Maine counties and county equivalents

These are current canonical geography records. Historical boundaries and election reporting units can differ; consult each area's caveats.

• Androscoggin County

  FIPS 23001

• Aroostook County

  FIPS 23003

• Cumberland County

  FIPS 23005

• Franklin County

  FIPS 23007

• Hancock County

  FIPS 23009

• Kennebec County

  FIPS 23011

• Knox County

  FIPS 23013

• Lincoln County

  FIPS 23015

• Oxford County

  FIPS 23017

• Penobscot County

  FIPS 23019

• Piscataquis County

  FIPS 23021

• Sagadahoc County

  FIPS 23023

• Somerset County

  FIPS 23025

• Waldo County

  FIPS 23027

• Washington County

  FIPS 23029

• York County

  FIPS 23031