19 ZIP Code Tabulation Areas in Knox County, Maine. The population-weighted median household income is about $75,211, the median home value about $336,522, and 78.7% of occupied homes are owner-occupied.
- 19
- ZIP codes
- 41K
- Population
- 53
- Data points
Knox County at a glance
- $75,211
- Median household income
- $336,522
- Median home value
- 49.9
- Median age
- 78.7%
- Owner-occupied
- 24,564
- Housing units
Income, home value, and age are population-weighted averages of the ZIP-level medians in the file. Counts are exact.
Top 5 Knox County ZIP codes by median household income| # | ZIP | City | Population | Homeowner % | Median HH $ |
|---|
| 1 | 04855 | St. George | 313 | 100% | $250,001 |
| 2 | 04853 | North Haven | 480 | 82% | $87,500 |
| 3 | 04854 | Matinicus Isle | 1,482 | 81.6% | $87,325 |
| 4 | 04858 | South Thomaston | 1,378 | 92.9% | $87,059 |
| 5 | 04856 | Rockport | 3,675 | 84.5% | $86,979 |
Top 5 Knox County ZIP codes by population| # | ZIP | City | Population | Homeowner % | Median HH $ |
|---|
| 1 | 04841 | Rockland | 7,035 | 62% | $56,533 |
| 2 | 04843 | Camden | 5,242 | 73.5% | $82,344 |
| 3 | 04864 | Warren | 4,932 | 81.3% | $74,616 |
| 4 | 04862 | Appleton | 4,023 | 84.6% | $73,536 |
| 5 | 04856 | Rockport | 3,675 | 84.5% | $86,979 |
Top 5 Knox County ZIP codes by Homeowner GDP| # | ZIP | City | Population | Homeowner % | Median HH $ | Homeowner GDP |
|---|
| 1 | 04843 | Camden | 5,242 | 73.5% | $82,344 | $149.7M |
| 2 | 04841 | Rockland | 7,035 | 62% | $56,533 | $124.9M |
| 3 | 04856 | Rockport | 3,675 | 84.5% | $86,979 | $110.1M |
| 4 | 04862 | Appleton | 4,023 | 84.6% | $73,536 | $107.4M |
| 5 | 04864 | Warren | 4,932 | 81.3% | $74,616 | $99.8M |
Homeowner GDP = owner-occupied units × median household income — a proxy for aggregate homeowner spending power in a ZIP, useful for scoring market opportunity. Not an official economic statistic.
Densest: 04841 (Rockland) at 548 people/sq mi. Least dense: 04645 (Isle au Haut) at 6 people/sq mi.
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