CO Mule Deer Unit 21
Season Dates
| Year | Weapon | Dates | Tag Type | Sex |
|---|---|---|---|---|
| 2026 | Archery | Sep 2, 2026 — Sep 30, 2026 | — | — |
| 2026 | Muzzleloader | Sep 12, 2026 — Sep 20, 2026 | — | — |
| 2026 | Rifle — Plains | Oct 24, 2026 — Nov 3, 2026 | — | — |
| 2026 | Rifle — Third | Nov 7, 2026 — Nov 15, 2026 | — | — |
| 2026 | Rifle — Fourth | Nov 18, 2026 — Nov 22, 2026 | — | — |
| 2026 | Rifle — First | Oct 14, 2026 — Oct 18, 2026 | — | — |
| 2026 | Rifle — Second | Oct 24, 2026 — Nov 1, 2026 | — | — |
Trophy Data
AI Scout Analysis
# Unit 21 Tactical Analysis ## Terrain & Access Unit 21 spans 5,053–9,055 ft elevation across 568k acres with 94% public land—excellent access for DIY hunters. However, forum reports indicate heavy crowding during muzzleloader and rifle seasons, especially at public access points. Early-season scouting and willingness to hike miles from roads will be critical for success. ## Herd Quality & Trends Forum discussions flag Unit 21 as experiencing a prolonged quality decline—"in a serious slump for well over 10 years." Mature buck numbers are reportedly down significantly. This is NOT a trophy unit in its current state, despite historical potential....
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Get StartedDraw Odds
| Year | Weapon | Residency | Applicants | Tags | Draw % |
|---|---|---|---|---|---|
| 2025 | archery (Male S1) | resident | 114 | 34 | 29.8% |
| 2025 | archery (Male S1) | nonresident | 98 | 12 | 12.2% |
| 2025 | muzzleloader (Male S1) | resident | 46 | 16 | 34.8% |
| 2025 | muzzleloader (Male S1) | nonresident | 43 | 4 | 9.3% |
| 2025 | rifle (Male S2) | resident | 667 | 171 | 25.6% |
| 2025 | rifle (Male S2) | nonresident | 384 | 62 | 16.2% |
| 2025 | rifle (Male S3) | resident | 242 | 64 | 26.5% |
| 2025 | rifle (Male S3) | nonresident | 179 | 16 | 8.9% |
| 2024 | archery (Male S1) | resident | 84 | 34 | 40.5% |
| 2024 | archery (Male S1) | nonresident | 95 | 12 | 12.6% |
| 2024 | muzzleloader (Male S1) | resident | 48 | 15 | 31.3% |
| 2024 | muzzleloader (Male S1) | nonresident | 39 | 5 | 12.8% |
| 2024 | rifle (Male S2) | resident | 692 | 158 | 22.8% |
| 2024 | rifle (Male S2) | nonresident | 301 | 60 | 19.9% |
| 2024 | rifle (Male S3) | resident | 223 | 62 | 27.8% |
| 2024 | rifle (Male S3) | nonresident | 170 | 15 | 8.8% |
| 2023 | archery (Male S1) | resident | 84 | 29 | 34.5% |
| 2023 | archery (Male S1) | nonresident | 66 | 16 | 24.2% |
| 2023 | muzzleloader (Male S1) | resident | 44 | 14 | 31.8% |
| 2023 | muzzleloader (Male S1) | nonresident | 30 | 7 | 23.3% |
| 2023 | rifle (Male S2) | resident | 588 | 153 | 26.0% |
| 2023 | rifle (Male S2) | nonresident | 320 | 86 | 26.9% |
| 2023 | rifle (Male S3) | resident | 226 | 56 | 24.8% |
| 2023 | rifle (Male S3) | nonresident | 183 | 13 | 7.1% |
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Get StartedHarvest Data
| Year | Weapon | Hunters | Harvest | Success |
|---|---|---|---|---|
| 2024 | 420 | 333 | 79.0% | |
| 2024 | rifle | 361 | 308 | 85.0% |
| 2024 | archery | 46 | 22 | 48.0% |
| 2024 | muzzleloader | 13 | 3 | 19.0% |
| 2023 | 430 | 367 | 85.0% | |
| 2023 | rifle | 374 | 334 | 89.0% |
| 2023 | archery | 42 | 24 | 57.0% |
| 2023 | muzzleloader | 14 | 8 | 61.0% |
| 2022 | 425 | 362 | 85.0% | |
| 2022 | rifle | 363 | 331 | 91.0% |
| 2022 | archery | 50 | 18 | 37.0% |
| 2022 | muzzleloader | 12 | 12 | 100.0% |
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