HomeSouth DakotaUnion CountyJefferson
Jefferson, South Dakota: commercial real estate data.
Jefferson is a Census city of 554 people across 0.51 square miles of land, in Union County. Median household income is $82,888, 91.0 percent of occupied homes are owned, and the SBA record carries 4 7(a) approvals to borrowers here worth $1.4 m since FY2020.
Underlined figures are computed by MMCG Analytics, not published by the agency.
Jefferson
What Jefferson is
- Census place typecity
- Land area0.51 sq mi
- Water area0 sq mi
- Population per square mile of land1,085 plus or minus 319
- County holding the largest share of its areaUnion County, 100.0 percent
US Census Bureau, cartographic boundary file, places, 2024 vintage. US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
Jefferson
How many people live in Jefferson
- Population554 plus or minus 163
- Median age40.6 plus or minus 12.0
- Population under 18125 plus or minus 61
- Share under 1822.6 percent plus or minus 8.8
- Population 65 and over103 plus or minus 34
- Share 65 and over18.6 percent
- Households255 plus or minus 72
- Family households155 plus or minus 66
- Share of households that are families60.8 percent plus or minus 19.4
US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
Jefferson
Income and work in Jefferson
- Median household income$82,888 plus or minus $20,512
- Per capita income$34,531
- Civilian labor force303 plus or minus 100
- Employed273 plus or minus 88
- Unemployed30 plus or minus 44
- Unemployment rate9.9 percent plus or minus 14.1
- Adults 25 and over426 plus or minus 119
- Adults 25 and over with a high school diploma or higher93.4 percent plus or minus 36.7
- Adults 25 and over with a bachelor degree or higher23.2 percent plus or minus 9.2
- Adults 25 and over with a graduate degree2.6 percent plus or minus 3.1
US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
Jefferson
Housing in Jefferson
- Housing units266 plus or minus 76
- Occupied units255 plus or minus 72
- Vacant units11 plus or minus 14
- Vacancy rate4.1 percent plus or minus 5.1
- Owner occupied232 plus or minus 72
- Renter occupied23 plus or minus 16
- Ownership rate91.0 percent
- Median owner-occupied home value$179,400
- Single family units239 plus or minus 73
- Share single family89.8 percent
- Units in buildings of two or more24 plus or minus 22
- Share in buildings of two or more9.0 percent plus or minus 7.8
- Mobile homes3 plus or minus 9
- Median year structure built1974
US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
Jefferson
How Jefferson gets to work
- Workers 16 and over who commute251 plus or minus 84
- Commuting under 15 minutes93 plus or minus 39
- Share commuting under 15 minutes37.1 percent plus or minus 9.6
- Commuting 30 minutes or more43 plus or minus 26
- Share commuting 30 minutes or more17.1 percent plus or minus 8.5
- Drove alone76.2 percent
- Carpooled6.2 percent plus or minus 6.3
- Public transport0.0 percent
- Walked3.7 percent plus or minus 3.1
- Worked from home8.1 percent plus or minus 9.6
US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
Jefferson
SBA loans in Jefferson (7(a))
- Approvals4
- Gross approval$1,385,500
- Average approval$346,375
- Median approval$300,000
- Largest approval$760,500
- Jobs supported30
- Jobs per approval7.5
- Loans with a final outcome0
- Paid in full0
- Charged off0
- Median term120 months
- Share on real estate terms of 20 years or more0.0 percent
- Share to franchises50.0 percent
- Distinct lenders3
- Distinct industries by NAICS3
Counted by borrower city: approvals to borrowers whose address is in Jefferson, in any county, FY2020 to FY2026. Only 0 loans have reached a final outcome, fewer than the 30 a charge-off rate needs, so no rate is published.
US Small Business Administration, 7(a) FOIA release, FY2020 to FY2026 year to date, as of 2026-06-30.
Jefferson
SBA loans in Jefferson (504)
- Approvals2
- Gross approval$2,526,000
- Average approval$1,263,000
- Median approval$1,263,000
- Largest approval$2,386,000
- Jobs supported12
- Loans with a final outcome0
- Charged off0
- Median term240 months
- Distinct CDCs1
Counted by borrower city: approvals to borrowers whose address is in Jefferson, in any county, FY2010 to FY2026. Only 0 loans have reached a final outcome, fewer than the 30 a charge-off rate needs, so no rate is published.
US Small Business Administration, 504 FOIA release, FY2010 to FY2026 year to date, as of 2026-06-30.
Union County, not Jefferson
Union County context, not Jefferson figures
- Establishments in Union County555
- Covered employment, Union County9,633
- Average annual pay, Union County$73,276
- Housing units permitted, Union County48
Every figure in this section is published for Union County as a whole and is not a measurement of Jefferson.
US Census Bureau, County Business Patterns, 2023. US Bureau of Labor Statistics, Quarterly Census of Employment and Wages, 2024 annual averages. US Census Bureau, Building Permits Survey, 2024 annual.
Coverage
What this page does not hold.
Parcel detail, 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 →
Common questions
Jefferson questions, answered from the record.
How many people live in Jefferson, South Dakota?
554, in 255 households. Jefferson city covers 0.51 square miles of land, which is 1,085 people per square mile. Source: US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
What county is Jefferson in?
Union County, which holds 100.0 percent of the place by area. Source: US Census Bureau, cartographic boundary file, places, 2024 vintage.
What is the median household income in Jefferson?
$82,888. The median owner-occupied home is valued at $179,400. Source: US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
How much SBA lending goes to Jefferson businesses?
4 7(a) approvals totaling $1.4 m since FY2020, across 3 lenders, median approval $300,000, plus 2 504 approvals worth $2.5 m since FY2010. These count approvals to borrowers whose address is in Jefferson, not projects sited inside the place boundary, and they are approvals recorded in the release rather than loans disbursed.
Do SBA loans to Jefferson borrowers get paid back?
No rate is published for Jefferson. Only 0 loans have reached a final outcome, fewer than the 30 a charge-off rate needs, so no rate is published. The counts are shown instead.
Are the county figures on this page Jefferson figures?
No, and they are labeled so. County Business Patterns, QCEW, the Building Permits Survey, BEA product and IRS migration are published for Union County as a whole and there is no place level equivalent. They appear in one clearly marked section as context and are never presented as measurements of Jefferson.
Is zoning published for Jefferson?
No. Nothing on this page presents parcel level zoning.
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