799
- Population under 181,250
- Share under 1823.7 percent
- Population 65 and over1,212
- Share 65 and over23.0 percent
- Working age population, 18 to 642,809
- Civilian labor force2,558
- Unemployment rate3.5 percent
- Labor force participation, adults 18 and over63.6 percent
- Rank by population among South Dakota counties34th of 66
- Rank by population among US county-equivalents, Puerto Rico included2871st of 3,222
Walworth County is the 34th largest of 66 South Dakota counties by population. A median home costs 2.1 times median household income, which is affordable by national standards. Residents under 18 outnumber those 65 and over, at 23.7 percent against 23.0 percent, a household formation profile rather than a retirement one.
US Census Bureau, American Community Survey 5-Year Estimates, 2020-2024 5-year.
Walworth County
Is Walworth County's population growing?
- Population, July 1, 20245,270
- Census 2020 base population5,318
- Population change since the 2020 census base-0.90 percent
- Population change, 2023 to 20246
- Births, 202482
- Deaths, 202456
- Natural change, 202426
- Net domestic migration, 2024-21
- Net international migration, 20241
- Total net migration, 2024-20
- Cumulative net domestic migration, 2021 to 2024-43
- Rank by growth among US county-equivalents2158th of 3,144
The county has lost 0.90 percent of its population since the 2020 census base. Births exceeded deaths in 2024 by more than net migration took away, so the population grew even though more people left than moved in.
US Census Bureau, Population Estimates Program, Vintage 2024, Vintage 2024, estimates 2020 to 2024.
Walworth County
Where are people moving to Walworth County from?
- Tax returns filed by households arriving109
- People arriving, from those returns195
- Tax returns filed by households leaving113
- Net household movement-4
- Adjusted gross income arriving$5.2 m
- Net adjusted gross income movement$-724,000
- Average income of an arriving household$48,128
- Average income of a leaving household$52,832
| Origin | Households | People | Adjusted gross income |
|---|
Households arriving report $4,704 less average income than households leaving, which drains spending power even where headcount holds up.
US Internal Revenue Service, Statistics of Income county migration flows, 2021 to 2022 filing years.
Walworth County
What is the Walworth County economy?
- County GDP, 2024$319.3 m
- County GDP, 2023$342.8 m
- GDP change, 2023 to 2024-6.9 percent
- GDP change over five years20.8 percent
- Rank by GDP among the South Dakota areas BEA publishes36th of 66
- Rank by GDP among the US county areas BEA publishes2670th of 3,127
- GDP per resident$60,576
Output grew -6.9 percent in the latest year and 20.8 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.
Walworth County
Employment by industry in Walworth County
- Covered employment, annual average2,033
- Establishments reporting252
- Average annual pay$46,774
- Average weekly wage$899
- Retail trade, employment348
- Retail trade, average annual pay$25,942
- Accommodation and food services, employment195
- Accommodation and food services, average annual pay$17,371
- Wholesale trade, employment127
- Wholesale trade, average annual pay$63,132
- Transportation and warehousing, employment95
- Transportation and warehousing, average annual pay$51,012
- Finance and insurance, employment91
- Administrative and support and waste management services, employment76
| Sector | Employment | Establishments | Average annual pay |
|---|---|---|---|
| Retail trade | 348 | 38 | $25,942 |
| Accommodation and food services | 195 | 30 | $17,371 |
| Wholesale trade | 127 | 13 | $63,132 |
| Transportation and warehousing | 95 | 6 | $51,012 |
| Finance and insurance | 91 | 16 | $74,008 |
| Administrative and support and waste management services | 76 | 12 | $57,217 |
| Professional, scientific and technical services | 66 | 21 | $66,349 |
| Utilities | 38 | 5 | $102,044 |
Retail trade is the largest private sector at 348 jobs, 17.1 percent of covered employment.
US Bureau of Labor Statistics, Quarterly Census of Employment and Wages, 2024 annual averages.
Walworth County
How many businesses are in Walworth County?
- Establishments, all industries210
- Employment at those establishments1,607
- Annual payroll$70.9 m
- Establishments per 1,000 residents39.8
These are counts of establishments physically operating in the county, not listings, so they are the supply side a feasibility study measures demand against. County Business Patterns counts private establishments with paid employees in March 2023, while the Quarterly Census of Employment and Wages above counts every unemployment-insured employer, public ones included, as a 2024 annual average, so the two establishment and employment counts differ.
US Census Bureau, County Business Patterns, 2023.
Walworth County
Building permits in Walworth County
- Housing units authorized by permit, 20242
- Declared construction value permitted$641,300
- Single family units authorized2
- Multifamily units authorized0
- Multifamily share of units0.0 percent
- Average declared value per unit$320,650
- Units authorized per 1,000 households0.8
Single-family homes are 100.0 percent of units authorized, so the pipeline is predominantly single-family.
US Census Bureau, Building Permits Survey, 2024 annual.
Walworth County
SBA loans in Walworth County (7(a) and 504)
- 7(a) approvals recorded3
- 7(a) gross approval dollars$1.7 m
- Average 7(a) approval$571,667
- Median 7(a) approval$247,500
- Largest single approval$1,452,500
- Jobs reported supported, 7(a)18
- Jobs per approval6.0
- Distinct 7(a) lenders active3
- Distinct industries receiving approvals3
- Median 7(a) term144 months
- Share of loans on real estate terms, 240 months or longer33.3 percent
- Loans on real estate terms1
- Loans on working capital terms, 120 months or shorter1
- Franchise loans0
- Franchise share of approvals0.0 percent
- 504 approvals recorded1
- 504 gross approval dollars$142,000
- Average 504 approval$142,000
- Median 504 approval$142,000
- Distinct CDCs active1
- 504 jobs per approval1.0
- 504 jobs per million dollars approved7.0
- Combined SBA approval dollars, 7(a) FY2020 to FY2026 and 504 FY2010 to FY2026$1.9 m
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.
Walworth County
SBA loan default and charge-off rates in Walworth County
Do SBA loans in Walworth County get paid back?
- Loans with a final outcome recorded1
- Paid in full1
- Charged off0
- Status: Exempt from disclosure2
- Status: Paid in full1
Only 1 loan has reached a final outcome, fewer than the 30 a charge-off rate needs, so no rate is published.
Compare against the national and state SBA charge-off rates, computed the same way over resolved loans only.
US Small Business Administration, 7(a) FOIA release, FY2020 to FY2026 year to date, as of 2026-06-30.
Walworth County
SBA lending by place in Walworth County
- Borrower cities with recorded lending2
- Mobridge, approvals2
- Selby, approvals1
| Borrower city | Approvals | Gross approval dollars |
|---|---|---|
| Mobridge | 2 | $1,700,000 |
| Selby | 1 | $15,000 |
US Small Business Administration, 7(a) FOIA release, FY2020 to FY2026 year to date, as of 2026-06-30.
Walworth County
How large is Walworth County?
- Land area709 sq mi
- Rank by land area among South Dakota counties45th of 66
- Width, east to west37.8 mi
- Height, north to south24.1 mi
- Geographies sharing a boundary6
- Residents per square mile of land7
- Establishments per square mile0.30
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.
Walworth County
Flood risk in Walworth County
- Participation of the county's own NFIP community Walworth County, unincorporated areasParticipating, community 460291
- Communities in the county in the NFIP Community Status Book2
- Of those, participating in the NFIP1
- NFIP participation rate50.0 percent
- Communities carrying a CRS class0
- Radon levels in Walworth County, EPA zone predicted average indoor radon screening level greater than 4 pCi/LZone 1
The county's own community in the status book, unincorporated Walworth County (community 460291), participates in the National Flood Insurance Program and carries no Community Rating System class, so no CRS premium discount applies there. The EPA places Walworth County in radon zone 1, a predicted average indoor radon screening level greater than 4 pCi/L. The zone is a screening prediction for the county and does not substitute for a test at an address. 50.0 percent of the county's listed communities participate in the National Flood Insurance Program, per Federal Emergency Management Agency, NFIP Community Status Book (OpenFEMA), as of 2026-09-26.
Federal Emergency Management Agency, NFIP Community Status Book (OpenFEMA), as of 2026-09-26. US EPA, Map of Radon Zones, county spreadsheet, 2024-05 publication, EPA 402/A-16/001.
Coverage
What this page does not hold.
Traffic counts, zoning and the flood zone at an address are not on this page; they resolve at the address in the platform. How this page was built →
Feasibility studies
When a Walworth 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 Walworth County site starts with the figures you are reading, carrying the same source and period into the credit file.
- Population, American Community Survey 2020-20245,271
- Households2,415
- Average household size2.18
- Median household income$65,026
- Median age41.7
Common questions
Walworth County questions, answered from the record.
How many people live in Walworth County, South Dakota?
The Census Bureau estimates 5,270 residents on July 1, 2024 (US Census Bureau, Population Estimates Program, Vintage 2024). The American Community Survey 2020-2024 five-year estimate is 5,271, in 2,415 households, ranking 34th of 66 South Dakota counties. Source: US Census Bureau, American Community Survey 5-Year Estimates, 2020-2024 5-year.
Is Walworth County's population growing?
The population has fallen 0.90 percent since the 2020 census base of 5,318, to 5,270 on July 1, 2024. In 2024 there were 82 births against 56 deaths, with net migration of -20. Source: US Census Bureau, Population Estimates Program, Vintage 2024, Vintage 2024, estimates 2020 to 2024.
What is the median household income in Walworth County?
$65,026. The median owner-occupied home is valued at $136,600, which is 2.1 times income, and median gross rent is $926 per month. Source: US Census Bureau, American Community Survey 5-Year Estimates, 2020-2024 5-year.
How many businesses are in Walworth County?
210 establishments, employing 1,607 people with an annual payroll of $70.9 m. These are establishments physically operating in the county, not listings. Source: US Census Bureau, County Business Patterns, 2023.
What is employment by industry in Walworth County?
Retail trade is the largest private sector at 348 jobs, 17.1 percent of covered employment. Covered employment averages 2,033 jobs at an average annual pay of $46,774, or $899 a week. Source: US Bureau of Labor Statistics, Quarterly Census of Employment and Wages, 2024 annual averages.
How much SBA lending happens in Walworth County?
3 7(a) approvals totaling $1.7 m since FY2020, across 3 lenders, with a median approval of $247,500, plus 1 504 approvals worth $142,000 since FY2010. These are approvals recorded in the release, not loans disbursed.
How many building permits were issued in Walworth County?
2 housing units were authorized by permit in 2024, with a declared construction value of $641,300. Multifamily was 0.0 percent of units. Source: US Census Bureau, Building Permits Survey, 2024 annual.
What is the radon zone for Walworth 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.
Are traffic counts available for Walworth 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 Walworth County?
No. Nothing on this page presents parcel level zoning, and where a statutory framework applies it is marked as the statewide frame, to be confirmed locally.
Walworth County
Cities and places in Walworth.
6 Census places lie wholly or partly in Walworth County. All 6 carry enough published place level data for a page of their own and are linked.
| Place | Type | Population | SBA 7(a) approvals, projects in this county | Lies in |
|---|---|---|---|---|
| Mobridge | city | 2,932 | 2 | Wholly in this county |
| Selby | city | 702 | 1 | Wholly in this county |
| Akaska | town | 104 | None recorded | Wholly in this county |
| Glenham | town | 95 | None recorded | Wholly in this county |
| Java | town | 78 | None recorded | Wholly in this county |
| Lowry | town | 1 | None recorded | Wholly in this county |