Caswell is a town in Aroostook County, Maine, home to about 243 people across 41 square miles. It has no ZIP code of its own: it’s part of 04750.
Homes sold for a median of $121 per square foot in the three months ending August 2026, a buyer’s market.
Mostly Limestone; part is in Caswell
Each card is that ZIP code’s whole market, including any part outside Caswell. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Caswell’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)19 miles away |
| Nearest city of 250,000+ | Boston, MA353 miles away |
| Nearest city of 1 million+ | New York, NY528 miles away |
Straight-line distances from the center of Caswell; 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.
Caswell had 293 residents in the 2020 census, down 10% since 2000.
It’s the 433rd 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 75°F in summer, and winter lows average -1°F. About 43.1 inches of rain and melted snow fall in a typical year.
Source: NOAA 1991–2020 climate normals, Limestone 4 Nnw, ME weather station (3 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).
14 doctors and other health care providers list an office in Caswell.
Nearest hospitals
Providers with an office here
| Nurse practitioners and physician assistants | 1 |
|---|---|
| Mental health providers | 13 |
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 (2 nearby)
Grocery stores (1 nearby)
Pharmacies
Libraries (1 nearby)
Museums (1 nearby)
Counts are within about 4.5 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.
Public schools here are run by Caswell Public Schools, Limestone Public Schools, ME Sch of Science & Mathematics. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Dawn F Barnes Elementary SchCaswell | Pre-K–8 | 45 | Public | 3.9 mi |
| Limestone Community SchoolLimestone | Pre-K–8 | 138 | Public | 1.4 mi |
| ME Sch of Science & MathematicsLimestone | 9–12 | 96 | Public | 1.4 mi |
Source: U.S. Department of Education, NCES: Common Core of Data (2024-2025) for public schools. Listed by address; we don’t rate schools.
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Shares ZIP codes with Limestone.
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.