Knox County, ME Average Home Price (2026)
The average home price in Knox County, Maine is about $466,000 (the 2026 median across 17 ZIP codes, at ~$317/sq ft) — 33% more expensive than the Maine median and 61% more expensive than the typical U.S. home.
How Knox County compares
Knox County is relatively expensive for housing nationally: its typical home costs $466,000 against $351,000 for Maine and $289,000 for the U.S. Within the county, ZIP-level values run from about $340,000 to $752,000.
| Area | Typical value | $ / sq ft |
|---|---|---|
| Knox County | $466,000 | $317 |
| Maine | $351,000 | $259 |
| United States | $289,000 | $193 |
Knox County home prices by ZIP code
The 15 most valuable ZIP codes in Knox County (of 17 with data):
| ZIP code | Typical value | $ / sq ft | vs county |
|---|---|---|---|
| 04853 North Haven | $752,000 | $652 | +61% |
| 04859 Spruce Head | $726,000 | $382 | +56% |
| 04843 Camden | $695,000 | $409 | +49% |
| 04856 Rockport | $588,000 | $353 | +26% |
| 04860 St George | $515,000 | $317 | +11% |
| 04851 Matinicus | $504,000 | $265 | +8% |
| 04854 Owls Head | $491,000 | $441 | +5% |
| 04563 Cushing | $482,000 | $300 | +3% |
| 04858 South Thomaston | $466,000 | $310 | +0% |
| 04863 Vinalhaven | $457,000 | $273 | -2% |
| 04847 Hope | $394,000 | $663 | -15% |
| 04862 Union | $386,000 | $331 | -17% |
| 04547 Friendship | $382,000 | $193 | -18% |
| 04574 Washington | $345,000 | $224 | -26% |
| 04864 Warren | $342,000 | $356 | -27% |
Home value appreciation in Knox County
Home prices in Knox County have risen about 127% over the last 10 years (≈8.5% a year) and +106.1% over 20 years, according to the FHFA house price index through 2025. The most recent year came in at +3.8% — still rising. A home worth $466,000 today was worth roughly $205,286 ten years ago.
See where that trend takes a specific home with the home appreciation calculator — statewide, Maine is +112.4% over the same 10 years. Past appreciation is a track record, not a forecast; local prices can fall.
Calculators for Knox County
Run the numbers for Knox County with the local rates already filled in — change any input to test your own situation.
Salary needed to buy a home in Knox County
To buy the typical $466,000 home in Knox County with 20% down, you need a household income of roughly $127,000 a year (about $2,960 a month for the mortgage, taxes, and insurance). With 10% down the bar rises to about $151,000, because the loan is bigger and mortgage insurance kicks in.
| Down payment | Cash down | Monthly payment | Income needed |
|---|---|---|---|
| 5% (+PMI) | $23,300 | $3,680/mo | $158,000/yr |
| 10% (+PMI) | $46,600 | $3,510/mo | $151,000/yr |
| 20% | $93,200 | $2,960/mo | $127,000/yr |
Assumes a 30-year fixed mortgage at 6.5%, property tax at 1.1% and insurance at 0.45% of value per year, PMI of 0.75% on loans with less than 20% down, and the standard 28% housing-to-income rule. Your rate, taxes, and HOA will move these — run your own numbers in the mortgage calculator.
What your budget buys in Knox County
At about $317 per square foot, here is roughly how much home different budgets get you in Knox County:
| Budget | Approx. size | What that looks like locally |
|---|---|---|
| $250k | 790 sq ft | below the local median — condos, smaller or older homes |
| $300k | 950 sq ft | below the local median — condos, smaller or older homes |
| $400k | 1260 sq ft | around the typical home here |
| $500k | 1580 sq ft | around the typical home here |
| $600k | 1890 sq ft | around the typical home here |
Wondering where that budget goes further? The relocation calculator ranks hundreds of U.S. cities by what the same money buys — it opens filtered to Maine.
Estimate a specific home in Knox County
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Knox County home prices: frequently asked
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Browse all Maine cities and counties, or look up price per square foot by ZIP code nationwide.
Directional estimates from public market data (Realtor.com & Zillow research; FHFA house price index; Census ZIP-to-county relationships), not appraisals.