Bonneville County is located on the eastern border of Idaho. This well known county is named after Benjamin Bonneville (1796-1878), a French-born explorer of the West. The county seat of Bonneville County is Idaho Falls. The county's area is about 1869 square miles. Founded in 1911, today Bonneville County is home to 128 thousand residents. This map shows the borders of Bonneville County as well as neighboring counties, including major highways and natural objecsts as of 2025. Zoom in or out of the map using the plus/minus panel. Move the center of this map by dragging it. Also check out the satellite map of Bonneville County.
The borders of Bonneville County over the map of Idaho
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