Jefferson, MT Internet Speeds — Measured 2024
Real speed tests run in Jefferson County, Montana during 2024 recorded a median download of 28.8 Mbps, upload of 8.0 Mbps and latency of 46.6 ms, across 317 measurements. That is 0.3× the US median and places it #2,270 of 2,425 US counties.
What these numbers mean here
The median is the typical connection, not the best one available. Half the tests in Jefferson came in below 28.8 Mbps and half above. The slower quarter of connections measured under 8.8 Mbps, while the faster quarter exceeded 136.4 Mbps — a spread that usually reflects a mix of fibre, cable and older DSL lines in the same area rather than one uniform service level.
At 28.8 Mbps down and 8.0 Mbps up, a typical household here can manage standard streaming and browsing, but will feel the limits with multiple users or large uploads. Latency of 46.6 ms is high enough that video calls and gaming may feel laggy.
The spread of connections in Jefferson
Measured download speed, 2024
How Montana has changed since 2020
Median download by year, Montana
State-wide measured median, Mbps
How the big providers actually perform
Median measured download speed by provider across the United States. SignalScout does not yet map which of these serve Jefferson specifically — see how to check availability — but the ranking shows what customers of each really get.
Montana counties ranked
| # | County | Down | Up | Latency |
|---|---|---|---|---|
| 1 | Richland | 140.3 | 59.8 | 35.5 |
| 2 | Madison | 104.1 | 99.4 | 29.0 |
| 3 | Silver Bow | 92.3 | 10.6 | 40.2 |
| 4 | Missoula | 91.1 | 10.3 | 33.3 |
| 5 | Lewis and Clark | 91.0 | 10.8 | 45.2 |
| 6 | Cascade | 90.4 | 10.7 | 44.5 |
| 7 | Yellowstone | 88.7 | 10.5 | 59.7 |
| 8 | Fergus | 88.6 | 43.0 | 22.8 |
| 9 | Gallatin | 86.2 | 12.7 | 57.6 |
| 10 | Dawson | 81.4 | 37.4 | 35.7 |
| 11 | Deer Lodge | 78.1 | 10.1 | 43.4 |
| 12 | Flathead | 74.8 | 10.1 | 36.1 |
See all 26 counties in Montana →
Check a specific address in Jefferson
County figures describe the area. To look up a specific street address and compare it with somewhere else you are considering, use SignalScout directly.
Common questions
What is the average internet speed in Jefferson, MT?
Speed tests run in Jefferson during 2024 recorded a median download of 28.8 Mbps, a median upload of 8.0 Mbps and median latency of 46.6 ms, across 317 measurements collected by Measurement Lab.
Is internet in Jefferson faster or slower than the US average?
Slower. The median measured download here is 28.8 Mbps against a US median of 85.2 Mbps, which ranks Jefferson #2,270 out of 2,425 counties nationally.
Are these advertised speeds or real ones?
Real ones. These are aggregated results of speed tests run by actual people on their own connections, published in the public domain by Measurement Lab. They reflect the plans residents actually buy, which is typically well below the fastest plan a provider sells.
Which internet providers serve Jefferson?
SignalScout does not yet map provider availability by address — that data comes from FCC filings that require a registered account for bulk access. The page shows how major national providers perform, and the FCC National Broadband Map lists filed availability by address.
Check a real address
See the measured download, upload and latency for any US address, plus a Connectivity Score ranked against every county in the country.