Maine County Maps

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Cumberland County, Maine

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Cumberland County, Maine Map

A detailed map of Cumberland County. Click on a nearby County to view more information about that County. County boundaries are from the U.S. Census Bureau's 2025 TIGER/Line files.

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Map of Towns in Cumberland County, Maine

An interactive map of county subdivisions in Cumberland County. In Maine, that can include Towns, Gores, Plantations, UTs, and Reservations. Boundaries are from the U.S. Census Bureau's 2024 TIGER/Line files. Find what town you are in now.

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Map of Counties in Maine

An interactive map of Counties in Maine. Click on a County to view more information about that County. County boundaries are from the U.S. Census Bureau's 2025 TIGER/Line files.

About Cumberland County, Maine

Cumberland County is a county in the U.S. state of Maine. As of the 2020 census, the population was 303,069, making it the most populous county in Maine. Its county seat is Portland. Cumberland County was founded in 1760 from a portion of York County, Province of Massachusetts Bay, and named for William, Duke of Cumberland, a son of King George II. Cumberland County has the deepest and second-largest body of water in the state, Sebago Lake, which supplies tap water to most of the county. The county is the state's economic and industrial center, having the resources of the Port of Portland, the Maine Mall, and having corporate headquarters of major companies such as onsemi, IDEXX Laboratories, Unum, and TD Bank. Cumberland County is part of the Portland-South Portland-Biddeford metropolitan area.

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This site has an interactive map of Maine Counties. Click on the map to find your Maine county, and view more details. You can also search for your address and use your GPS to find your Maine County.

Find what County you are in, and see official Maine County resources and information. Find any county in the United States, along with resources and links to official County websites. See a County map and local details. Looking for what county you are currently in? Find out on this map or use your device GPS to see what county you are in.

About this data

State and county boundaries
TIGER/Line Shapefiles: States, Counties and ZIP Code Tabulation Areas (2025), U.S. Census Bureau. Boundaries of states, counties and ZIP Code Tabulation Areas, the Census Bureau's areas for ZIP codes. Updated
County subdivision boundaries
TIGER/Line Shapefiles: County Subdivisions and Places (2024), U.S. Census Bureau. Boundaries of towns, townships, cities and villages. Updated
County list
Cartographic Boundary Files: Counties (2024), U.S. Census Bureau. County names and extents, with Wikipedia links from Wikidata. Updated