Property research by county
Maine county reference
16 counties and county equivalents in Maine. Search names or FIPS codes, compare Census geography and keep the original sources with your work.
- Androscoggin County
Maine · FIPS 23001
116,487 residents · 2025 estimate
- Aroostook County
Maine · FIPS 23003
66,609 residents · 2025 estimate
- Cumberland County
Maine · FIPS 23005
317,222 residents · 2025 estimate
- Franklin County
Maine · FIPS 23007
30,824 residents · 2025 estimate
- Hancock County
Maine · FIPS 23009
57,171 residents · 2025 estimate
- Kennebec County
Maine · FIPS 23011
129,067 residents · 2025 estimate
- Knox County
Maine · FIPS 23013
41,117 residents · 2025 estimate
- Lincoln County
Maine · FIPS 23015
36,595 residents · 2025 estimate
- Oxford County
Maine · FIPS 23017
60,346 residents · 2025 estimate
- Penobscot County
Maine · FIPS 23019
157,967 residents · 2025 estimate
- Piscataquis County
Maine · FIPS 23021
17,409 residents · 2025 estimate
- Sagadahoc County
Maine · FIPS 23023
37,979 residents · 2025 estimate
- Somerset County
Maine · FIPS 23025
51,620 residents · 2025 estimate
- Waldo County
Maine · FIPS 23027
40,693 residents · 2025 estimate
- Washington County
Maine · FIPS 23029
31,334 residents · 2025 estimate
- York County
Maine · FIPS 23031
222,434 residents · 2025 estimate
Use the county data
Use the county name and FIPS code to identify the correct jurisdiction before collecting parcel, assessor, recorder or court information. Compare this national reference with the separate property-data coverage directory.
National geographic coverage does not mean that parcel records or probate feeds are connected for every county.
Geography: 2025 U.S. Census Gazetteer. Population: Vintage 2025 estimates, July 1, 2025. County equivalents include parishes, boroughs, independent cities and planning regions. Puerto Rico population is not supplied by this population file.