HomeSouth DakotaDay County
Day County, South Dakota: commercial real estate data.
Day County, South Dakota has a population of 5,437 across 1,028 square miles, down 0.7 percent since the 2020 census base. County output reached $380.7 m in 2024, 226 establishments operate here, and the SBA record carries 3 7(a) approvals worth $774,500.
116 sourced county values · tier FULL · 11 sections
Day County
How many people live in Day County
- Population5,437
- Households2,371
- Average household size2.29
- Median household income$66,033
- Median age44.8
- Median gross rent$660 per month
- Median owner-occupied home value$173,600
- Home value to household income2.6 times
- Annual rent as a share of median income12.0 percent
- Adults 25 and over with a bachelor degree or higher22.0 percent
- Adults 25 and over with a graduate degree6.1 percent
- Adults 25 and over3,870
- Population under 181,217
- Share under 1822.4 percent
- Population 65 and over1,449
- Share 65 and over26.7 percent
- Working age population, 18 to 642,771
- Civilian labor force2,533
- Unemployment rate2.1 percent
- Labor force participation, adults 18 and over60.0 percent
- Rank by population among South Dakota counties32nd of 66
- Rank by population among US county-equivalents2858th
Day County is the 32nd largest of 66 South Dakota counties by population. A median home costs 2.6 times median household income, which is an affordable ownership market by national standards. Residents 65 and over outnumber those under 18, at 26.7 percent against 22.4 percent, which points demand at health care, services and single storey product rather than schools.
US Census Bureau, American Community Survey 5-Year Estimates, 2020-2024 5-year.
Day County
Is Day County growing
- Population change since the 2020 census base-0.66 percent
- Census 2020 base population5,444
- Births, 202455
- Deaths, 2024111
- Natural change, 2024-56
- Net domestic migration, 202411
- Net international migration, 20248
- Total net migration, 202419
- Cumulative net domestic migration, 2021 to 2024118
- Rank by growth among US county-equivalents2075th
The county has lost 0.66 percent of its population since the 2020 census base. Deaths exceeded births in 2024, so all of the growth came from people moving in. A market held up by migration alone is more sensitive to a change in relative cost than one growing from household formation.
US Census Bureau, Population Estimates Program, Vintage 2024, Vintage 2024, estimates 2020 to 2024.
Day County
Where people moving to Day County come from
- Tax returns filed by households arriving113
- People arriving, from those returns214
- Adjusted gross income arriving$7.7 m
- Net adjusted gross income movement$0
- Average income of an arriving household$67,832
- Largest single originDay County Non-migrants (2,136 households)
- Largest single destination (2,136 households)
| Origin | Households | People | Adjusted gross income |
|---|---|---|---|
| Day County Non-migrants | 2,136 | 4,356 | $174.9 m |
| Other flows - Same State | 70 | 127 | $3.1 m |
| Other flows - Different State | 43 | 87 | $4.6 m |
| Other flows - Midwest | 43 | 87 | $4.6 m |
The largest single source of arrivals is Day 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.
Day County
What the Day County economy runs on
- County GDP, 2024$380.7 m
- County GDP, 2023$414.6 m
- GDP change, 2023 to 2024-8.2 percent
- GDP change over five years23.6 percent
- Rank by GDP among South Dakota counties30th
- Rank by GDP among US county-equivalents2577th
- GDP per resident$70,029
Output grew -8.2 percent in the latest year and 23.6 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.
Day County
Who employs people in Day County
- Covered employment, annual average1,955
- Establishments reporting268
- Average annual pay$44,886
- Average weekly wage$863
- Sector 44-45, employment289
- Sector 44-45, average annual pay$29,278
- Sector 31-33, employment183
- Sector 31-33, average annual pay$63,080
- Sector 42, employment146
- Sector 42, average annual pay$67,483
- Sector 23, employment121
- Sector 23, average annual pay$50,866
- Sector 11, employment86
- Sector 54, employment63
| Sector | Employment | Establishments | Average annual pay |
|---|---|---|---|
| Sector 44-45 | 289 | 35 | $29,278 |
| Sector 31-33 | 183 | 11 | $63,080 |
| Sector 42 | 146 | 24 | $67,483 |
| Sector 23 | 121 | 26 | $50,866 |
| Sector 11 | 86 | 17 | $52,968 |
| Sector 54 | 63 | 19 | $64,864 |
| Sector 81 | 36 | 17 | $30,089 |
| Sector 51 | 13 | 5 | $84,106 |
The largest sector is the biggest private employer group at 289 jobs, 14.8 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.
Day County
What businesses operate in Day County
- Establishments, all industries226
- Employment at those establishments1,372
- Annual payroll$60.3 m
- Establishments per 1,000 residents41.6
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.
Day County
What is being built in Day County
- Housing units authorised by permit, 202434
- Declared construction value permitted$11.7 m
- Single family units authorised34
- Multifamily units authorised0
- Multifamily share of units0.0 percent
- Average declared value per unit$343,512
- Units authorised per 1,000 households14.3
Multifamily is 0.0 percent of units authorised, so the pipeline is predominantly for sale product.
US Census Bureau, Building Permits Survey, 2024 annual.
Day County
How much SBA lending happens in Day County
- 7(a) approvals recorded3
- 7(a) gross approval dollars$774,500
- Average 7(a) approval$258,167
- Median 7(a) approval$304,500
- 10th percentile approval$100,000
- 90th percentile approval$370,000
- Largest single approval$370,000
- Jobs reported supported, 7(a)21
- Jobs per approval7.0
- Distinct 7(a) lenders active2
- Distinct industries receiving approvals2
- Median 7(a) term180 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 loans2
- Franchise share of approvals66.7 percent
- Leading industry by approval countHardware Stores (2)
- Most active lenderDacotah Bank (2)
- 504 approvals recorded1
- 504 gross approval dollars$1.6 m
- Average 504 approval$1,619,000
- Median 504 approval$1,619,000
- Distinct CDCs active1
- 504 jobs per approval12.0
- 504 jobs per million dollars approved7.4
- Most active CDCAlly Dakota Development, Inc. (1)
- 7(a) share of SBA approvals75.0 percent
- Combined SBA approval dollars$2.4 m
The average approval of $258,167 sits close to the median of $304,500, so lending here is fairly evenly sized rather than driven by a few large deals. 33.3 percent of approvals run on real estate terms of 240 months or more, so this is a market where SBA credit is buying buildings, not just funding operations.
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.
Day County
Do SBA loans in Day County get paid back
- Loans with a final outcome recorded1
- Paid in full1
- Charged off0
- Status: Exempt from disclosure1
- Status: Paid in full1
- Status: Cancelled1
Too few loans have reached a final outcome to publish a charge off rate. only 1 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.
Day County
Which parts of Day County get the lending
- Places in the county with recorded lending2
- Webster, approvals2
- GRENVILLE, approvals1
| Place | Approvals | Gross approval dollars |
|---|---|---|
| Webster | 2 | $470,000 |
| GRENVILLE | 1 | $304,500 |
Webster accounts for 2 approvals against 1 in GRENVILLE. County level figures average over that gap, which is why a site decision is made at the submarket rather than the county.
US Small Business Administration, 7(a) FOIA release, FY2020 to FY2026 year to date, as of 2026-06-30.
Day County
How big is Day County
- Land area1,028 sq mi
- Rank by land area among South Dakota counties28th of 66
- Width, east to west36.8 mi
- Height, north to south30.2 mi
- Geographies sharing a boundary7
- Residents per square mile of land5
- Establishments per square mile0.22
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 Day 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 Day County site starts with the figures you are reading, carrying the same source and period into the credit file.
- Population5,437
- Households2,371
- Average household size2.29
- Median household income$66,033
- Median age44.8
Common questions
Day County questions, answered from the record.
How many people live in Day County, South Dakota?
5,437, in 2,371 households, ranking 32nd of 66 South Dakota counties. Source: US Census Bureau, American Community Survey 5-Year Estimates, 2020-2024 5-year.
Is Day County growing?
The population has fallen 0.66 percent since the 2020 census base. In 2024 there were 55 births against 111 deaths, with net migration of 19. Source: US Census Bureau, Population Estimates Program, Vintage 2024, Vintage 2024, estimates 2020 to 2024.
What is the median household income in Day County?
$66,033. The median owner-occupied home is valued at $173,600, which is 2.6 times income, and median gross rent is $660 per month. Source: US Census Bureau, American Community Survey 5-Year Estimates, 2020-2024 5-year.
How many businesses are there in Day County?
226 establishments, employing 1,372 people with an annual payroll of $60.3 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 Day County?
Average annual pay is $44,886, or $863 a week, across 1,955 covered jobs. Source: US Bureau of Labor Statistics, Quarterly Census of Employment and Wages, 2024 annual averages.
How much SBA lending happens in Day County?
3 7(a) approvals totalling $774,500 since FY2020, across 2 lenders, with a median approval of $304,500, plus 1 504 approvals worth $1.6 m. These are approvals recorded in the release, not loans disbursed.
What is being built in Day County?
34 housing units were authorised by permit in 2024, with a declared construction value of $11.7 m. Multifamily was 0.0 percent of units. Source: US Census Bureau, Building Permits Survey, 2024 annual.
What is the radon zone for Day 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 Day County come from?
The largest single origin is Day County Non-migrants, with 2,136 households. Arriving households report an average income of $67,832 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 Day 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 Day 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.