Which county in Maine has the lowest flood risk?

Androscoggin has the lowest flood risk in Maine, at 25.3.

What is the flood risk in Androscoggin?

Androscoggin is ranked #1 in Maine for flood risk, at 25.3.

What are the top counties in Maine for flood risk?

Androscoggin (25.3), then Somerset (41.4), and Cumberland (51.0). The full top 16 is in the table on this page.

How is this flood risk ranking calculated?

Counties in Maine are ranked by flood risk (FEMA National Risk Index, FEMA NRI v1.20), lowest first. Values describe the county, not an individual property. Source vintage is shown on the page.

How does Maine compare to the rest of the US for flood risk?

This list is Maine only. See the national ranking of the lowest counties for flood risk at hearthmap.app/best/lowest-flood-risk.

Lowest Flood Risk Counties in Maine (2026)

Lowest counties for flood risk in Maine

Top 16 of 16 counties with data.

Ranked by flood risk (FEMA National Risk Index, FEMA NRI v1.20), lowest first.

Lowest counties for flood risk in Maine

Rank	County	Value
01	Androscoggin25.3 County page
02	Somerset41.4 County page
03	Cumberland51.0 County page
04	Penobscot51.2 County page
05	Piscataquis52.1 County page
06	York52.8 County page
07	Kennebec55.7 County page
08	Aroostook55.9 County page
09	Franklin59.5 County page
10	Oxford59.7 County page
11	Knox80.7 County page
12	Waldo81.7 County page
13	Washington85.1 County page
14	Lincoln88.4 County page
15	Hancock89.3 County page
16	Sagadahoc96.2 County page

How this ranking works

This page ranks Maine counties by flood risk, sorted so the lowest places appear first. Click any county to see its housing, schools, crime, and demographics in detail.

For flood risk, a lower value is generally more favorable, so the top of the list is the lowest. Want to weigh flood risk against schools, taxes, commute, and more at once? Use the live map to build a custom match.

Data comes from public sources. Source attribution and the exact data vintage are shown above and on the full map of flood risk.

Frequently asked questions

Which county in Maine has the lowest flood risk?: Androscoggin has the lowest flood risk in Maine, at 25.3.
What is the flood risk in Androscoggin?: Androscoggin is ranked #1 in Maine for flood risk, at 25.3.
What are the top counties in Maine for flood risk?: Androscoggin (25.3), then Somerset (41.4), and Cumberland (51.0). The full top 16 is in the table on this page.
How is this flood risk ranking calculated?: Counties in Maine are ranked by flood risk (FEMA National Risk Index, FEMA NRI v1.20), lowest first. Values describe the county, not an individual property. Source vintage is shown on the page.
How does Maine compare to the rest of the US for flood risk?: This list is Maine only. See the national ranking of the lowest counties for flood risk at hearthmap.app/best/lowest-flood-risk.