State Legislative Maps

Congressional District Boundaries, 2022-2030 Elections

• PDF Map
• Interactive Map
• Shapefile
• Block Equivalency File (.csv)
• Block Equivalency File (.xlsx)

Prior Congressional District Boundaries

• 1980s Congressional Districts with 2020 Census Population
• Montana Congressional Districts, 1984 – 1990
• Montana Congressional Districts, 1972 – 1982
• Montana Congressional Districts, 1966 – 1970
• Montana Congressional Districts, 1918 – 1964

State Legislative District Boundaries (2014-2022 Elections)

• House District Deviations from 2020 Ideal Population
• House District Deviations from Ideal Table
• Legislator Lookup Map
• Links to 2009-2013 Commission Maps
• Poster-sized Map (large pdf for printing)