Boundaries: U.S. Census Bureau · Population: Vintage 2024 estimates

Montana county map

Montana has 56 counties. Color the ones you've lived in, visited, or passed through, then share your map or download it.

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Pick a category, then click counties. Click again with the same color to clear. Drag to pan, scroll or pinch to zoom.

Every category is yours to change: click its swatch to pick any color, click its name to rename it, and use + Add for up to eight.

Most populous: Yellowstone County, 171,583. Least populous: Petroleum County, 525.

Largest by land area: Beaverhead County, 5,543 square miles.

Montana borders Idaho, North Dakota, South Dakota, and Wyoming.

Populations are Census Bureau estimates for July 1, 2024.

All 56 counties