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Home » USA County Maps » Maine County Map with Cities and Towns [ME, US]

Maine County Map with Cities and Towns [ME, US]

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    Maine County Map with Cities and Towns [ME, US]

    Maine County Map

    Map of Maine showing all 16 counties with county boundaries
    Maine has 16 counties. The table separates land area, water area, and total area so measurements from different sources are not treated as equivalent.

    Maine is divided into 16 counties, each with a designated county seat. The county seats and establishment years in the table follow Maine state information. Area measurements use the U.S. Census Bureau’s 2025 Gazetteer county file and are rounded to the nearest tenth of a square mile.

    Aroostook County seat: Houlton is the county seat of Aroostook County. Caribou and Presque Isle are important cities within the county but are not the county seat.

    Maine Counties, County Seats, and Area Measurements

    County County Seat Established Land Area Water Area Total Area Area Source Year Major Cities and Towns
    Androscoggin Auburn 1854 468.0 sq mi 29.2 sq mi 497.1 sq mi 2025 Auburn, Lewiston, Lisbon
    Aroostook Houlton 1839 6,671.2 sq mi 156.3 sq mi 6,827.5 sq mi 2025 Caribou, Presque Isle, Houlton, Fort Kent
    Cumberland Portland 1760 836.2 sq mi 381.2 sq mi 1,217.5 sq mi 2025 Portland, South Portland, Westbrook
    Franklin Farmington 1838 1,697.0 sq mi 46.8 sq mi 1,743.8 sq mi 2025 Farmington, Jay, Wilton
    Hancock Ellsworth 1789 1,587.2 sq mi 757.7 sq mi 2,344.9 sq mi 2025 Ellsworth, Bar Harbor, Blue Hill
    Kennebec Augusta 1799 867.5 sq mi 83.7 sq mi 951.2 sq mi 2025 Augusta, Waterville, Gardiner
    Knox Rockland 1860 364.9 sq mi 767.4 sq mi 1,132.3 sq mi 2025 Rockland, Camden, Thomaston
    Lincoln Wiscasset 1760 455.9 sq mi 243.7 sq mi 699.6 sq mi 2025 Wiscasset, Boothbay Harbor, Damariscotta, Waldoboro
    Oxford Paris 1805 2,077.0 sq mi 98.8 sq mi 2,175.8 sq mi 2025 Norway, Bethel, Oxford, Paris
    Penobscot Bangor 1816 3,397.2 sq mi 159.9 sq mi 3,557.0 sq mi 2025 Bangor, Old Town, Brewer
    Piscataquis Dover-Foxcroft 1838 3,960.8 sq mi 417.2 sq mi 4,378.0 sq mi 2025 Dover-Foxcroft, Guilford, Milo, Greenville
    Sagadahoc Bath 1854 254.0 sq mi 116.1 sq mi 370.0 sq mi 2025 Bath, Topsham, Richmond
    Somerset Skowhegan 1809 3,924.3 sq mi 169.1 sq mi 4,093.4 sq mi 2025 Skowhegan, Madison, Norridgewock
    Waldo Belfast 1827 730.2 sq mi 134.2 sq mi 864.4 sq mi 2025 Belfast, Searsport, Liberty
    Washington Machias 1789 2,562.7 sq mi 694.8 sq mi 3,257.6 sq mi 2025 Machias, Eastport, Calais
    York Alfred 1636 991.2 sq mi 278.5 sq mi 1,269.7 sq mi 2025 Biddeford, Sanford, York, Alfred
    Area definitions: Land area and water area are separate Census measurements. Total area is the sum of those two values. Water area may include inland water, coastal water, and territorial water assigned to a county. This is why total-area figures for coastal counties such as Knox, Hancock, Cumberland, and Washington can be much larger than their land-area figures.

    About Maine

    Maine occupies the northeastern corner of the United States and borders New Hampshire, Quebec, New Brunswick, and the Atlantic Ocean. Its 16 counties include densely settled coastal areas, inland lake districts, forested northern territory, and communities along the Canadian border.

    Geography and Natural Areas

    Maine contains an irregular Atlantic coastline, offshore islands, large forest areas, rivers, and thousands of lakes and ponds. Acadia National Park lies primarily in Hancock County, while the Allagash Wilderness Waterway crosses northern Maine, including parts of Aroostook and Piscataquis counties.

    Economy and Industry

    Forestry, paper production, shipbuilding, fishing, agriculture, tourism, health services, and manufacturing have all shaped Maine’s economy. Coastal counties support commercial fishing and marine activity, while interior and northern counties contain extensive forest and agricultural land.

    Cultural Heritage

    Maine’s county geography reflects coastal settlement, river corridors, former colonial boundaries, and later expansion into inland and northern territory. County names remain common in court administration, property records, emergency services, regional organizations, and statistical reporting.

    Maine County Size Patterns

    Aroostook County is Maine’s largest county by land area at about 6,671.2 square miles in the 2025 Census Gazetteer file. Sagadahoc County is the smallest by land area at about 254.0 square miles. Coastal counties may rank differently when total area is used because their measurements include assigned water territory.

    Data Sources

    Frequently Asked Questions

    How many counties does Maine have?

    Maine has 16 counties.

    What is the county seat of Aroostook County?

    Houlton is the county seat of Aroostook County. Caribou and Presque Isle are cities within the county but are not the county seat.

    What is the largest county in Maine?

    Aroostook County is the largest by land area, with about 6,671.2 square miles of land in the 2025 Census Gazetteer file.

    Why do Maine county area figures differ by source?

    Some sources report land area, while others report total area or use measurements from a different geographic year. Coastal water can create a large difference between land area and total area.