Custer, SD High Speed Internet Service

There are a total of 4 companies providing internet service to a significant portion of Custer, South Dakota and meet the minimum accepted broadband definition of 25 Mbps download speed. Our proprietary ranking calculation takes into account different aspects of useable download speed, upload speed and coverage area. For example, an increase of 100 Mbps download speed from 200 Mbps to 300 Mbps is much more significant for users than an increase from 1000 Mbps to 1100Mpbs. Also, for nearly all users download speed is much more important than upload speed. Our ranked ordering of internet service providers in Custer:

Rank Provider Tech Max Download Speed Max Upload Speed Availability
1Golden West TelecommunicationsDSL, Fiber100 Mbps100 Mbps100.0%
2Golden West TelecommunicationsCable50 Mbps50 Mbps98.2%
3ViaSatSatellite100 Mbps3 Mbps100%
4HughesNetSatellite25 Mbps3 Mbps100%

Custer SD Internet Access Options

Studies have shown that the competition from having two or more broadband internet providers in a community leads to lower prices and better overall service.
The chart below graphs the segment of the population which has a choice of internet providers at four different ranges of download speeds.


Broadband Internet Speeds

How does the average download speed for broadband internet in Custer compare to Custer County? The average speed in Custer is 16.57 Mbps which is faster than Custer County overall.
On a statewide basis this download speed is slower than the South Dakota average of 24.34 Mbps.


Custer Internet Access Facts

  • The average upload speed in Custer is 6.94 Mbps. This is 14.9% faster than the average in South Dakota and 40.2% slower than the national average of 11.56 Mbps

  • The average download speed in Custer is 71.5% faster than the Custer County average and 48.9% slower than the national average of 32.4 Mbps

  • The average upload speed in Custer is 6.94 Mbps. This is 126.1% faster than the Custer County average and 40.2% slower than the national average of 11.56 Mbps

  • Cable internet is available to 31.4% of Custer County residents

  • Fiber optic internet is available to 56.8% of Custer County residents

  • The average internet download speed in Custer County is 9.66 Mbps based upon 15584 samples taken in the past year


Internet Access Technologies

DSL, Cable, Fiber and Fixed Wireless are four common types of technology used to provide internet access. The following chart shows the percentage of Custer residents who have access to each of these technology types.

Internet Service FAQs

Who has the best internet service near me?

Our proprietary algorithm that takes into consideration download speed, upload speed, availability and overall value ranks Golden West Telecommunications as the top provider for Custer, South Dakota.

Who has the fastest internet service in Custer?

Golden West Telecommunications and ViaSat with a download speed of 100 Mbps provide the fastest internet service in Custer.

What locations were used in calculating broadband internet coverage for Custer, South Dakota?

The following zip codes were used: 57350, 57634, 57645 and 57730

How do the internet speeds in Custer compare to other cities in South Dakota?

Click through to see how the Custer broadband speeds compare to these other cities throughout the state: Clear Lake, Garretson, Hot Springs, Ipswich, Redfield, Sioux Falls, Sturgis

What is DSL internet service?

DSL provides internet service via phone lines but at speeds typically 100x or more than old fashioned dial-up service over those same phone lines. Download speeds are typically slower than cable, but DSL is more likely to be available in a remote location than cable.

Which internet service provider offers the most coverage in Custer, South Dakota?

Golden West Telecommunications provides broadband internet service to 98.2% of Custer.

What is cable internet service?

Cable internet service streams data through the same coaxial cables used for cable television. In nearly all instances cable internet will be faster than DSL. Cable internet is available to nearly 90% of Americans but does not have as much coverage in remote areas as DSL.

What download speed do I need to stream movies?

For HD movies and shows Amazon Prime Video, Netflix, Disney+ and Hulu all recommend a minimum of 5 Mbps. Streaming 4K/UHD content requires a minimum of 25 Mbps for Amazon Prime Video, Netflix, Disney+ and Hulu.

What internet download speed do I need?

Consider the following general rules of thumb when determining the download speed you need for your new Custer internet service.

Speed Devices Typical Usage
25+ Mbps1-2 devicesWeb browsing
Music streaming
HD video streaming
100+ Mbps3-5 devicesVideo conferencing
4K video streaming
Online gaming
1000+ Mbps6+ devicesMultiple video or 4K streams
Zero latency gaming

Is there DSL internet service near me?

Yes, there is 1 DSL provider in Custer - Golden West Telecommunications.

Custer Cable TV, Satellite TV and Streaming Services

Our ranking of internet service plans can make choosing a new provider fairly easy. Selecting a TV provider is more difficult as additional variables are involved. If you are a heavy TV viewer and/or watch in multiple rooms at the same time, a traditional cable TV package or satellite TV provider may be the best option for you. However, if you live in a rental property or a heavily wooded area, satellite TV may not be a viable option. Streaming TV packages can be a good option for many, especially if your internet plan does not have a data limit. Read through the pros and cons of the various TV packages available to you and chose the best match to your viewing needs.


  • 290+ channels
  • Satellite coverage virtually anywhere
  • 4 video package tiers
  • Access to apps, Google assistant and 2000 hour smart DVR
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Hulu Live TV

  • 75+ channels
  • Access to premium Hulu originals
  • Includes Disney+ and ESPN+
  • 2 simultaneous streams supported on a broad array of devices
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YouTube TV

  • 85+ channels
  • Unlimited cloud DVR
  • Local network coverage
  • Sports plus, Spanish plus and premium movie add-ons
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DIRECTV stream

  • 140+ channels
  • Unlimited cloud DVR
  • Local network and sports coverage
  • Unlimited streams in-home. TV to go with the DIRECTV app
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  • 180+ channels
  • 1000 hours of cloud DVR
  • Local network coverage
  • Extensive sports coverage plus sports add-on packages
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  • 50+ channels
  • 50 hours of DVR storage
  • No annual contracts
  • Up to 4 simultaneous streams across a wide variety of devices
Learn More