Internet providers in South Dakota
10 providers operate somewhere in South Dakota, but no single one covers the whole state. 3 of them sell fiber. The lowest real cost we track here is Rise Broadband at $49.13/mo over two years. Pick your city to see who actually reaches it.
Prices last checked September 2026.
Largest markets
Biggest cities in South Dakota
These are the markets with the most competition. Smaller towns are further down.
Sioux Falls
202,078 people
Rapid City
4 ZIP codes
Aberdeen
2 ZIP codes
Brandon
2 ZIP codes
Brookings
2 ZIP codes
Chamberlain
2 ZIP codes
Huron
2 ZIP codes
Milbank
2 ZIP codes
Spearfish
2 ZIP codes
Agar
1 ZIP code
Akaska
1 ZIP code
Alcester
1 ZIP code
Alexandria
1 ZIP code
Allen
1 ZIP code
Alpena
1 ZIP code
Amherst
1 ZIP code
Andover
1 ZIP code
Arlington
1 ZIP code
Armour
1 ZIP code
Artesian
1 ZIP code
Ashton
1 ZIP code
Astoria
1 ZIP code
Aurora
1 ZIP code
Avon
1 ZIP code
Operators
Providers that serve South Dakota
Every company with a footprint somewhere in the state, ranked by their best plan. Whether they reach your street is a separate question — check your city.
Quantum Fiber
500 Mbps
from $50/mo
CenturyLink
500 Mbps
from $55/mo
EarthLink
500 Mbps
from $70/mo
Verizon 5G Home
1 Gbps
from $70/mo
T-Mobile Home Internet
354 Mbps
from $50/mo
Mediacom
400 Mbps
from $50/mo
Rise Broadband
100 Mbps
from $85/mo
Starlink
220 Mbps
from $55/mo
HughesNet
50 Mbps
from $50/mo
Viasat
50 Mbps
from $100/mo
Everywhere else
All cities and towns in South Dakota
Questions
Internet in South Dakota, answered
How many internet providers are there in South Dakota?
We track 10 providers with a footprint somewhere in South Dakota: Quantum Fiber, CenturyLink, EarthLink, Verizon 5G Home, T-Mobile Home Internet, Mediacom, Rise Broadband, Starlink, HughesNet, Viasat. No single one covers the whole state, so the choice at any address is much shorter — check your city for the providers that reach it.
Is fiber internet available in South Dakota?
Yes, in parts of the state. Quantum Fiber, CenturyLink, EarthLink sell fiber in South Dakota, mostly in and around the larger cities. Fiber gives you the same speed up as down and the lowest latency.
What is the cheapest internet in South Dakota?
The lowest real cost we track in South Dakota is Rise 25 from Rise Broadband, at $49.13 a month averaged over two years with equipment and installation included (advertised at $45). Prices last checked September 2026; whether it reaches your address depends on the provider's local footprint.
What is the fastest internet in South Dakota?
Quantum Fiber sells the fastest plan we track in the state, at 8 Gbps down and 8 Gbps up. Plans that fast are usually only built in the largest markets.
What are the internet options in rural South Dakota?
Outside the cable and fiber footprints, the options are 5G home internet (Verizon 5G Home, T-Mobile Home Internet) where the cell signal is strong, and satellite (Starlink, HughesNet, Viasat), which reaches essentially every address. Starlink's low-orbit service has latency low enough for video calls; the geostationary services do not.
Region