Compare 9 internet providers serving 192,517 Sioux Falls residents. Fiber from CenturyLink and AT&T, 5G from T-Mobile and Verizon, plus satellite options for surrounding areas.
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Quick Answer: Best Internet in Sioux Falls
CenturyLink Quantum Fiber is the best internet provider in Sioux Falls for most residents, offering symmetrical speeds up to 940 Mbps with no data caps. AT&T Fiber provides higher max speeds (up to 5 Gbps) with slightly less coverage. T-Mobile 5G is a strong wireless alternative at $40-50/month for areas where fiber has not yet arrived.
Sioux Falls Internet Providers Comparison
Verified February 2026. Coverage percentages based on FCC broadband data.
| Provider | Technology | Max Speed | Starting Price | Data Cap | Contract | Now |
|---|---|---|---|---|---|---|
| CenturyLink | Fiber / DSL | 940 Mbps | $30/mo | None (Fiber) | No | |
| AT&T Internet | Fiber / DSL | 5 Gbps | $55/mo | None (Fiber) | No | |
| T-Mobile 5G | 5G Fixed Wireless | 245 Mbps | $40-50/mo | None | No | |
| Verizon Fios / 5G | Fiber / 5G | 1 Gbps | $35/mo** | None | No | |
| HughesNet | Satellite | 100 Mbps | $39.99/mo | Limited | 2-year | |
| Viasat | Satellite | 150 Mbps | $39.99/mo | Unlimited*** | No | |
| Starlink | LEO Satellite | 250 Mbps | $120/mo | Soft cap | No | Online only |
**Verizon pricing with mobile bundle. ***Viasat Unleashed plan. Rise Broadband also serves limited areas.
Sioux Falls Internet Providers: Detailed Reviews
CenturyLink Internet in Sioux Falls
~62% CoverageCenturyLink (Quantum Fiber) is the leading fiber provider in Sioux Falls, delivering symmetrical speeds up to 940 Mbps with no data caps and no contracts. Their price-for-life guarantee means the rate you sign up at stays the same. Fiber plans start at $30/month.
Choose CenturyLink If:
- You want fiber with no data caps and guaranteed pricing
- You prefer symmetrical upload and download speeds
Avoid If:
- Only DSL is available at your address (much slower than fiber)
Sources & Methodology
Provider availability and coverage data for Sioux Falls, SD is sourced from the FCC Broadband Data Collection (BDC) as of December 2024. The FCC requires all internet service providers to report coverage at the location level twice per year. We cross-reference these filings with plan and pricing data collected directly from provider websites.
Our analysis methodology, data sources, and scoring criteria are documented on our methodology page. Coverage percentages represent the share of residential locations in the CBSA where each provider has reported service availability to the FCC. Actual availability may vary by specific address.
Pricing shown reflects publicly advertised rates as of 2026 and may not include taxes, equipment fees, or promotional expiration details. We recommend verifying current pricing directly with the provider. Data verified as of 2026.
AT&T Internet in Sioux Falls
~51% CoverageAT&T provides fiber and DSL service to about half of Sioux Falls. Where fiber is available, plans reach up to 5 Gbps symmetrical with no data caps. AT&T Fiber is the fastest residential option in the city, ideal for heavy bandwidth households.
Choose AT&T If:
- You need multi-gig speeds for content creation or large households
- Fiber is available at your specific address
Avoid If:
- Only DSL (not fiber) is available at your address
T-Mobile 5G Home Internet in Sioux Falls
~54% CoverageT-Mobile 5G Home Internet offers a wireless alternative at $40-50/month with no contract and no data caps. Speeds typically range from 100-245 Mbps depending on tower proximity. The 5-Year Price Guarantee prevents rate hikes.
Choose T-Mobile If:
- You want contract-free service with predictable pricing
- Fiber is not available at your address
Avoid If:
- You need speeds above 300 Mbps or low latency for gaming
Sioux Falls Internet Speeds and Prices
| Speed Tier | CenturyLink | AT&T | Verizon | T-Mobile 5G |
|---|---|---|---|---|
| 300 Mbps | $50/mo | $55/mo | $35/mo** | $40-50/mo |
| 500 Mbps | $60/mo | $65/mo | $50/mo | - |
| 940 Mbps-1 Gbps | $70/mo | $80/mo | $75/mo | - |
| 2 Gbps | - | $110/mo | - | - |
| 5 Gbps | - | $180/mo | - | - |
How Much Speed Do You Need?
- 1-2 people: 100-300 Mbps for streaming and browsing
- 3-5 people: 500 Mbps for multiple streams and video calls
- Work from home + gaming: 1 Gbps for demanding applications
Learn more: How much speed do I need?
Internet Service in Sioux Falls: Local Overview
- Population: 192,517
- CBSA: 43620 (Sioux Falls)
- Fiber providers: CenturyLink, AT&T, Verizon Fios
- 5G providers: T-Mobile, Verizon
- Satellite providers: HughesNet, Viasat, Starlink
Sioux Falls is South Dakota's largest city and its broadband market reflects growing investment. CenturyLink has prioritized fiber expansion here through its Quantum Fiber program, and AT&T has built out fiber coverage to about half the metro. Multiple 5G wireless options round out the competition.
For addresses on the city's edge or in surrounding rural areas, satellite providers HughesNet, Viasat. Starlink provide coverage where wired infrastructure has not yet reached. Rise Broadband offers fixed wireless in limited areas.
Internet by Sioux Falls Neighborhood
- Downtown/Cathedral District: Strong CenturyLink and AT&T fiber coverage
- Southeast Sioux Falls: CenturyLink fiber and T-Mobile 5G available
- West 41st Street corridor: Multiple providers compete
- Tea/Harrisburg (nearby): Growing coverage with AT&T and CenturyLink expanding
Local Internet Market Overview in Sioux Falls, SD
The broadband landscape in Sioux Falls, SD continues to evolve as providers invest in network infrastructure and expand coverage. Increased competition among internet service providers has driven improvements in both pricing and performance for Sioux Falls residents. Fiber optic networks are steadily expanding into more neighborhoods, giving consumers faster and more reliable connectivity options. The FCC's ongoing broadband initiatives, including the Broadband Equity, Access. Deployment (BEAD) program, are channeling federal funding into South Dakota to close coverage gaps in underserved communities.
Sioux Falls benefits from a competitive broadband market where multiple providers vie for customers, which helps keep monthly rates reasonable. Local infrastructure upgrades mean that residents now have access to gigabit-speed plans that were unavailable just a few years ago. As 5G fixed wireless technology matures, it provides an additional alternative for households seeking high-speed internet without traditional wired connections. Residents should regularly compare available plans, as providers frequently update their offerings. Promotional pricing in response to competitive pressure in the Sioux Falls, SD market.
Frequently Asked Questions About Sioux Falls Internet
What is the best internet provider in Sioux Falls?
CenturyLink Quantum Fiber is the best for most residents with 62% coverage and no data caps. AT&T Fiber offers faster max speeds at 51% coverage.
Is fiber internet available in Sioux Falls?
Yes. CenturyLink covers about 62%, AT&T about 51%, and Verizon Fios about 35% of addresses with fiber service.
How much does internet cost in Sioux Falls?
Prices start at $30/month for CenturyLink and $40-50/month for T-Mobile 5G. Most households pay $50-80/month for mid-to-high tier speeds.
Is 5G home internet available in Sioux Falls?
Yes. T-Mobile covers about 54% and Verizon about 35% of the city with fixed wireless 5G service.
What is the fastest internet in Sioux Falls?
AT&T Fiber at up to 5 Gbps. CenturyLink Quantum Fiber reaches 940 Mbps with wider coverage.
What internet speed do I need in Sioux Falls?
Most Sioux Falls households need between 100 and 300 Mbps for reliable performance. A household with 2-3 people streaming, browsing, and video conferencing simultaneously should aim for at least 200 Mbps. Larger families or remote workers with heavy upload needs should consider 300-500 Mbps plans, especially fiber connections that provide symmetrical upload and download speeds.
Are there government internet assistance programs in South Dakota?
Yes, South Dakota residents can access several federal and state broadband assistance programs. The FCC's Lifeline program offers discounted internet service to qualifying low-income households. Also, South Dakota's own broadband office administers state-level grants. Subsidy programs aimed at reducing internet costs and expanding infrastructure in underserved areas of the state.
How can I improve my WiFi signal at home?
Place your router in a central, elevated location away from walls and electronic interference. For larger homes in Sioux Falls, consider a mesh WiFi system that uses multiple nodes to blanket your entire house with consistent coverage. Upgrading to a WiFi 6 or WiFi 6E router can also improve performance, especially when many devices connect simultaneously. Regularly restarting your router and keeping firmware updated helps maintain optimal speeds.
Last Updated:February 7, 2026
Our team regularly reviews and updates this guide to ensure accuracy. Provider availability and pricing are verified quarterly.
Editorial Disclosure
InternetProviders.ai is committed to providing accurate, unbiased information. Some providers listed are partners who compensate us when you sign up through our links or phone numbers. This compensation may affect provider order but does not influence our ratings or recommendations. Our editorial team independently researches each provider. See our editorial guidelines and how we make money.
Internet Speed Requirements for Sioux Falls Households
The speed you need in Sioux Falls depends on how many people and devices use your connection simultaneously. A single person streaming video and browsing the web can get by with 50-100 Mbps. A household of 2-3 people with regular streaming and video calls should target 200-300 Mbps. Larger families with 4 or more heavy users benefit from 500 Mbps to 1 Gbps plans, especially when multiple people are streaming in 4K, gaming online, or working from home at the same time.
Upload speed matters just as much as download speed for Sioux Falls residents who work remotely. Video conferencing platforms like Zoom and Teams require at least 5 Mbps upload for stable HD video. 10 Mbps or more for group calls with screen sharing. If multiple household members participate in video calls simultaneously, ensure your plan provides at least 20-25 Mbps upload speed. Fiber plans offer the best upload performance with symmetrical speeds.
How to Choose the Right Internet Plan in Sioux Falls
Selecting an internet plan in Sioux Falls, South Dakota requires balancing several factors. Start by assessing your household's actual usage patterns. A single person who primarily browses and streams needs far less bandwidth than a family of four with multiple gamers and remote workers.
Consider these key factors when comparing plans from AT&T, Verizon Fios, CenturyLink:
- Download speed requirements — For basic browsing and email, 25-50 Mbps suffices. Streaming in 4K requires at least 25 Mbps per device. Competitive gaming needs low latency more than raw speed, making fiber or cable preferable to satellite.
- Upload speed needs — If you work from home with video conferencing, prioritize plans with upload speeds of at least 10 Mbps. Fiber connections typically offer symmetric speeds, giving you equal upload and download performance.
- Data caps and throttling — Some providers in Sioux Falls impose monthly data limits. If your household regularly exceeds 1 TB per month, look for plans with unlimited data or generous caps.
- Contract terms — Many providers offer better introductory rates on 12-24 month contracts. If you prefer flexibility, check for no-contract options, though they may carry a slightly higher monthly cost.
- Equipment fees — Router and modem rental fees can add $10-15/month. Purchasing your own compatible equipment often pays for itself within a year.
Internet Speed Performance in Sioux Falls
Internet speeds in Sioux Falls, South Dakota vary significantly depending on your connection type and provider. Understanding real-world performance versus advertised speeds helps you set realistic expectations and identify potential issues.
Peak hour performance: Most internet connections in Sioux Falls experience some slowdown during evening hours (7-11 PM) when neighborhood usage peaks. Cable connections are most affected since they share bandwidth across local nodes. Fiber connections maintain consistent speeds regardless of neighborhood congestion.
Testing your connection: Run speed tests at different times of day to get an accurate picture of your connection's performance. Test using a wired ethernet connection for the most reliable measurement. If your speeds consistently fall below 80% of your plan's rated speed, contact your provider — you may be eligible for a service credit or technical investigation.
Latency considerations: For activities like online gaming and video calls, latency (ping time) matters more than raw download speed. Fiber and cable connections in Sioux Falls typically deliver latency under 20ms, while satellite connections average 40-100ms. If low latency is critical for your work or entertainment, prioritize wired broadband over satellite or fixed wireless options.
Supporting Connected Devices in Your Sioux Falls Home
Modern households in Sioux Falls average 15-25 connected devices, from smartphones and laptops to smart TVs, security cameras, thermostats, and voice assistants. Your internet plan needs to support this growing ecosystem reliably.
Bandwidth allocation: Each connected device consumes bandwidth even when not actively in use. Smart home devices like cameras and doorbell systems stream continuously, using 2-5 Mbps each. A household with 4 security cameras, 3 smart TVs, and multiple phones and computers can easily consume 100+ Mbps during peak usage periods.
Router capacity: Consumer-grade routers support 20-50 simultaneous connections. If your household exceeds this, devices may experience dropouts or degraded performance. Upgrading to a modern Wi-Fi 6 or Wi-Fi 6E router improves handling of many simultaneous connections and provides better performance for each device.
Network segmentation: Consider setting up a separate network (guest network) for IoT devices like smart plugs, lights, and thermostats. This improves security by isolating these devices from your primary computers and phones, and can improve performance by reducing congestion on your main network.
Can I get gigabit internet in Sioux Falls, SD?
Gigabit internet (1,000 Mbps) is available in many parts of Sioux Falls through fiber and select cable plans. Availability depends on your exact address — fiber coverage continues to expand but doesn't yet reach all neighborhoods. Some providers also offer multi-gigabit plans up to 2-5 Gbps in areas with the newest infrastructure.
When is the best time to switch internet providers in Sioux Falls?
The best time to switch is when your current promotional rate expires, typically after 12-24 months. Back-to-school season (August-September) and moving season (May-June) often bring the best promotional offers from Sioux Falls providers. Also watch for holiday promotions around Black Friday and the new year.