Square Lake UT is a community in Aroostook County, Maine, home to about 751 people across 383 square miles. Its ZIP code is 04779, and parts of 04739, 04743, 04783 and 04785 are in Square Lake UT too.
Homes sold for a median of $200 per square foot in the three months ending August 2026, a seller’s market.
All in Square Lake UT
Mostly Eagle Lake; part is in Square Lake UT
Mostly Fort Kent; part is in Square Lake UT
Mostly Stockholm; part is in Square Lake UT
Mostly Van Buren; part is in Square Lake UT
Each card is that ZIP code’s whole market, including any part outside Square Lake UT. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Square Lake UT’s story and what everyday life there is like, for people thinking about moving in.
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| Nearest major airport | Portland International Jetport (PWM)256 miles away |
|---|---|
| Closer regional airport | Presque Isle International Airport (PQI)32 miles away |
| Nearest city of 250,000+ | Boston, MA353 miles away |
| Nearest city of 1 million+ | New York, NY523 miles away |
Straight-line distances from the center of Square Lake UT; 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.
Square Lake UT had 706 residents in the 2020 census, up 15% since 2000.
It’s the 325th largest of 519 towns in Maine by population.
Aroostook County grew from 60,744 residents in 1900 to 67,105 in 2020.
Aroostook 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 3°F. About 33.2 inches of rain and melted snow fall in a typical year.
Source: NOAA 1991–2020 climate normals, Frenchville Aroostook Ap, ME weather station (14 miles away).
19,837 jobs at 1,903 businesses in Aroostook County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
Nearest hospitals
Source: Hospitals from CMS Hospital General Information (ratings are CMS overall star ratings); straight-line distances.
Grocery stores
Museums
Counts are within about 8 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 Fort Kent, Van Buren, Eagle Lake, New Canada, Winterville, Stockholm, St. John, Hamlin, Westmanland, Cyr and Northwest Aroostook 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.