Penobscot Indian Island Reservation is a community in Penobscot County, Maine, home to about 470 people across 7.6 square miles. It has no ZIP code of its own: it’s part of 04468.
Homes sold for a median of $192 per square foot in the three months ending August 2026, a seller’s market.
Mostly Old Town; part is in Penobscot Indian Island Reservation
Each card is that ZIP code’s whole market, including any part outside Penobscot Indian Island Reservation. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Penobscot Indian Island Reservation’s story and what everyday life there is like, for people thinking about moving in.
Are you a local agent who knows Penobscot Indian Island Reservation well? Agents who advertise here will be able to write the guide. Advertise on OfferBacked
| Nearest major airport | Portland International Jetport (PWM)121 miles away |
|---|---|
| Closer regional airport | Bangor International Airport (BGR)12 miles away |
| Nearest city of 250,000+ | Boston, MA215 miles away |
| Nearest city of 1 million+ | New York, NY398 miles away |
Straight-line distances from the center of Penobscot Indian Island Reservation; 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.
It’s the 381st largest of 519 towns in Maine by population.
Penobscot County grew from 76,246 residents in 1900 to 152,199 in 2020.
Penobscot 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 6°F. About 44.8 inches of rain and melted snow fall in a typical year.
Source: NOAA 1991–2020 climate normals, Old Town 2 W, ME weather station (2 miles away).
60,749 jobs at 4,222 businesses in Penobscot County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
95 doctors and other health care providers list an office in Penobscot Indian Island Reservation.
Nearest hospitals
Providers with an office here
| Primary care doctors | 12 |
|---|---|
| Dentists | 4 |
| Nurse practitioners and physician assistants | 30 |
| Mental health providers | 25 |
| Physical and occupational therapists | 17 |
| Optometrists | 3 |
| Chiropractors | 4 |
| Pharmacies | 4 |
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 (10 nearby)
Grocery stores (1 nearby)
Pharmacies (2 nearby)
Libraries (1 nearby)
Museums (2 nearby)
Theaters and performance venues
Counts are within about 2 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 34, Indian Island School. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Alton Elementary SchoolAlton | Pre-K–2 | 40 | Public | 7.7 mi |
| Indian Island SchoolIndian Island | K–8 | 81 | Public | 1.5 mi |
| Old Town Elementary SchoolOld Town | K–5 | 488 | Public | 1.4 mi |
| Leonard Middle SchoolOld Town | 6–8 | 278 | Public | 1.3 mi |
| Old Town High SchoolOld Town | 9–12 | 531 | Public | 1.0 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 Old Town, Alton, Argyle UT and Edinburg.
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.