Maine statistical areas

The U.S. currently has five statistical areas that have been delineated by the Office of Management and Budget (OMB). On July 21, 2023, the OMB delineated one combined statistical area, three metropolitan statistical areas, and one micropolitan statistical area in Maine. As of 2025, the largest of these is the Portland–Lewiston–South Portland, ME CSA, comprising the region around Maine's largest city of Portland.

+The five United States statistical areas and 16 counties of the State of MaineCombined statistical area2025 population (est.)Core-based statistical area2025 population (est.)County2025 population (est.)Portland–Lewiston–South Portland, ME CSA694,122Portland–South Portland, ME MSA577,635Cumberland County, Maine317,222York County, Maine222,434Sagadahoc County, Maine37,979Lewiston–Auburn, ME MSA116,487Androscoggin County, Maine116,487noneBangor, ME MSA157,967Penobscot County, Maine157,967Augusta–Waterville, ME μSA129,607Kennebec County, Maine129,607noneAroostook County, Maine66,609Oxford County, Maine60,346Hancock County, Maine57,171Somerset County, Maine51,620Knox County, Maine41,117Waldo County, Maine40,693Lincoln County, Maine36,595Washington County, Maine31,334Franklin County, Maine30,824Piscataquis County, Maine17,409State of Maine1,414,874

+The four core-based statistical areas of the State of Maine2025 rankCore-based statistical areaPopulation2025 estimateChange2020 CensusChange2010 CensusPortland–South Portland, ME MSABangor, ME MSAAugusta–Waterville, ME μSALewiston–Auburn, ME MSA

+The one combined statistical area of the State of Maine2025 rankCombined statistical areaPopulation2025 estimateChange2020 CensusChange2010 CensusPortland–Lewiston–South Portland, ME CSA

See also

Geography of Maine Demographics of Maine

Notes

References

External links

Office of Management and Budget United States Census Bureau