Map of Maine's counties

This is a list of the sixteen counties in the U.S. state of Maine. Prior to statehood, Maine was officially part of the state of Massachusetts and was called the District of Maine. Maine was granted statehood on March 15, 1820 as part of the Missouri Compromise. Nine of the sixteen counties had their borders defined while Maine was still part of Massachussetts, and hence are older than the state itself. Even after 1820, the exact location of the northern border of Maine was disputed with England, until the question was settled and the northern counties took their final, official form by treaty in 1845. Almost all of Aroostook County was disputed land until the treaty was signed.[1]

No new counties have been created since 1860, when Knox County, Maine and Sagadahoc County, Maine were created. The most populous counties tend to be located in the southeastern portion of the state, along the Atlantic seaboard. The largest counties in terms of land area are inland. Maine's county names derive from a mix of British, American, and Native American sources, reflecting Maine's pre-colonial, colonial, and national heritage.[1]

The Federal Information Processing Standard (FIPS) code, which is used by the United States government to uniquely identify states and counties, is provided with each entry. Maine's code is 23, which when combined with any county code would be written as 23XXX. The FIPS code for each county links to census data for that county.[2]


FIPS Code[3] County Seat
(2000) [6]
Androscoggin County 001 Auburn 1854 From parts of Cumberland County, Kennebec County, and Lincoln County The Androscoggin Native American tribe. &&&&&&&&&0103793.&&&&&0103,793 &&&&&&&&&&&&0497.&&&&&0497 mi²
(1,287 km²)
State map highlighting Androscoggin County
Aroostook County 003 Houlton 1839 From parts of Penobscot County, and Washington County A Native American word meaning beautiful river. &&&&&&&&&&073938.&&&&&073,938 &&&&&&&&&&&06829.&&&&&06,829 sq mi
(&&&&&&&&&&017687.&&&&&017,687 km2)
State map highlighting Aroostook County
Cumberland County 005 Portland 1761 As Cumberland County, Massachusetts from part of York County Prince William Augustus, son of George II of Great Britain. &&&&&&&&&0265612.&&&&&0265,612 &&&&&&&&&&&01217.&&&&&01,217 sq mi
(&&&&&&&&&&&03152.&&&&&03,152 km2)
State map highlighting Cumberland County
Franklin County 007 Farmington 1838 From parts of Kennebec County, Oxford County, and Somerset County Benjamin Franklin, the Founding Father, scientist, printer, and diplomat. &&&&&&&&&&029467.&&&&&029,467 &&&&&&&&&&&01744.&&&&&01,744 sq mi
(&&&&&&&&&&&04517.&&&&&04,517 km2)
State map highlighting Franklin County
Hancock County 009 Ellsworth 1790 As Hancock County, Massachusetts, from part of Lincoln County John Hancock (1737 – 1793), the Founding Father and president of the convention that produced the United States Declaration of Independence. &&&&&&&&&&051791.&&&&&051,791 &&&&&&&&&&&02351.&&&&&02,351 sq mi
(&&&&&&&&&&&06089.&&&&&06,089 km2)
State map highlighting Hancock County
Kennebec County 011 Augusta 1799 As Kennebec County, Massachusetts from part of Lincoln County The Kennebec River in Maine. &&&&&&&&&0117114.&&&&&0117,114 &&&&&&&&&&&&0951.&&&&&0951 sq mi
(&&&&&&&&&&&02463.&&&&&02,463 km2)
State map highlighting Kennebec County
Knox County 013 Rockland 1860 From parts of Lincoln County and Waldo County Henry Knox (1750 – 1806), the first United States Secretary of War (1789 - 1794), who lived in Thomaston. &&&&&&&&&&039618.&&&&&039,618 &&&&&&&&&&&01142.&&&&&01,142 sq mi
(&&&&&&&&&&&02958.&&&&&02,958 km2)
State map highlighting Knox County
Lincoln County 015 Wiscasset 1760 As Lincoln County, Massachusetts from part of York County The city of Lincoln. &&&&&&&&&&033616.&&&&&033,616 &&&&&&&&&&&&0700.&&&&&0700 sq mi
(&&&&&&&&&&&01813.&&&&&01,813 km2)
State map highlighting Lincoln County
Oxford County 017 Paris 1805 As Oxford County, Massachusetts from parts of Cumberland County and York County Probably named for Oxford. &&&&&&&&&&054755.&&&&&054,755 &&&&&&&&&&&02175.&&&&&02,175 sq mi
(&&&&&&&&&&&05633.&&&&&05,633 km2)
State map highlighting Oxford County
Penobscot County 019 Bangor 1816 As Penobscot County, Massachusetts from part of Hancock County The Penobscot Native American tribe. &&&&&&&&&0144919.&&&&&0144,919 &&&&&&&&&&&03556.&&&&&03,556 sq mi
(&&&&&&&&&&&09210.&&&&&09,210 km2)
State map highlighting Penobscot County
Piscataquis County 021 Dover-Foxcroft 1838 From parts of Penobscot County and Somerset County An Abenaki word meaning rapid waters. &&&&&&&&&&017235.&&&&&017,235 &&&&&&&&&&&04377.&&&&&04,377 sq mi
(&&&&&&&&&&011336.&&&&&011,336 km2)
State map highlighting Piscataquis County
Sagadahoc County 023 Bath 1860 From part of Lincoln County A Native American word meaning mouth of big river. &&&&&&&&&&035214.&&&&&035,214 &&&&&&&&&&&&0370.&&&&&0370 sq mi
(&&&&&&&&&&&&0958.&&&&&0958 km2)
State map highlighting Sagadahoc County
Somerset County 025 Skowhegan 1809 As Somerset County, Massachusetts from parts of Kennebec County The county of Somerset in England. &&&&&&&&&&050888.&&&&&050,888 &&&&&&&&&&&04095.&&&&&04,095 sq mi
(&&&&&&&&&&010606.&&&&&010,606 km2)
State map highlighting Somerset County
Waldo County 027 Belfast 1827 From parts of Hancock County, Kennebec County and Lincoln County Samuel Waldo, a colonial soldier in the siege of Louisbourg in 1745. &&&&&&&&&&036280.&&&&&036,280 &&&&&&&&&&&&0853.&&&&&0853 sq mi
(&&&&&&&&&&&02209.&&&&&02,209 km2)
State map highlighting Waldo County
Washington County 029 Machias 1790 As Washington County, Massachusetts from part of Lincoln County George Washington, the first President of the United States. &&&&&&&&&&033941.&&&&&033,941 &&&&&&&&&&&03255.&&&&&03,255 sq mi
(&&&&&&&&&&&08430.&&&&&08,430 km2)
State map highlighting Washington County
York County 031 Alfred 1652 As Yorkshire County, Massachusetts from the southern part of the District of Maine. Renamed York County by Massachusetts in 1668 King James II of England, earlier Duke of York. &&&&&&&&&0186742.&&&&&0186,742 &&&&&&&&&&&01271.&&&&&01,271 sq mi
(&&&&&&&&&&&03292.&&&&&03,292 km2)
State map highlighting York County


  1. ^ a b c Clark, Charles E. (1990). Maine: A History. University Press of New England. ISBN 0874515203. 
  2. ^ "FIPS Publish 6-4". National Institute of Standards and Technology. Retrieved 2007-04-11. 
  3. ^ "EPA County FIPS Code Listing". EPA. Retrieved 2007-04-09. 
  4. ^ a b National Association of Counties. "NACo - Find a county". Retrieved 2007-04-26. 
  5. ^ Beatty, Michael (2001). County Name Origins of the United States. McFarland Press. ISBN 0786410256. 
  6. ^ a b "Maine QuickFacts from the US Census Bureau". State & County QuickFacts. Retrieved 2007-04-18. 

This page uses content from the English language Wikipedia. The original content was at List of counties in Maine. The list of authors can be seen in the page history. As with this Familypedia wiki, the content of Wikipedia is available under the Creative Commons License.

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