South Dakota Broadband Data
South Dakota is a thinner Form 477 book (429,732 records from 58 providers). satellite leads the mix; 18.6% of filings sit at ≥100 Mbps advertised max.
Data updated June 2026
429,732 Form 477 records, lower third (< 569,696)
South Dakota at a glance
In South Dakota, 60.1% of records are satellite and 11.0% fiber on a thinner 429,732-record book (satellite-led).
- 11.0%
- fiber share (above the 4.3% national share)
- 18.6%
- filings ≥100 Mbps max (-5.9 pp vs 24.6% national)
- 60.1%
- satellite share - the dominant category
- widest footprint - 88,360 records
Shares are the percentage of this state's Form 477 deployment records using each technology category. Speed tiers are max-advertised download buckets, not measured retail speeds.
South Dakota broadband livability score
A single 0-100 verdict combining South Dakota's standing on 3 FCC Form 477-derived measures against every other tracked state and territory. A missing measure would drop out and redistribute its weight rather than deflate the score, not exercised on this build, since South Dakota reports all three.
60/100
Percentile-weighted across 3 of 3 measures
- Average download speed
- D 123 Mbps
41th percentile of 56 tracked
- Fiber availability
- A 11.0 %
91th percentile of 56 tracked
- Provider competition
- D 58.0 providers
50th percentile of 56 tracked
South Dakota's ≥100 Mbps filings trail the national Form 477 mix
Thin filing book: 18.6% of South Dakota records advertise ≥100 Mbps max, against 24.6% nationally (-5.9 pp).
- SD ≥100 Mbps share
- 18.6%
- All-state ≥100 Mbps share
- 24.6%
- SD vs national
- -5.9 pp
- SD avg max advertised
- 123 Mbps
Derivation: SD state_speed_tiers row vs SUM(state_speed_tiers); maxaddown buckets, not address-level availability or retail speed tests.
South Dakota vs all states by provider count
Where this state's Form 477 filer count sits among every state and territory on PlainBroadband
58 29th of 56 higher than 27 of 56 states
States, banded by distinct broadband providers filing Form 477
Each bar is a band; taller bars hold more states. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.
Source FCC Form 477 fixed broadband deployment · June 2020
Technology Breakdown
South Dakota broadband technologies by reported deployment records
FCC Form 477 fixed broadband deployment data (June 2020 status)
Full technology detail
| # | Technology | Records |
|---|---|---|
| 1 | Satellite | 258,106 |
| 2 | Terrestrial Fixed Wireless | 65,476 |
| 3 | Fiber | 47,272 |
| 4 | Cable | 22,213 |
| 5 | DSL | 14,637 |
| 6 | ADSL2+ | 14,034 |
| 7 | VDSL | 7,918 |
| 8 | Symmetric DSL | 74 |
| 9 | Other Copper | 2 |
Who Reports the Most in South Dakota
The providers carrying the largest share of South Dakota's Form 477 deployment records. ViaSat, Inc. leads with 88,360 records.
Top providers in South Dakota by reported deployment records
FCC Form 477 fixed broadband deployment data (June 2020 status)
Full Provider List - South Dakota
Showing top 50 of 58 providers.
Thin-book peers near South Dakota
Thin-book peers for South Dakota: nearest states by filer count and by total deployment records (provider floor ≥10, record floor ≥10,000).
Similar provider count
Nearest states by FCC filers reporting (58 here).
Similar deployment-record total
Nearest states by summed Form 477 records (429,732 here), excluding the filer-count set.
Disclaimer: Data from FCC Form 477. For informational purposes only. Coverage percentages are based on provider filings and may overstate actual availability at specific addresses. Speed figures represent maximum advertised speeds, not guaranteed performance. Always verify availability directly with providers.
Frequently Asked Questions
- Is South Dakota's Form 477 filing book unusually thin?
- South Dakota has 429,732 records from 58 providers, lower third (< 569,696). Thin books still matter when one technology or a few rural carriers dominate the mix.
- How does South Dakota's ≥100 Mbps advertised share compare nationally?
- 18.6% of South Dakota's Form 477 filings advertise ≥100 Mbps max download, versus 24.6% nationally (-5.9 pp). Tiers come from state_speed_tiers maxaddown buckets, not retail speed tests.
- What broadband technologies dominate South Dakota's filings?
- satellite-led mix: fiber 11.0%, cable 5.2%, DSL 8.5%, fixed wireless 15.2%, satellite 60.1% of Form 477 records.
Read our methodology - how this data is sourced, computed, and verified.
Read with this state
- Alabama (59 filers)
- Idaho (60 filers)
- New Mexico (52 filers)
- Montana (51 filers)
- Mix reading guide →
What to do with South Dakota's footprint
Provider count and record volume describe who files here, not what any one address can get.
- ViaSat, Inc. leads South Dakota's filings with 88,360 records. Check its footprint across every other state it serves. ViaSat, Inc. profile
- Compare against Alabama, a similarly-sized state by provider count. Compare to Alabama
- Find your own speed tier and what technology mix typically delivers it. Speed tier finder
Figures are FCC Form 477 fixed-deployment data as of June 2020, the final Form 477 release, self-reported by census block. For current, address-level availability, use the FCC National Broadband Map.
State-level figures reflect reported provider footprint, not a real-time or address-level availability check.