San Marcos residents have 3 internet providers to choose from. Spectrum is the most popular provider, offering cable and fiber internet service. In our research, we have been seeing 191 Mbps for download speeds and 12 Mbps for upload speeds for Spectrum customers over 10,029 recent tests. Grande Communications and CenturyLink also have coverage in San Marcos, although they are not as popular as Spectrum. These providers offer cable, fiber and DSL internet service.
See more detailed speed and coverage data below.
| Provider | Download Speed | Upload Speed | Latency |
|---|---|---|---|
| Spectrum Cable Fiber | 191 Mbps | 12 Mbps | 15 ms |
| Grande Communications Cable Fiber | 260 Mbps | 47 Mbps | 14 ms |
| CenturyLink DSL Fiber | 195 Mbps | 144 Mbps | 8 ms |
| * Data from speed tests taken in the last 3 months | |||
Spectrum is the most popular provider in San Marcos offering cable and fiber internet service. Users have been getting 191 Mbps for download speeds and 12 Mbps for upload speeds over 10,029 recent tests.
Spectrum has the 3rd fastest average download speed, the 3rd fastest average upload speed, and the 3rd lowest latency out of all of the providers in San Marcos. 34% of users saw download speeds between 250-500 Mbps, and 57% of users saw upload speeds between 10-25 Mbps.
Download Speeds
Upload Speeds
| Date | Download Speed | Upload Speed | Latency |
|---|---|---|---|
| June 17, 2024 | 142 Mbps | 12 Mbps | 27 ms |
| June 17, 2024 | 546 Mbps | 23 Mbps | 14 ms |
| June 17, 2024 | 554 Mbps | 23 Mbps | 14 ms |
| June 17, 2024 | 20 Mbps | 20 Mbps | 28 ms |
| June 17, 2024 | 216 Mbps | 22 Mbps | 13 ms |
| June 17, 2024 | 363 Mbps | 11 Mbps | 18 ms |
| June 17, 2024 | 476 Mbps | 29 Mbps | 14 ms |
| June 17, 2024 | 186 Mbps | 12 Mbps | 18 ms |
| June 17, 2024 | 360 Mbps | 18 Mbps | 13 ms |
| June 17, 2024 | 145 Mbps | 39 Mbps | 17 ms |
Grande Communications is the 2nd most popular provider in San Marcos offering cable and fiber internet service. Users have been getting 260 Mbps for download speeds and 47 Mbps for upload speeds over 3,244 recent tests.
Grande Communications has the fastest average download speed, the 2nd fastest average upload speed, and the 2nd lowest latency out of all of the providers in San Marcos. 34% of users saw download speeds between 250-500 Mbps, and 25% of users saw upload speeds faster than 250 Mbps.
Download Speeds
Upload Speeds
| Date | Download Speed | Upload Speed | Latency |
|---|---|---|---|
| June 17, 2024 | 309 Mbps | 20 Mbps | 13 ms |
| June 17, 2024 | 359 Mbps | 356 Mbps | 14 ms |
| June 17, 2024 | 5 Mbps | 1 Mbps | 16 ms |
| June 17, 2024 | 230 Mbps | 201 Mbps | 12 ms |
| June 17, 2024 | 62 Mbps | 17 Mbps | 19 ms |
| June 17, 2024 | 761 Mbps | 663 Mbps | 14 ms |
| June 17, 2024 | 82 Mbps | 86 Mbps | 17 ms |
| June 17, 2024 | 369 Mbps | 19 Mbps | 17 ms |
| June 17, 2024 | 496 Mbps | 36 Mbps | 18 ms |
| June 17, 2024 | 408 Mbps | 19 Mbps | 14 ms |
CenturyLink is the 3rd most popular provider in San Marcos offering DSL and fiber internet service. Users have been getting 195 Mbps for download speeds and 144 Mbps for upload speeds over 77 recent tests.
CenturyLink has the 2nd fastest average download speed, the fastest average upload speed, and the lowest latency out of all of the providers in San Marcos. 61% of users saw download speeds between 100-250 Mbps, and 61% of users saw upload speeds between 100-250 Mbps.
Download Speeds
Upload Speeds
| Date | Download Speed | Upload Speed | Latency |
|---|---|---|---|
| June 17, 2024 | 783 Mbps | 437 Mbps | 10 ms |
| June 16, 2024 | 13 Mbps | 1 Mbps | 40 ms |
| June 4, 2024 | 423 Mbps | 399 Mbps | 16 ms |
| June 4, 2024 | 3 Mbps | 12 Mbps | 10 ms |
We’ll run a download test and an upload test to give you the full picture of your internet connection.