Maine is made up of 16 counties. If you’re looking for a quick reference, this page lists all Maine counties in alphabetical order. This guide provides a simple, alphabetical list of all counties in Maine along with brief context on how counties are used across the state.
Below is the complete list of all Maine counties in alphabetical order:
Each county has a designated county seat, which typically serves as the center for courts and administrative offices.
Maine counties vary significantly in both size and population.
Largest county by land area: Aroostook County
Smallest county by land area: Sagadahoc County
Most populated county: Cumberland County
This variation reflects Maine’s diverse landscape, which includes coastal regions, forests, farmland, and sparsely populated rural areas.
An alphabetical county list is useful for:
Finding counties quickly on maps
Understanding census and population data
School and academic projects
Travel and regional planning
Government and administrative reference
County lists are often used together with county maps to give a clearer picture of geographic boundaries and relationships.
Want to view these counties on a map with boundaries, major cities, and printable downloads? Visit the complete guide here:
Maine County Map (16 Counties) – Cities, Populations, and PDF Download
How many counties are in Maine?
Maine has 16 counties.
What is the largest county in Maine?
Aroostook County is the largest county by land area.
What is the most populated county in Maine?
Cumberland County is the most populated county in Maine.
