Checked
ZIP Code 04856
Rockland, ME, Knox County
Population
3,675
Land area
21.6sq mi
People per sq mi
170
City
Rockland
ZIP 04856 and nearby ZIP codes
ZIP 04856 at a glance
- ZIP 04856 (Rockland) is about 3.8 times as dense as Maine as a whole.
- Households here earn a median of $86,979 a year, 16% more than the Maine figure of $74,733.
- A typical owner-occupied home is valued at $469,000 (58% above Maine) and median rent is $1,194 a month.
Local data for ZIP 04856
Counts from official public data
Housing and community stats
ZIP 04856, American Community Survey 2020-2024
Median household income
$86,979
Poverty rate
5.3%
Median home value
$469,000
Prices +4.5% in a year
Median rent
$1,194/mo
Homeownership
84.5%
Bachelor's or higher
51.3%
Median age
48.7
Average commute
11.3 min
Economy and federal money
Businesses, pandemic loans and political donations
Business establishments
260
ZIP Business Patterns 2023
Employees
3,084
$205M annual payroll
PPP loans
$21.14M
281 loans
Campaign donations
$220K
27% D, 47% R, 2026 cycle
Environment and hazard risk
ZIP 04856, from FEMA, NOAA and EPA
Natural hazard risk
Very Low
Top: winter weather
Storm events since 1996
394
Countywide, mostly heavy snow
Flood insurance policies
304
1.5% of homes, county
July high / Jan low
77° / 12°F
56.2 inches of rain a year
Health statistics
Share of adults in ZIP 04856, CDC PLACES estimates
Obesity
27.5%
U.S. 33.3% -5.8 pts
Diabetes
10.8%
U.S. 12.1% -1.3 pts
Smoking
12.3%
U.S. 12.8% -0.5 pts
Uninsured (18-64)
6.8%
U.S. 11.1% -4.3 pts
Cities in ZIP 04856
ZIP codes near 04856
| Name | Distance | Land area (sq mi) |
|---|---|---|
| 04841Rockland | 3.1 mi | 12.8 |
| 04843Camden | 3.9 mi | 18.5 |
| 04861Thomaston | 5.7 mi | 10.9 |
| 04847Camden | 6.8 mi | 22 |
| 04864Thomaston | 7.3 mi | 46.5 |
| 04854Rockland | 7.4 mi | 10.6 |
| 04858Thomaston | 9.2 mi | 11.4 |
| 04862Rockland | 11 mi | 64.9 |
| 04849Belfast | 11 mi | 61.1 |
| 04859Thomaston | 12 mi | 4.4 |
| 04853Camden | 12 mi | 11.4 |
| 04572Waldoboro | 13 mi | 71.5 |
Frequently asked questions
- What city is ZIP code 04856?
- ZIP code 04856 is in Rockland, ME (Knox County).
- What county is ZIP code 04856 in?
- ZIP code 04856 is mostly in Knox County, Maine.
- How many people live in ZIP code 04856?
- About 3,675 people live in the 04856 ZIP Code Tabulation Area, based on American Community Survey 5-year estimates.
Source: U.S. Census Bureau (ZIP Code Tabulation Areas, American Community Survey) · Data as of 12/31/2023. ZIP Code Tabulation Areas closely match, but are not identical to, USPS ZIP code delivery areas.