In the Adirondacks, where the eastern chipmunk occurs at elevations to 1220 m (4000 ft), it prefers deciduous and mixed forests, and is most abundant in mature (old-growth) hardwoods containing sugar ...

However, if food supplies are good and there’s plenty of cover for hiding, you can have 10 or more chipmunks per acre! Only the eastern chipmunk (Tamias striatus) lives in the Southeast.