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Sinai, South Dakota

town · Brookings County

At a glance

215
Population
$89,300
Median home value (all homes)
71% below U.S. median
$330,174
Typical market value
Zillow, county-wide, 2026-07
$56,875
Median household income
28% below U.S. median
29.3 min
Average commute
88%
Homes with broadband
100%
Locations with fiber available
6.7%
Unemployment

Cost of living (Clay Affordability Index)

CAI 77 — 23% below the national average. how it's computed

Housing53% below
Goods & services6% below
Utilities33% above
Taxes68% below
Insurance12% below
Commute cost5% above
For business: South Dakota is CBII band 2/5 · time to build band 1/5. See state page for the breakdown.

Living here

Nearest 4-year college14 mi
Nearest community college45 mi
Nearest technical college50 mi
High school graduates77.4%
College graduates22.6%

Doing business here

Economic development contacts, most local first:

state South Dakota Rural Enterprise
Dakota Resources is an intermediary serving rural economic development organizations (EDOs), providing flexible financing, leadership coaching, collaborative networks, and real-time resources to strengthen EDOs and rural communities.
state South Dakota's Governor's Office of Eco Dev
GOED provides financing, research, networking, and other resources to help new and existing businesses flourish in South Dakota.
State sales taxYes
State income taxNone
Right-to-work stateYes

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