| Station | Format | Owner/LMA | Jun20 | Jul20 | Aug20 | Cume |
| KYGO-FM | Country | Bonneville International | 6.0 | 6.7 | 5.9 | 372,500 |
| KQMT-FM | Classic Rock | Entercom | 4.9 | 5.8 | 5.5 | 440,700 |
| KCFR-FM | News/Talk | Colorado Public Radio | 5.8 | 5.6 | 5.5 | 244,000 |
| KOSI-FM | Soft AC | Bonneville International | 4.6 | 4.4 | 4.7 | 522,500 |
| KIMN-FM | Hot AC | KSE Radio Ventures | 4.0 | 4.3 | 4.7 | 363,100 |
| KRFX-FM | Classic Rock | iHeartMedia, Inc. | 5.9 | 5.5 | 4.4 | 412,600 |
| KXPK-FM | Regional Mexican | Entravision Communications Corp. | 3.7 | 3.8 | 4.4 | 214,900 |
| KDFD-AM | Talk | iHeartMedia, Inc. | 3.8 | 4.0 | 4.3 | 145,000 |
| KXKL-FM | Classic Hits | KSE Radio Ventures | 4.6 | 5.5 | 4.2 | 431,500 |
| KJMN-FM | Regional Mexican | Entravision Communications Corp. | 4.1 | 3.8 | 3.9 | 191,100 |
| KPTT-FM | Rhythmic-CHR | iHeartMedia, Inc. | 3.5 | 2.9 | 3.9 | 399,800 |
| KQKS-FM | Rhythmic-CHR | Entercom | 3.1 | 3.4 | 3.7 | 334,700 |
| KALC-FM | Hot AC | Entercom | 3.7 | 3.1 | 3.6 | 325,700 |
| KBCO-FM | Adult Alternative | iHeartMedia, Inc. | 4.9 | 3.7 | 3.5 | 321,400 |
| KTCL-FM | Modern/Alternative Rock | iHeartMedia, Inc. | 3.8 | 4.1 | 3.2 | 383,800 |
| KWBL-FM | Country | iHeartMedia, Inc. | 3.0 | 2.9 | 2.9 | 214,000 |
| KVOD-FM | Classical | Colorado Public Radio | 2.1 | 2.1 | 2.3 | 102,500 |
| KJHM-FM | Hot AC | Max Broadcast Group Holdings, LLC | 1.6 | 1.8 | 2.1 | 173,400 |
| KOA-AM | News/Talk | iHeartMedia, Inc. | 1.7 | 1.7 | 2.1 | 152,400 |
| KKFN-FM | Sports | Bonneville International | 2.3 | 1.8 | 2.0 | 116,400 |
| KFCO-FM | CHR | Max Broadcast Group Holdings, LLC | 1.3 | 1.4 | 1.7 | 194,700 |
| KHOW-AM | Talk | iHeartMedia, Inc. | 1.2 | 1.2 | 1.3 | 46,500 |
| KBPI-FM | Rock | iHeartMedia, Inc. | 1.4 | 1.4 | 1.1 | 134,900 |
| KQKS-HD2 | Comedy | Entercom | 1.3 | 1.1 | 1.1 | 98,700 |
| KUVO-FM | Jazz | Rocky Mountain Public Broadcasting Network, Inc. | 1.1 | 1.0 | 1.1 | 71,400 |
| KEZW-AM | Oldies | Entercom | 1.1 | 1.0 | 0.9 | 37,700 |
| KBNO-AM | Regional Mexican | Latino Communications, LLC | 0.8 | 0.9 | 0.9 | 44,300 |
| KUNC-FM / KRNC-FM | News/Talk | Community Radio for Northern Colorado | 0.6 | 0.6 | 0.8 | 56,600 |
| KVOQ-FM / KVQI-FM | Adult Alternative | Colorado Public Radio | 0.7 | 0.5 | 0.7 | 51,100 |
| KJAC-FM | Adult Alternative | Community Radio for Northern Colorado | 0.6 | 0.5 | 0.5 | 38,100 |
| KKSE-FM | Sports | KSE Radio Ventures | 0.4 | 0.3 | 0.5 | 33,300 |
| KEPN-AM | Sports | Bonneville International | 0.1 | 0.1 | 0.1 | 10,300 |
| KKSE-AM | Sports | KSE Radio Ventures | 0.1 | 0.1 | 0.1 | 17,800 |
| KMXA-AM | Ranchera | Entravision Communications Corp. | 0.1 | 0.1 | 0.1 | 17,000 |
| KGNU-AM | Variety | Boulder Community Broadcast Association, Inc. | 0.0 | 0.0 | 0.1 | 2,800 |
| KUVO-FM Stream | Jazz | Rocky Mountain Public Broadcasting Network, Inc. | 0.2 | 0.3 | 0.0 | 1,600 |
| KVOQ-FM Stream / KVQI-FM | Adult Alternative | Colorado Public Radio | 0.0 | 0.1 | 0.0 | 2,500 |
| KGNU-FM | Variety | Boulder Community Broadcast Association, Inc. | 0.1 | 0.0 | 0.0 | 5,700 |