Arizona Unit 37A Mule Deer Hunting Guide

Arizona Unit 37A sits among the state's more heavily-applied-for mule deer units, spanning 1,071,865 acres with elevations ranging from 1,416 to 4,635 feet. For hunters researching this unit, the combination of 72% public land access and a multi-year harvest track record makes it a unit worth serious consideration — provided expectations are calibrated to what the data actually shows rather than what forum chatter suggests.

This is low-desert country by elevation profile, and that terrain signature shapes everything about how the unit hunts, how deer distribute across the landscape, and how hunters need to approach scouting and access planning. Unlike high-country mule deer units in central or northern Arizona, 37A's elevation band points to classic desert mule deer habitat — a different animal and a different hunting style than mountain units.

With 72% of the unit in public ownership, DIY hunters have a legitimate footprint to work with here. That's a meaningful number in Arizona, where plenty of units are hamstrung by heavy private or tribal land locks. Combined with zero percent wilderness designation, access roads and cross-country travel are less restricted than in units carrying wilderness overlays — there are no special access limitations tied to wilderness status to plan around in 37A.

Harvest Success Rates

HuntPilot's harvest data for Unit 37A covers four recent seasons, and the trend line is worth understanding before applying:

• 2025: 299 hunters, 97 harvested, 32% success
• 2024: 254 hunters, 100 harvested, 39% success
• 2023: 297 hunters, 80 harvested, 27% success
• 2022: 311 hunters, 76 harvested, 24% success

Success rates have bounced between 24% and 39% over this four-year window, with 2024 standing out as the strongest year despite fielding the fewest hunters of the four seasons. That inverse relationship — fewer hunters, higher success — is a pattern worth noting. The 2025 season saw hunter numbers climb back toward 2023 levels (299 vs. 297) while success dropped to 32%, suggesting the unit's carrying capacity for hunter pressure has a ceiling before success rates start compressing.

Overall, hunters applying to 37A should plan around a success rate in the high-20s to high-30s percentage range based on recent history, not a guaranteed fill. This isn't a slam-dunk unit, but it isn't a lottery-ticket unit either — it sits in a middle tier where preparation, scouting, and time afield matter.

Trophy Quality

Trophy records tied to the counties overlapping Unit 37A show a limited history of entries. This doesn't mean big deer don't exist here — it means the documented record-book pedigree for this area is thin compared to Arizona's marquee trophy units. Hunters chasing a wall-hanger buck as the primary objective should treat 37A as a unit with limited trophy potential based on available data, not a unit with a proven track record of producing elite-class bucks.

That said, trophy potential and hunt quality aren't the same thing. A unit can offer a solid, huntable population and reasonable success odds while still lacking a deep trophy résumé. For hunters prioritizing tag-filling opportunity and time in the field over chasing a record-book entry, 37A's harvest numbers are more relevant than its trophy history.

Herd Health & Population Trends

HuntPilot's wildlife survey data for Unit 37A covers two survey years between 2023 and 2025, drawing from four individual surveys. The average buck:doe ratio comes in at 40:100, with an average of 107 animals observed per survey.

A 40:100 buck:doe ratio is within a biologically normal range for desert mule deer herds and doesn't raise any red flags for small-sample distortion — this is a credible, trend-worthy number rather than a statistical outlier. It suggests a herd with a reasonable buck component relative to does, which generally correlates with the moderate harvest success rates the unit has posted in recent years. The observed-animals-per-survey figure of 107 gives a sense of survey density but should be read as a survey-effort metric rather than a total population estimate.

Taken together, the herd data doesn't point to a booming population or a herd in decline based on the two years captured — it reads as a stable, moderate-density desert mule deer herd consistent with the harvest trends above.

Access & Terrain

Unit 37A's 1,071,865 acres carry an elevation range of 1,416 to 4,635 feet — low-desert to mid-elevation terrain. This elevation band typically translates to classic Sonoran or Mohave desert scrub and broken foothill country rather than timbered mountain habitat, though hunters should verify specific vegetation zones through on-the-ground scouting or mapping tools rather than assuming uniform terrain across such a large unit.

Public land accounts for 72% of the unit, which is a strong number for Arizona and gives DIY hunters a real base of operations without needing to negotiate private-land access for the bulk of their hunt. With 0% wilderness designation, there are no wilderness-specific access restrictions to navigate — motorized access on established routes is generally more available here than in units carrying heavy wilderness cover, though hunters should always confirm current road status before a trip.

Given the size of the unit — over a million acres — scouting strategy matters more than raw access percentage. Hunters should use HuntPilot's public land mapping overlays to identify the specific blocks of public ground within 37A's boundary, cross-reference elevation bands where deer are likely concentrating given the time of year, and identify water sources, which are often the single most productive scouting anchor in low-desert mule deer country. Glassing from elevated points overlooking basins and drainages near reliable water is a foundational strategy in this terrain type.

HuntPilot Analysis: Is Unit 37A Worth Applying For?

Based on the data, Unit 37A earns a qualified yes for hunters prioritizing opportunity and access over trophy potential. Here's the reasoning:

In favor of applying:

• 72% public land gives DIY hunters real room to operate
• Zero wilderness designation means no guide requirements or wilderness-specific access hurdles
• Harvest success has ranged from 24% to 39% over four years — a workable range for a hunter willing to put in scouting time
• Herd survey data shows a stable buck:doe ratio without red flags
• The unit is large enough (over one million acres) to spread out hunting pressure and find less-pressured pockets of public ground

Reasons for caution:

• Trophy history for the surrounding counties is limited — hunters chasing a record-class buck should look elsewhere or treat any trophy buck taken here as a bonus rather than an expectation
• Success rates dipped as low as 24% in 2022, meaning some years require more effort than others
• Tag quota trends show volatility — Hunt 1064 swung from 175 tags in 2023 down to 150 in 2024, then back up to 175 in 2025 (a 17% increase year-over-year), while Hunt 1065 was cut from 175 to 150 tags (a 14% reduction) between 2023 and 2024. This kind of quota movement means hunters should check current-year tag numbers on HuntPilot's Arizona pages rather than assuming stability

Bottom line: Unit 37A is a solid choice for hunters who want a legitimate desert mule deer hunt with real public land access and a track record of filling tags roughly a third of the time, but it should not be the top pick for hunters whose primary goal is a trophy-class buck. For meat-in-the-freezer and boots-on-the-ground opportunity, the data supports application.

How to Apply

Note that both resident and nonresident applicants must hold a qualifying license before applying — this license fee is separate from and in addition to the application fee and tag fee. Budget for all three costs when planning an application.

Application dates and fees change every draw cycle. For the current deadlines, fees, and draw odds, see HuntPilot's Arizona page at /states/az.

Frequently Asked Questions

What is the terrain like in Arizona Unit 37A? Unit 37A spans elevations from 1,416 to 4,635 feet across 1,071,865 acres, indicating low-desert to mid-elevation terrain typical of southwestern Arizona's desert mule deer range. With 0% wilderness designation, the unit lacks the rugged high-country wilderness terrain found in some other Arizona units — expect broken desert foothills and basin country rather than timbered mountains. Hunters should use mapping tools to identify specific drainages, water sources, and elevation bands before scouting in person.

What is harvest success in Unit 37A? Harvest success has ranged between 24% and 39% over the four most recent seasons on record. The 2024 season posted the highest success rate at 39% (100 of 254 hunters), while 2022 was the lowest at 24% (76 of 311 hunters). Hunters should plan for a realistic success expectation in the high-20s to high-30s percentage range rather than assuming a guaranteed tag fill.

How big are the mule deer in Unit 37A? Trophy records for the counties overlapping Unit 37A show a limited history of entries, meaning this unit does not carry a strong documented trophy pedigree compared to some of Arizona's premier mule deer units. Hunters can still encounter quality bucks, but 37A should be approached as an opportunity-and-access unit rather than a trophy-hunting destination based on available data.

Is Unit 37A worth applying for? Yes, for hunters prioritizing access and reasonable success odds. With 72% public land, no wilderness restrictions, and harvest success rates that have stayed in a workable 24-39% range over four years, the unit offers a legitimate DIY hunting opportunity. It's a weaker choice for hunters whose primary goal is a trophy-class buck, given the limited trophy history in the surrounding counties. Check HuntPilot's unit page for current draw odds before applying.

What should hunters know about tag quotas in Unit 37A before applying? Tag quotas here have shown real year-over-year movement rather than staying flat. Hunt 1064 tags increased from 150 in 2024 to 175 in 2025 (a 17% jump), while Hunt 1065 tags were cut from 175 in 2023 to 150 in 2024 (a 14% reduction). Because these two hunt types move independently and quotas can shift meaningfully between years, hunters should verify current-year quota numbers on HuntPilot before finalizing an application strategy rather than relying on prior-year figures.