Largest Counties in Maine

Rank County Population County Seat Established Area (km2) Density
1 Cumberland County 289,966 Portland 1761 3,152 91.99
2 York County 201,158 Alfred 1652 3,292 61.11
3 Penobscot County 152,681 Bangor 1816 9,210 16.58
4 Kennebec County 119,969 Augusta 1799 2,463 48.71
5 Androscoggin County 107,222 Auburn 1854 1,287 83.31
6 Aroostook County 68,617 Houlton 1839 17,687 3.88
7 Oxford County 57,191 Paris 1805 5,633 10.15
8 Hancock County 54,648 Ellsworth 1790 6,089 8.97
9 Somerset County 51,102 Skowhegan 1809 10,606 4.82
10 Knox County 39,844 Rockland 1860 2,958 13.47
11 Waldo County 39,144 Belfast 1827 2,209 17.72
12 Sagadahoc County 35,138 Bath 1854 958 36.68
13 Lincoln County 33,958 Wiscasset 1760 1,813 18.73
14 Washington County 31,614 Machias 1790 8,430 3.75
15 Franklin County 29,980 Farmington 1838 4,517 6.64
16 Piscataquis County 16,920 Dover Foxcroft 1838 11,336 1.49

Largest Counties in Maine

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