Spink County, South Dakota: commercial real estate data.

Spink County

How many people live in Spink County

• Population, American Community Survey 2020-20246,219
• Households2,486
• Average household size2.50
• Median household income$70,139
• Median age45.5
• Median gross rent$734 per month
• Median owner-occupied home value$123,300
• Home value to household income1.8 times
• Annual rent as a share of median income12.6 percent
• Adults 25 and over with a bachelor degree or higher28.2 percent
• Adults 25 and over with a graduate degree5.7 percent
• Adults 25 and over4,511
• Population under 181,313
• Share under 1821.1 percent
• Population 65 and over1,522
• Share 65 and over24.5 percent
• Working age population, 18 to 643,384
• Civilian labor force3,071
• Unemployment rate1.3 percent
• Labor force participation, adults 18 and over62.6 percent
• Rank by population among South Dakota counties29th of 66
• Rank by population among US county-equivalents, Puerto Rico included2795th of 3,222

Spink County is the 29th largest of 66 South Dakota counties by population. A median home costs 1.8 times median household income, which is affordable by national standards. Residents 65 and over outnumber those under 18, at 24.5 percent against 21.1 percent, which points demand at health care, services and single story product rather than schools.

US Census Bureau, American Community Survey 5-Year Estimates, 2020-2024 5-year.

Spink County

Where are people moving to Spink County from?

• Tax returns filed by households arriving116
• People arriving, from those returns203
• Tax returns filed by households leaving144
• Net household movement-28
• Adjusted gross income arriving$6.5 m
• Net adjusted gross income movement$-37,000
• Average income of an arriving household$55,836
• Average income of a leaving household$45,236
• Largest single originBrown County (24 households)
• Largest single destinationBrown County (39 households)

Households arriving report $10,600 more average income than households leaving, so the migration is raising local spending power rather than just moving it around. The largest single source of arrivals is Brown County, 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.

Spink County

Employment by industry in Spink County

• Covered employment, annual average2,310
• Establishments reporting272
• Average annual pay$51,117
• Average weekly wage$983
• Wholesale trade, employment232
• Wholesale trade, average annual pay$98,212
• Agriculture, forestry, fishing and hunting, employment224
• Agriculture, forestry, fishing and hunting, average annual pay$56,885
• Retail trade, employment188
• Retail trade, average annual pay$28,011
• Construction, employment105
• Construction, average annual pay$56,184
• Finance and insurance, employment88
• Manufacturing, employment84

Wholesale trade is the largest private sector at 232 jobs, 10.0 percent of covered employment.

US Bureau of Labor Statistics, Quarterly Census of Employment and Wages, 2024 annual averages.

Spink County

Building permits in Spink County

• Housing units authorized by permit, 202420
• Declared construction value permitted$8.7 m
• Single family units authorized16
• Multifamily units authorized4
• Multifamily share of units20.0 percent
• Average declared value per unit$434,000
• Units authorized per 1,000 households8.0

Single-family homes are 80.0 percent of units authorized, so the pipeline is predominantly single-family.

US Census Bureau, Building Permits Survey, 2024 annual.

Spink County

SBA loan default and charge-off rates in Spink County

Do SBA loans in Spink County get paid back?

• Loans with a final outcome recorded2
• Paid in full2
• Charged off0
• Status: Paid in full2

Only 2 loans have 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.

Spink County

Flood risk in Spink County

• Participation of the county's own NFIP community Spink County, unincorporated areasParticipating, community 460076
• Communities in the county in the NFIP Community Status Book9
• Of those, participating in the NFIP5
• NFIP participation rate55.6 percent
• Communities carrying a CRS class0
• Radon levels in Spink 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 Spink County (community 460076), participates in the National Flood Insurance Program and carries no Community Rating System class, so no CRS premium discount applies there. The EPA places Spink 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. 55.6 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.

Feasibility studies

When a Spink 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 Spink County site starts with the figures you are reading, carrying the same source and period into the credit file.

• Population, American Community Survey 2020-20246,219
• Households2,486
• Average household size2.50
• Median household income$70,139
• Median age45.5

How a feasibility study works →

Spink County

Cities and places in Spink.

16 Census places lie wholly or partly in Spink County. 14 carry enough published place level data for a page of their own and are linked. The rest are named here and not linked, because the American Community Survey and the SBA record between them do not carry enough about them to write an honest page. A place existing is itself worth knowing, so nothing in the county is left out.