Idaho Internet Overview
816 Mbps avg · 280 ZIP codes · 90% fiber · 44 counties
County Grade Distribution
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
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
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.
The this entity record above pulls directly from the FCC Broadband Data Collection (BDC). What follows is the per-entity context — how this entity sits in the broader U.S. internet availability and broadband speed distribution and which underlying factors drive the headline numbers.
The methodology behind every numeric value on this page is publicly documented on the the FCC Broadband Data Collection (BDC) portal and described in detail on this site’s methodology page. Refresh cadence varies by underlying series; the page surfaces the as-of date for each number so readers can trace any figure back to the source release.
Practical use of this page is in combination with the comparison and ranking pages elsewhere on the site, which surface the same data for this entity’s peers within U.S. ZIPs, counties, and states. A single-entity reading without peer context can be misleading when an entity is an outlier on one axis but typical on another.
Source: FCC Broadband Data Collection, 2026.