Knox County, Maine
Knox County covers 365 sq mi of land and has about 41,003 residents. 20 zip codes lie mainly within it, spread across 20 cities and towns. Zip codes that only partly reach into the county are listed on each zip's own page.
Population
41,003
112/sq mi
Median household income
$74K
U.S. $81K
Median home value
$325K
U.S. $333K
Median rent
$1,165
U.S. $1,413
Median age
49.5
U.S. 38.9
Poverty rate
8.2%
U.S. 12.5%
Cities and towns
Zip codes in Knox County
20 total
| Zip | City | Type | Population | IncomeMedian income |
|---|---|---|---|---|
| 04547 | Friendship | 1,213 | $75,625 | |
| 04563 | Cushing | 1,460 | $83,500 | |
| 04574 | Washington | 1,624 | $59,861 | |
| 04645 | Isle Au Haut | 69 | $49,500 | |
| 04841 | Rockland | 7,035 | $56,533 | |
| 04843 | Camden | 5,242 | $82,344 | |
| 04847 | Hope | 1,748 | $86,766 | |
| 04851 | Matinicus | 48 | $65,417 | |
| 04853 | North Haven | 480 | $87,500 | |
| 04854 | Owls Head | 1,482 | $87,325 | |
| 04855 | Port Clyde | 313 | $250,000+ | |
| 04856 | Rockport | 3,675 | $86,979 | |
| 04858 | South Thomaston | 1,378 | $87,059 | |
| 04859 | Spruce Head | 753 | $75,341 | |
| 04860 | Tenants Harbor | 1,543 | $86,833 | |
| 04861 | Thomaston | 2,769 | $56,435 | |
| 04862 | Union | 4,023 | $73,536 | |
| 04863 | Vinalhaven | 1,216 | $72,963 | |
| 04864 | Warren | 4,932 | $74,616 | |
| 04865 | West Rockport · PO box | — | — |
Knox County at a glance
Compared with the U.S.
Household income distribution
<$25k
14%
$25–50k
18%
$50–75k
19%
$75–100k
15%
$100–150k
16%
$150–200k
8%
$200k+
10%
Highest education (adults 25+)
No diploma
5%
High school
29%
Some college
18%
Associate's
8%
Bachelor's
24%
Graduate
15%
How people get to work
Drove alone
69%
Carpooled
9%
Transit
0.1%
Walked
4%
Bicycle
0.1%
Worked from home
17%
Other
2%
At a glance
| Knox | U.S. | |
|---|---|---|
| Own their home | 78.7% | 65.2% |
| Bachelor's degree or higher | 39.7% | 35.7% |
| Work from home | 16.6% | 15.1% |
| Households with broadband | 90.3% | 91% |
| Without health insurance | 5.5% | 8.4% |
| Foreign-born | 3.1% | 14.1% |
| Veterans (of adults) | 8.7% | 6.2% |
| Unemployment | 3.9% | 5.2% |
| Average commute | 19.6 min | 26.4 min |