Knox is a town in Waldo County, Maine, home to about 825 people across 29 square miles. It has no ZIP code of its own: it’s part of 04986.
Homes sold for a median of $163 per square foot in the three months ending August 2026, a balanced market.
Mostly Thorndike; part is in Knox
Each card is that ZIP code’s whole market, including any part outside Knox. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Knox’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)83 miles away |
|---|---|
| Closer regional airport | Bangor International Airport (BGR)26 miles away |
| Nearest city of 250,000+ | Boston, MA178 miles away |
| Nearest city of 1 million+ | New York, NY360 miles away |
Straight-line distances from the center of Knox; 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.
Knox had 811 residents in the 2020 census, up 9% since 2000.
It’s the 311th largest of 519 towns in Maine by population.
Waldo County grew from 24,185 residents in 1900 to 39,607 in 2020.
Waldo County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 77°F in summer, and winter lows average 10°F. About 49 inches of rain and melted snow fall in a typical year, with about 72 inches of snow.
Source: NOAA 1991–2020 climate normals, Belfast, ME weather station (18 miles away).
9,273 jobs at 1,003 businesses in Waldo 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.
Parks (4 nearby)
Grocery stores
Libraries
Museums (2 nearby)
Theaters and performance venues (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.
Public schools here are run by Rsu 03/Msad 03. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Mt View Elementary SchoolThorndike | Pre-K–5 | 273 | Public | 1.9 mi |
| Mt View Middle SchoolThorndike | 6–8 | 232 | Public | 1.9 mi |
| Mt View High SchoolThorndike | 9–12 | 271 | Public | 1.9 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 Thorndike.
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.