ZIP codes
19
Knox County, ME Demographics & ZIP Codes
Knox County, Maine demographics and median household income by ZIP code — 19 ZIP codes — population 40,860 — avg. income $82,868 — avg. home value $365,805. Compare income, housing, and ZIP-level data on US5.
Population
40,860
Median household income (avg.)
$82,868
110% of U.S. median
Average home value
$365,805
105% of U.S. median
Average rent
$873
75% of U.S. median
Knox County demographics
Knox County, Maine covers 19 ZIP codes, with a combined ZIP-area population of about 40,860.
Median household income in Knox County
The average median household income across ZIP codes in Knox County, Maine is about $82,868 — about 18% above the ME ZIP average ($70,279), and about 10% above the U.S. median ($75,149).
Among ZIPs with income data, 04855 is near the top at about $250,001, while 04851 is near the bottom at about $47,292.
Housing in Knox County
For housing in Knox County, Maine, the average median home value is about $365,805 and the average median rent is about $873.
The most populous ZIP is 04841 (Rockland) with about 6,991 residents. Use the table below to compare ZIP codes across the county.
ZIP codes in Knox County
Sort by population, income, or home value. Click a column header to toggle ascending / descending.
| ZIP | City | County | State | Population ↓ | Income | Home value |
|---|---|---|---|---|---|---|
| 04841 | Rockland | Knox County | ME | 6,991 | $55,276 | $234,400 |
| 04843 | Camden | Knox County | ME | 5,243 | $82,841 | $486,300 |
| 04864 | — | Knox County | ME | 4,893 | $77,321 | $215,500 |
| 04862 | — | Knox County | ME | 4,195 | $71,546 | $236,700 |
| 04856 | — | Knox County | ME | 3,663 | $93,169 | $415,100 |
| 04861 | Thomaston | Knox County | ME | 2,761 | $53,775 | $260,100 |
| 04847 | — | Knox County | ME | 1,711 | $83,462 | $301,500 |
| 04574 | — | Knox County | ME | 1,618 | $63,036 | $186,800 |
| 04860 | — | Knox County | ME | 1,506 | $72,112 | $310,000 |
| 04563 | — | Knox County | ME | 1,407 | $68,345 | $370,800 |
| 04858 | — | Knox County | ME | 1,400 | $80,938 | $305,200 |
| 04854 | — | Knox County | ME | 1,375 | $82,250 | $331,500 |
| 04547 | — | Knox County | ME | 1,276 | $66,618 | $265,300 |
| 04863 | — | Knox County | ME | 1,063 | $72,262 | $435,500 |
| 04859 | — | Knox County | ME | 810 | $77,708 | $744,000 |
| 04853 | — | Knox County | ME | 488 | $93,667 | $404,700 |
| 04855 | — | Knox County | ME | 316 | $250,001 | $359,400 |
| 04851 | — | Knox County | ME | 85 | $47,292 | $425,000 |
| 04645 | — | Knox County | ME | 59 | — | $662,500 |
Frequently asked questions
What are the demographics of Knox County?
Knox County, Maine has a combined ZIP-area population of about 40,860 across 19 ZIP codes. Browse the ZIP table for population, income, and housing by code.
What is the median household income in Knox County?
The average median household income across ZIP codes in Knox County, Maine is about $82,868, about 18% above the state ZIP average ($70,279), and about 10% above the U.S. median ($75,149). Average median home value is about $365,805. Among ZIPs with data, 04855 is near the top ($250,001) and 04851 is near the bottom ($47,292).
How many ZIP codes are in Knox County?
Knox County, Maine includes 19 ZIP codes on US5. Each row links to demographics, median income, and housing for that code.
Where can I find ZIP code demographics for Knox County?
This page lists ZIP codes in Knox County, Maine with population, median household income, and home value. Select a ZIP for a full demographics profile.