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ColoradoMule Deer

CO Mule Deer Unit 90

Total Acres
239,317
Public Land
7%
Elevation
3,447–4,452 ft

Season Dates

YearWeaponDatesTag TypeSex
2026Archery — DE087O2X-Oct 1, 2026Oct 23, 2026either
2026Muzzleloader — DE087O2X-Oct 10, 2026Oct 18, 2026either
2026Rifle — DF-090-O-1-ROct 24, 2026Nov 3, 2026female
2026Rifle — DM-090-O-1-ROct 24, 2026Nov 3, 2026male
2026Rifle — DE087O2X-Oct 24, 2026Nov 3, 2026either
2026Rifle — DF-090-L-1-RDec 1, 2026Dec 14, 2026female
2026Rifle — DM-090-L-1-RDec 1, 2026Dec 14, 2026male

Trophy Data

B&C Entries
12
Avg Score
191.3
Top Score
265.9
Recent (5yr)
2

Herd Data

Buck : Doe

36per 100

2024 Survey

Population Est.

1,820

2024 Survey

AI Scout Analysis

# CO 90 Tactical Analysis **Terrain & Access** CO 90 spans 3,450–4,450 ft elevation with minimal public land (7%), making this a heavily privatized unit. Expect low-elevation foothill and semi-open country typical of northeastern Colorado. Access is limited; most hunting will require permission or lease land. **Herd Quality** The 2024 wildlife survey shows an above-average buck:doe ratio of 36:100, indicating decent age structure and reasonable breeding potential. This is a positive signal for...

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Tag Quotas & Applicant Volume

YearWeaponResidencyApplicantsTags issued
11 recent records available — Sign up to see current data
2023Rifle (Female S1)resident718
2023Rifle (Female S1)resident313
2023Rifle (Male S1)resident2714
2023Rifle (Male S1)resident2610
2023Rifle (Male S1)nonresident40

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Harvest Data

YearWeaponHuntersHarvestSuccess
7 recent records available — Sign up to see current harvest data
2023762837.0%
2023Rifle622337.0%
2023Archery7450.0%
2023Muzzleloader7231.0%