Our Communities

The State of Maine is made up of 16 counties. In this section, users can explore health improvement rankings at the county level.

  • Androscoggin County lies in the midst of the southwestern section of Maine and hosts two of Maine’s largest cities, Lewiston and Auburn. Centrally located, Lewiston/Auburn is less than one hour from the mountains, the seacoast, Portland, Augusta, and Freeport.  

    • Total Area: 497 square miles

    • Population (2010 census): 107,702

    • Population Density: 229 people per square mile

    • Public Health District: Western - District 3

  • Aroostook County borders the Canadian provinces of Quebec and New Brunswick. It is geographically the largest U.S. County east of the Mississippi and, in fact, is larger than the States of Rhode Island and Connecticut combined.

    • Total Area: 6,829 square miles

    • Population (2010 census): 71,870

    • Population Density: 11 people per square mile

    • Public Health District: Aroostook – District 8

  • Carroll County is a county located in the U.S. state of New Hampshire. The county was created in 1840 and organized at Ossipee from towns removed from Strafford County. It was named in honor of Charles Carroll of Carrollton, who had died in 1832, the last surviving signer of the United States Declaration of Independence.

    • Total Area: 992 square miles

    • Population (2010 census): 47,818

    • Population Density: 52 people per square mile

  • Cumberland County is Maine’s most densely populated county. The historic seaport of Portland, Maine’s largest urban area, is perched on Casco Bay with its many island and coastal communities. The county is also comprised of two other cities, South Portland and Westbrook, and twenty-five towns.

    • Total Area: 1,217 square miles

    • Population (2010 census): 281,401

    • Population Density: 337 people per square mile

    • Public Health District: Cumberland – District 2

  • Franklin County, with its spectacular mountain ranges, hundreds of glacial lakes and diverse communities, draws outdoor adventurers, wildlife watchers, foliage lovers and history buffs alike.

    • Total Area: 1,744 square miles

    • Population (2010 census): 30,768

    • Population Density: 18 people per square mile

    • Public Health District: Western – District 3

  • Hancock County, stretched along Maine’s coast, includes Mount Desert Island, the home of Acadia National Park, as well as the county seat of Ellsworth.

    • Total Area: 2,351 square miles

    • Population (2010 census): 54,418

    • Population Density: 34 people per square mile

    • Public Health District: Downeast – District 7

  • Kennebec County is situated in south-central Maine and is home to the State capitol, Augusta, which lies along the banks of the Kennebec River.

    • Total Area: 951 square miles

    • Population (2010 census): 122,151

    • Population Density: 141 people per square mile

    • Public Health District: Central – District 5

  • Knox County is situated on the southeastern corner of Penobscot Bay and includes islands south of Islesboro and west of Isle au Haut Bay. The county seat, Rockland, is also one of the biggest shipping centers of lobster in the world.

    • Total Area: 1,142 square miles

    • Population (2010 census): 39,376

    • Population Density: 108 people per square mile

    • Public Health District: Midcoast – District 4

  • Lincoln County is located in the mid-coast region of the State of Maine and includes 451 miles of coast and six rivers as well as remote Monhegan Island, located 12 miles from the mainland.

    • Total Area: 700 square miles

    • Population (2010 census): 34,457

    • Population Density: 75 people per square mile

    • Public Health District: Midcoast – District 4

     

  • Oxford County, located in western Maine near the White Mountains, consists of small and geographically isolated rural communities, surrounded by mountains, hills, rivers, and lakes.

    • Total Area: 2,175 square miles

    • Population (2010 census): 57,883

    • Population Density: 28 people per square mile

    • Public Health District: Western – District 3

  • Penobscot County is home to the largest metropolitan area north of Portland. It boasts the scenic beauty of its countryside with the urban living of its center of population and home to the county seat, the City of Bangor.

    • Total Area: 3,556 square miles

    • Population (2010 census): 153,923

    • Population Density: 43 people per square mile

    • Public Health District: Penquis – District 6

  • Piscataquis County is Maine’s least populous county and is located in central Maine, containing seventeen towns, two organized plantations, and twenty-eight unorganized townships.

    • Total Area: 4,377 square miles

    • Population (2010 census): 17,535

    • Population Density: 4 people per square mile

    • Public Health District: Penquis – District 6

  • Sagadahoc County, the smallest county in Maine, is situated upon the lower portions of the Kennebec and Androscoggin rivers and contains the City of Bath and ten towns.

    • Total Area: 370 square miles

    • Population (2010 census): 35,293

    • Population Density: 139 people per square mile

    • Public Health District: Midcoast – District 4

  • Somerset County is the 3rd largest county in the State of Maine in geographic land area, but only contains the 9th largest in population. It is the gateway to the mountains, lakes, rivers, and forests of western Maine.

    • Total Area: 4,095 square miles

    • Population (2010 census): 52,228

    • Population Density: 13 people per square mile

    • Public Health District: Central – District 5

  • Waldo County, located in mid-coast Maine is comprised the City of Belfast, 25 towns and many rural villages, as well as lakes, mountains, and beautiful peninsulas.

    • Total Area: 852 square miles

    • Population (2010 census): 38,786

    • Population Density: 53 people per square mile

    • Public Health District: Midcoast – District 4

  • Washington County is sometimes referred to as the "Sunrise County" because it is the easternmost county in the United States. Its annual blueberry crop, small-scale fishing, and tourism help support this very rural county.

    • Total Area: 3,254 square miles

    • Population (2010 census): 32,856

    • Population Density: 13 people per square mile

    • Public Health District: Downeast – District 7

  • York County covers the southernmost region of the State of Maine and spans coastal and inland rural communities.

    • Total Area: 1,271 square miles

    • Population (2010 census): 197,131

    • Population Density: 199 people per square mile

    • Public Health District: York – District 1