Feral Hog Population Map Highlights Growing Threat Across the Contiguous United States

Wild hogs in us map. Pig (feral), wild boar at large (sus scrofa (feral) linnaeus). feral pig map canadian wild pig research project cwprg current map
us feral hog population map

The latest distribution map of feral hogs in the contiguous United States shows a dramatic expansion of the invasive species across nearly every state. Data compiled from multiple state wildlife agencies indicate that the population has grown by more than 50% over the past decade, with new infestations appearing in the Midwest, Southeast, and Pacific Northwest. The spread is not random; it follows major transportation corridors and agricultural zones that provide abundant forage and cover. This rapid proliferation raises significant concerns for crop producers, forest managers, and ecosystems vulnerable to habitat degradation.

Current Distribution of Wild Pigs

Mapping efforts reveal that feral hogs now occupy a contiguous swath stretching from the eastern seaboard to the western states. The map highlights cumulative presence over the last 20 years, illustrating how the species has filled gaps between previously isolated populations. States such as Texas, Georgia, and Oregon now report high density hotspots, while new incursions have been documented in Nebraska and Washington. The visualization underscores the importance of coordinated regional management efforts to curb further expansion.

Map illustrating cumulative spread of wild pigs across the contiguous United States

Key States Driving Long‑Distance Movements

Analysis of movement data indicates that certain states serve as hubs for long‑distance relocations of feral hogs. These “key states,” including Tennessee, Louisiana, and Colorado, act as launch points for translocation events that extend the species’ reach into neighboring regions. The movements are often linked to legal hunting releases, accidental escapes from captivity, and intentional translocation for pest control. Photographs of hogs in transit illustrate the scale of these movements, showing how the animals are being moved by road and rail networks, thereby bypassing natural barriers.

Photo of feral hogs in transit from key states

Implications for Agriculture and Ecosystems

The expanding feral hog population poses multifaceted risks to the agricultural sector, including crop loss, soil compaction, and damage to irrigation infrastructure. In addition, hogs predate on native wildlife, disrupt seed dispersal patterns, and increase the spread of pathogens such as swine influenza and pseudorabies. Management costs are rising, with states reporting billions in damage repairs and control program expenditures. Effective mitigation requires a combination of targeted culling, public education, and stricter biosecurity measures to prevent further introduction and spread.