Columbia Falls is a town in Washington County, Maine, home to about 475 people across 25 square miles. Its ZIP code is 04623.
Homes sold for a median of $138 per square foot in the three months ending August 2026, a buyer’s market.
Mostly Columbia Falls; also Columbia and Jonesboro
Each card is that ZIP code’s whole market, including any part outside Columbia Falls. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
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| Nearest major airport | Portland International Jetport (PWM)145 miles away |
|---|---|
| Closer regional airport | Hancock County-Bar Harbor Airport (BHB)34 miles away |
| Nearest city of 250,000+ | Boston, MA230 miles away |
| Nearest city of 1 million+ | New York, NY419 miles away |
Straight-line distances from the center of Columbia Falls; driving is longer.
Source: Airports from OurAirports (scheduled passenger service); city centers and populations from the U.S. Census Bureau.
Source: Members of Congress from the congress-legislators project; districts from the Census Bureau’s relationship files; governor and mayor from Wikidata.
Columbia Falls had 476 residents in the 2020 census, down 21% since 2000.
It’s the 380th largest of 519 towns in Maine by population.
Washington County grew from 45,232 residents in 1900 to 31,095 in 2020.
Washington County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 76°F in summer, and winter lows average 9°F. About 50.9 inches of rain and melted snow fall in a typical year.
Source: NOAA 1991–2020 climate normals, Jonesboro, ME weather station (5 miles away).
7,475 jobs at 845 businesses in Washington County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
1 doctors and other health care providers list an office in Columbia Falls.
Nearest hospitals
Providers with an office here
| Physical and occupational therapists | 1 |
|---|
Source: Hospitals from CMS Hospital General Information (ratings are CMS overall star ratings); straight-line distances; providers from the CMS National Plan and Provider Enumeration System (NPPES), by practice address and primary specialty.
Parks (1 nearby)
Grocery stores (1 nearby)
Libraries
Museums (1 nearby)
Counts are within about 3.5 miles of the center of town.
Source: Map data © OpenStreetMap contributors (openstreetmap.org/copyright), as mapped by volunteers; it can miss places or include closed ones.
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Shares ZIP codes with Columbia, Jonesboro and North Washington UT.
Town boundaries don’t always match ZIP codes: a ZIP code can cross into neighboring towns, and a town can share a ZIP code with its neighbors. Facts describe the town itself; market figures describe whole ZIP codes.