Sullivan is a town in Hancock County, Maine, home to about 1,246 people across 27 square miles. Its ZIP code is 04664.
Homes sold for a median of $180 per square foot in the three months ending August 2026, a buyer’s market.
Mostly Sullivan; also East Hancock UT
Each card is that ZIP code’s whole market, including any part outside Sullivan. 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)125 miles away |
|---|---|
| Closer regional airport | Hancock County-Bar Harbor Airport (BHB)13 miles away |
| Nearest city of 250,000+ | Boston, MA210 miles away |
| Nearest city of 1 million+ | New York, NY399 miles away |
Straight-line distances from the center of Sullivan; 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.
Sullivan had 1,219 residents in the 2020 census, up 3% since 2000.
It’s the 243rd largest of 519 towns in Maine by population.
Hancock County grew from 37,241 residents in 1900 to 55,478 in 2020.
Hancock County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 79°F in summer, and winter lows average 15°F. About 55.7 inches of rain and melted snow fall in a typical year.
Source: NOAA 1991–2020 climate normals, Acadia Np, ME weather station (14 miles away).
17,387 jobs at 2,397 businesses in Hancock County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
2 doctors and other health care providers list an office in Sullivan.
Nearest hospitals
Providers with an office here
| Mental health providers | 2 |
|---|
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.
Libraries
Museums
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.
Public schools here are run by Rsu 24. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Mountain View SchSullivan | Pre-K–5 | 152 | Public | 3.7 mi |
| Sumner Middle SchSullivan | 6–8 | 147 | Public | 2.9 mi |
| Sumner Memorial High SchoolSullivan | 9–12 | 214 | Public | 2.9 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 East Hancock 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.