FCC Data · Updated April 2026
Idaho Internet Overview
816 Mbps avg · 280 ZIP codes · 90% fiber · 44 counties
816
Avg Mbps
90%
Fiber Access
10
Avg Providers
280
ZIP Codes
County Grade Distribution
A
7
B
18
C
18
D
1
F
0
Best Broadband Counties in Idaho
| County | Grade | Avg Download | Fiber | ZIPs |
|---|---|---|---|---|
| Oneida | A | 1000 Mbps | 100% | 2 |
| Teton | A | 1000 Mbps | 100% | 4 |
| Butte | A | 1000 Mbps | 100% | 3 |
| Madison | A | 1000 Mbps | 100% | 5 |
| Custer | A | 1000 Mbps | 100% | 5 |
| Payette | A | 1000 Mbps | 100% | 3 |
| Bonneville | A | 1000 Mbps | 100% | 11 |
| Ada | B | 1000 Mbps | 100% | 16 |
| Kootenai | B | 1000 Mbps | 100% | 11 |
| Boundary | B | 1000 Mbps | 100% | 4 |
| Twin Falls | B | 100 Mbps | 100% | 8 |
| Canyon | B | 1000 Mbps | 100% | 10 |
| Lemhi | B | 1000 Mbps | 100% | 9 |
| Bannock | B | 1000 Mbps | 100% | 9 |
| Minidoka | B | 100 Mbps | 100% | 3 |
Slowest Counties in Idaho
| County | Grade | Avg Download | Fiber | ZIPs |
|---|---|---|---|---|
| Camas | D | 25 Mbps | 0% | 2 |
| Bear Lake | C | 1000 Mbps | 100% | 9 |
| Lincoln | C | 100 Mbps | 0% | 3 |
| Lewis | C | 100 Mbps | 0% | 2 |
| Adams | C | 1000 Mbps | 100% | 4 |
| Owyhee | C | 100 Mbps | 100% | 7 |
| Benewah | C | 1000 Mbps | 100% | 6 |
| Idaho | C | 100 Mbps | 0% | 12 |
| Gooding | C | 100 Mbps | 0% | 3 |
| Clearwater | C | 1000 Mbps | 100% | 5 |
| Bingham | C | 1000 Mbps | 100% | 9 |
| Caribou | C | 1000 Mbps | 100% | 3 |
| Clark | C | 25 Mbps | 100% | 2 |
| Boise | C | 1000 Mbps | 100% | 6 |
| Elmore | C | 100 Mbps | 100% | 6 |
All 44 Counties in Idaho
AOneida
ATeton
AButte
AMadison
ACuster
APayette
ABonneville
BAda
BKootenai
BBoundary
BTwin Falls
BCanyon
BLemhi
BBannock
BMinidoka
BJefferson
BLatah
BCassia
BShoshone
BNez Perce
BBonner
BFranklin
BBlaine
BJerome
BGem
CPower
CFremont
CValley
CElmore
CWashington
CCaribou
CClark
CBoise
CBingham
CGooding
CClearwater
CIdaho
COwyhee
CBenewah
CLewis
CAdams
CBear Lake
CLincoln
DCamas
Internet Providers in Idaho
| Provider | ZIP Codes | Max Speed |
|---|---|---|
| T-Mobile | — | 25 Mbps |
| Lumen (CenturyLink) | — | 940 Mbps |
| Frontier Communications | — | 1,000 Mbps |
| Rise Broadband | 280 | 250 Mbps |
| Wired or Wireless INC. | 280 | 30 Mbps |
| Cable One | 280 | 1,000 Mbps |
| Anthem Broadband | 280 | 25 Mbps |
| Intermax Networks | 280 | 50 Mbps |
| First Step Internet, LLC | 280 | 25 Mbps |
Cities in Idaho
Neighboring States
Test Your Speed
See how your connection compares to the 816 Mbps average in Idaho.
Frequently Asked Questions
What is the average internet speed in Idaho?
Idaho has an average maximum download speed of 816 Mbps across 280 ZIP codes. 90% of areas have fiber internet access, and the state averages 10 providers per ZIP code.
Which counties in Idaho have the best internet?
The counties with the best broadband in Idaho include Oneida (Grade A), Teton (Grade A), Butte (Grade A). These areas have the fastest average speeds and most provider competition.
How does Idaho compare to the national average?
The national average download speed is 876 Mbps, while Idaho averages 816 Mbps — below the national average. Nationally, 96% of areas have fiber, compared to 90% in Idaho.
Sources: FCC Broadband Data Collection