8 U.S. States With Largest Wild Mustang Population

Written By

Mathew Abraham

Updated on

Mathew Abraham

Meet Mathew, Cat Dad and Animal Advocate! Mathew is the editor at PawDown, overseeing content strategy and quality. He's in charge of carefully curating the best pet stories, tips, and advice for you.

A cowboy riding a Mustang
Umay Karataş/Pexels

The sight of wild Mustangs galloping across the open plains evokes a sense of freedom and untamed beauty unlike anything else. These iconic symbols of the American West have thrived in the vast wilderness of certain U.S. states, each offering a unique landscape that supports these resilient herds. From Nevada’s sprawling deserts to Montana’s rugged mountains, these states harbor the largest Mustang populations, showcasing the spirit of the wild in all its glory. Let’s explore where these majestic creatures roam free.

Nevada

Horses grazing Nevada
Roberto Lee Cortes?pexels

Nevada is the epicenter of wild Mustang populations, hosting over 40,000 of these iconic horses. With more than 20 Herd Management Areas (HMAs) covering millions of acres, Nevada provides vast and diverse habitats, from arid deserts to rugged mountain terrains. These spaces allow the Mustangs to roam freely, embodying the untamed spirit of the West. The state’s dry climate and open rangelands are ideal for these hardy animals, which often share their habitat with burros and other wild breeds. The Sand Wash Basin is a particularly famous area, attracting wildlife enthusiasts eager to see Mustangs in their natural environment.

Wyoming

Wild horses in Wyoming
Frida Oquendo/Pexels

Wyoming supports approximately 5000 Mustangs, spread across HMAs like the Red Desert Complex and the Green River Basin. These landscapes feature rolling plains, sagebrush steppes, and mountainous backdrops, providing ample grazing opportunities. However, Wyoming’s harsh winters test the resilience of these animals, shaping strong and adaptive herds. The state’s efforts to manage herd sizes balance the needs of the Mustangs with the demands of the local ecosystem. This has made Wyoming a key player in the conservation of wild horses, which remain integral to the state’s cultural heritage.

Utah

Wild Mustang Grazing in Utah
Michael Claflin/Pexels

Utah’s wild Mustang population, numbering about 3,500, thrives in its unique and varied terrains, from deserts to alpine forests. The Onaqui herd, one of the most famous in the U.S., is celebrated for its beauty and accessibility, drawing photographers and tourists alike. Utah’s climate and natural resources make it a fitting home for these Mustangs, which coexist with other wildlife. Local conservation efforts have ensured the preservation of their habitats, making Utah a haven for those wishing to witness the majesty of wild horses up close.

California

Wild horses grazing in California
Devyn Breslin/Pexels

California is home to over 2,500 Mustangs, primarily found in the state’s northern and eastern regions. Areas like the Modoc Plateau and Inyo National Forest offer diverse ecosystems that support wild horse populations. California’s temperate climate and abundant forage make it a suitable environment for these animals. Notably, the state has a history of Spanish Mustang influence, seen in the distinct physical traits of some herds. California’s commitment to wildlife protection also extends to its Mustangs, which are emblematic of its rugged and diverse landscapes.

Colorado

White horses grazing in Colorado greenfield
Nick Casale/Pexels

Colorado boasts a population of around 1,800 Mustangs, predominantly in areas like the Piceance-East Douglas HMA. The state’s mountainous terrain and fertile grazing lands provide an ideal home for these animals. Colorado’s herds are actively managed and supported by local advocacy groups dedicated to preserving their rights and habitats. The state’s rich Western legacy is mirrored in its wild horse populations, which continue to thrive in this challenging yet beautiful environment.

Oregon

A Girl in Maroon Long Sleeve Shirt Touching Brown Horse
Lindsey Garrett/Pexels

Oregon is known for its nearly 2000 wild Mustangs, many of which inhabit the Kiger Mustang HMA. These horses are revered for their historical lineage, believed to trace back to Spanish Mustangs brought to the Americas centuries ago. The Kiger Mustang, in particular, is highly prized for its unique dun coat and exceptional temperament. Oregon’s wild horses benefit from the state’s extensive rangelands and committed conservation efforts, which protect their habitats and ensure their populations remain sustainable.

Arizona

Wild horse in dessert
Daniel Torobekov/Pexels

Arizona’s estimated 500 Mustangs, including the beloved Salt River herd, live in some of the most scenic landscapes in the West. From riverbanks to desert plains, these horses adapt remarkably to the state’s arid conditions. The Salt River herd is a point of pride for Arizona, symbolizing the resilience and beauty of wild Mustangs. Their presence in these areas contributes to the ecological balance and provides a living link to the state’s Western history. Conservation groups in Arizona work tirelessly to protect these animals and their habitats, ensuring their survival for future generations.

Montana

Two Saddled Black and Brown Horses
Brett Sayles/Pexels

Montana’s Pryor Mountain Mustangs are among the most iconic in the U.S., known for their striking physical traits and historical significance. Though the population is smaller compared to other states, these horses represent a vital link to America’s colonial past, with many herds showing clear Spanish Mustang ancestry. Montana’s wide-open spaces and natural beauty provide an ideal setting for these wild animals, making them a cherished part of the state’s heritage and a focus for ongoing conservation efforts.

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