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ColoradoMule Deer

CO Mule Deer Unit 66

Total Acres
575,448
Public Land
84%
Wilderness
18%
Elevation
7,158–14,274 ft

Season Dates

YearWeaponDatesTag TypeSex
2026Archery — DM-066-O-1-ASep 2, 2026Sep 30, 2026male
2026Muzzleloader — DM-066-O-1-MSep 12, 2026Sep 20, 2026male
2026Rifle — DM-066-O-2-ROct 24, 2026Nov 1, 2026male
2026Rifle — DM-066-O-4-RNov 18, 2026Nov 22, 2026male
2026Rifle — DM-066-O-3-RNov 7, 2026Nov 15, 2026male
2026Rifle — DF-066-O-3-RNov 7, 2026Nov 15, 2026female
2026Rifle — DF-066-O-2-ROct 24, 2026Nov 1, 2026female

Trophy Data

B&C Entries
65
Avg Score
202.4
Top Score
289.1
Recent (5yr)
1

Herd Data

Buck : Doe

37per 100

2024 Survey

Population Est.

16,360

2024 Survey

AI Scout Analysis

# CO 66 Tactical Analysis ## Terrain & Access Unit 66 spans 7,158–14,274 ft with 84% public land and 18% wilderness, offering high-elevation mule deer habitat across diverse terrain. The substantial public land base supports DIY hunts, though wilderness restrictions may limit road access in portions of the unit. ## Herd Quality The 2024 wildlife survey shows a 37:100 buck:doe ratio, indicating **above-average herd composition**. This suggests reasonable mature buck availability, though hunter...

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Tag Quotas & Applicant Volume

YearWeaponResidencyApplicantsTags issued
28 recent records available — Sign up to see current data
2023Rifle (Female S2)resident8742
2023Rifle (Female S2)nonresident74
2023Rifle (Female S3)resident4940
2023Rifle (Female S3)nonresident64
2023Archery (Male S1)resident10340
2023Archery (Male S1)nonresident8122
2023Muzzleloader (Male S1)resident8636
2023Muzzleloader (Male S1)nonresident3819
2023Rifle (Male S2)resident344101
2023Rifle (Male S2)nonresident19556
2023Rifle (Male S3)resident21932
2023Rifle (Male S3)nonresident2108
2023Rifle (Male S4)resident20017
2023Rifle (Male S4)nonresident1724

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Harvest Data

YearWeaponHuntersHarvestSuccess
11 recent records available — Sign up to see current harvest data
202351133766.0%
2023Rifle38428574.0%
2023Archery732535.0%
2023Muzzleloader542749.0%