Sioux City residents have 3 internet providers to choose from. Sparklight is the most popular provider, offering cable and fiber internet service. In our research, we have been seeing 143 Mbps for download speeds and 27 Mbps for upload speeds for Sparklight customers over 9,874 recent tests. FiberComm and CenturyLink also have coverage in Sioux City, although they are not as popular as Sparklight. These providers offer DSL, fiber and fixed wireless internet service.
See more detailed speed and coverage data below.
| Provider | Download Speed | Upload Speed | Latency |
|---|---|---|---|
| Sparklight Cable Fiber | 143 Mbps | 27 Mbps | 64 ms |
| FiberComm DSL Fiber Fixed Wireless | 87 Mbps | 39 Mbps | 25 ms |
| CenturyLink DSL Fiber | 13 Mbps | 1 Mbps | 57 ms |
| * Data from speed tests taken in the last 3 months | |||
Sparklight is the most popular provider in Sioux City offering cable and fiber internet service. Users have been getting 143 Mbps for download speeds and 27 Mbps for upload speeds over 9,874 recent tests.
Sparklight has the fastest average download speed, the 2nd fastest average upload speed, and the 3rd lowest latency out of all of the providers in Sioux City. 40% of users saw download speeds between 100-250 Mbps, and 47% of users saw upload speeds between 25-50 Mbps.
Download Speeds
Upload Speeds
| Date | Download Speed | Upload Speed | Latency |
|---|---|---|---|
| June 17, 2024 | 89 Mbps | 2 Mbps | 63 ms |
| June 17, 2024 | 53 Mbps | 45 Mbps | 80 ms |
| June 17, 2024 | 49 Mbps | 17 Mbps | 31 ms |
| June 17, 2024 | 91 Mbps | 44 Mbps | 68 ms |
| June 17, 2024 | 299 Mbps | 1 Mbps | 62 ms |
| June 17, 2024 | 90 Mbps | 4 Mbps | 64 ms |
| June 17, 2024 | 173 Mbps | 47 Mbps | 65 ms |
| June 17, 2024 | 301 Mbps | 50 Mbps | 32 ms |
| June 17, 2024 | 46 Mbps | 12 Mbps | 63 ms |
| June 17, 2024 | 39 Mbps | 39 Mbps | 65 ms |
FiberComm is the 2nd most popular provider in Sioux City offering DSL, fiber and fixed wireless internet service. Users have been getting 87 Mbps for download speeds and 39 Mbps for upload speeds over 1,369 recent tests.
FiberComm has the 2nd fastest average download speed, the fastest average upload speed, and the lowest latency out of all of the providers in Sioux City. 25% of users saw download speeds between 50-100 Mbps, and 20% of users saw upload speeds between 25-50 Mbps.
Download Speeds
Upload Speeds
| Date | Download Speed | Upload Speed | Latency |
|---|---|---|---|
| June 17, 2024 | 91 Mbps | 28 Mbps | 192 ms |
| June 17, 2024 | 169 Mbps | 146 Mbps | 23 ms |
| June 17, 2024 | 47 Mbps | 53 Mbps | 22 ms |
| June 16, 2024 | 47 Mbps | 53 Mbps | 25 ms |
| June 16, 2024 | 5 Mbps | 2 Mbps | 31 ms |
| June 14, 2024 | 93 Mbps | 42 Mbps | 23 ms |
| June 14, 2024 | 94 Mbps | 36 Mbps | 24 ms |
| June 14, 2024 | 2 Mbps | 1 Mbps | 28 ms |
| June 13, 2024 | 557 Mbps | 544 Mbps | 30 ms |
| June 13, 2024 | 94 Mbps | 27 Mbps | 24 ms |
CenturyLink is the 3rd most popular provider in Sioux City offering DSL and fiber internet service. Users have been getting 13 Mbps for download speeds and 1 Mbps for upload speeds over 1,094 recent tests.
CenturyLink has the 3rd fastest average download speed, the 3rd fastest average upload speed, and the 2nd lowest latency out of all of the providers in Sioux City. 41% of users saw download speeds slower than 10 Mbps, and 72% of users saw upload speeds slower than 5 Mbps.
Download Speeds
Upload Speeds
| Date | Download Speed | Upload Speed | Latency |
|---|---|---|---|
| June 17, 2024 | 6 Mbps | 1 Mbps | 57 ms |
| June 17, 2024 | 59 Mbps | 20 Mbps | 53 ms |
| June 17, 2024 | 6 Mbps | 1 Mbps | 83 ms |
| June 17, 2024 | 31 Mbps | 1 Mbps | 56 ms |
| June 17, 2024 | 6 Mbps | 1 Mbps | 68 ms |
| June 16, 2024 | 2 Mbps | 1 Mbps | 52 ms |
| June 16, 2024 | 30 Mbps | 2 Mbps | 59 ms |
| June 15, 2024 | 58 Mbps | 20 Mbps | 52 ms |
| June 15, 2024 | 2 Mbps | 1 Mbps | 72 ms |
| June 15, 2024 | 37 Mbps | 20 Mbps | 54 ms |
We’ll run a download test and an upload test to give you the full picture of your internet connection.