Hamlin County, South Dakota: commercial real estate data.

Hamlin County

How many people live in Hamlin County

• Population, American Community Survey 2020-20246,373
• Households2,194
• Average household size2.90
• Median household income$87,101
• Median age31.8
• Median gross rent$800 per month
• Median owner-occupied home value$208,600
• Home value to household income2.4 times
• Annual rent as a share of median income11.0 percent
• Adults 25 and over with a bachelor degree or higher24.5 percent
• Adults 25 and over with a graduate degree6.1 percent
• Adults 25 and over3,686
• Population under 182,111
• Share under 1833.1 percent
• Population 65 and over911
• Share 65 and over14.3 percent
• Working age population, 18 to 643,351
• Civilian labor force3,182
• Unemployment rate0.5 percent
• Labor force participation, adults 18 and over74.7 percent
• Rank by population among South Dakota counties28th of 66
• Rank by population among US county-equivalents, Puerto Rico included2784th of 3,222

Hamlin County is the 28th largest of 66 South Dakota counties by population. A median home costs 2.4 times median household income, which is affordable by national standards. Residents under 18 outnumber those 65 and over, at 33.1 percent against 14.3 percent, a household formation profile rather than a retirement one.

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

Hamlin County

Where are people moving to Hamlin County from?

• Tax returns filed by households arriving166
• People arriving, from those returns327
• Tax returns filed by households leaving147
• Net household movement19
• Adjusted gross income arriving$11.9 m
• Net adjusted gross income movement$4.2 m
• Average income of an arriving household$71,934
• Average income of a leaving household$52,456
• Largest single originCodington County (33 households)
• Largest single destinationCodington County (35 households)

Households arriving report $19,478 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 Codington 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.

Hamlin County

Employment by industry in Hamlin County

• Covered employment, annual average2,629
• Establishments reporting279
• Average annual pay$55,544
• Average weekly wage$1,068
• Construction, employment491
• Construction, average annual pay$64,459
• Retail trade, employment196
• Retail trade, average annual pay$49,537
• Wholesale trade, employment193
• Wholesale trade, average annual pay$70,919
• Health care and social assistance, employment115
• Health care and social assistance, average annual pay$31,257

Construction is the largest private sector at 491 jobs, 18.7 percent of covered employment.

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

Hamlin County

Building permits in Hamlin County

• Housing units authorized by permit, 202462
• Declared construction value permitted$18.9 m
• Single family units authorized52
• Multifamily units authorized10
• Multifamily share of units16.1 percent
• Average declared value per unit$305,467
• Units authorized per 1,000 households28.3

Single-family homes are 83.9 percent of units authorized, so the pipeline is predominantly single-family.

US Census Bureau, Building Permits Survey, 2024 annual.

Hamlin County

SBA loan default and charge-off rates in Hamlin County

Do SBA loans in Hamlin County get paid back?

• Loans with a final outcome recorded0
• Paid in full0
• Charged off0
• Status: Exempt from disclosure3
• Status: Committed, not yet disbursed1

Only 0 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.

Hamlin County

Flood risk in Hamlin County

• Participation of the county's own NFIP community Hamlin County, unincorporated areasParticipating, community 460034
• Communities in the county in the NFIP Community Status Book4
• Of those, participating in the NFIP4
• NFIP participation rate100.0 percent
• Communities carrying a CRS class0
• Radon levels in Hamlin 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 Hamlin County (community 460034), participates in the National Flood Insurance Program and carries no Community Rating System class, so no CRS premium discount applies there. The EPA places Hamlin 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. 100.0 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.

Feasibility studies

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

• Population, American Community Survey 2020-20246,373
• Households2,194
• Average household size2.90
• Median household income$87,101
• Median age31.8

How a feasibility study works →

Hamlin County

Cities and places in Hamlin.

9 Census places lie wholly or partly in Hamlin County. 7 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.