Internet providers in Spearfish, SD

Spearfish is a city in South Dakota with about 12,551 residents and roughly 6,926 residential locations that internet providers can report on. The table below compares the providers that report service here.

Compare internet providers in Spearfish, SD

Share of residential locations in Spearfish where each provider reports service, from the FCC National Broadband Map (data as of December 31, 2025). Availability depends on your exact address.

#ProviderTechnology (varies by address)Locations covered
1BHT Investment HoldingsFixed wireless
99%+
2MidcoFiber, Cable, Fixed wireless
99%
3Clarity TelecomFiber, Cable, Fixed wireless
84%
4T-Mobile Home InternetFixed wireless
80%
5CenturyLink / Quantum FiberFiber, DSL
70%
6AT&TFiber, DSL, Fixed wireless
56%
Check availability
7VerizonFiber, Fixed wireless
25%
Check availability

Satellite internet

1HughesNetSatellite
99%+
2ViasatSatellite
99%+
3StarlinkSatellite
99%+

Satellite service is available at nearly every address but typically has higher latency than wired options.

Provider-reported coverage does not guarantee service or speeds at a specific address. Some "Check availability" links are affiliate links; we may earn a commission at no cost to you. How we make money.

What to know about internet in Spearfish

BHT Investment Holdings reports service to the most residential locations in Spearfish, about 100%. 6 providers report coverage of at least half of locations (BHT Investment Holdings, Midco, Clarity Telecom, T-Mobile Home Internet, CenturyLink / Quantum Fiber, and AT&T), so the market looks competitive. BHT Investment Holdings and T-Mobile Home Internet offer fixed wireless home internet, an option if you prefer no cable or fiber installation.

What technologies are available in Spearfish?

36%
of locations can get fiber
98%
can get cable
15%
can get DSL
99%+
can get fixed wireless
99%+
can get 100+ Mbps
99%
can get gigabit

Fiber reaches about 36% of locations in Spearfish, so it is available in parts of the area but not everywhere. Gigabit-class service (1,000 Mbps down) is reported for about 99% of locations. Fixed wireless home internet is reported for about 99%+ of locations.

FCC National Broadband Map, data as of December 31, 2025: share of residential locations in Spearfish that providers report they can serve. City-level figures, not your address.

Spearfish at a glance

12,551residents
5,774households
$59,731median household income
92%households with broadband
5%have no internet
37median age

About 92% of households in Spearfish have a broadband subscription, 4 points above the South Dakota average of 89%.

Source: U.S. Census Bureau, American Community Survey 5-year estimates (2023).

Internet providers in places near Spearfish

Frequently asked questions

Is fiber internet available in Spearfish?

Yes, in part. About 36% of residential locations in Spearfish can get fiber, 98% can get cable, and about 99% can get gigabit-class speeds, per FCC data. Availability depends on your exact address.

Which internet provider has the widest coverage in Spearfish?

BHT Investment Holdings reports service to about 100% of residential locations in Spearfish, the most of any provider, per FCC data. Availability still depends on your address.

How many internet providers serve Spearfish?

7 providers report service to at least 2% of locations in Spearfish, and 6 cover at least half. Satellite (HughesNet, Viasat, Starlink) is also available nearly everywhere.

What is the difference between fiber, cable and DSL?

Fiber offers the fastest and most consistent speeds, cable is widely available with high download speeds, and DSL runs over phone lines and is usually slower. See our guide for details.

What internet speed do I need in Spearfish?

Most households are well served by 100–300 Mbps. Heavy streaming, gaming or many connected devices may benefit from 500 Mbps or more.

Check your exact address

Coverage for a whole community cannot tell you what is available at your door. Enter your ZIP code, then confirm with each provider.

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