What city is ZIP code 04862?

ZIP code 04862 is in Rockland, ME (Knox County).

What county is ZIP code 04862 in?

ZIP code 04862 is mostly in Knox County, Maine.

How many people live in ZIP code 04862?

About 4,023 people live in the 04862 ZIP Code Tabulation Area, based on American Community Survey 5-year estimates.

Checked Oct 26, 2026

ZIP Code 04862

Rockland, ME, Knox County

Population

4,023

Land area

64.9sq mi

People per sq mi

City

Rockland

ZIP 04862 and nearby ZIP codes

Full map

ZIP 04862 at a glance

ZIP 04862 (Rockland) is 38% denser than Maine as a whole.
The median household income is $73,536, close to the Maine median.
A typical owner-occupied home is valued at $252,300 (15% below Maine) and median rent is $1,125 a month.

Local data for ZIP 04862

Counts from official public data

Housing and community stats

ZIP 04862, American Community Survey 2020-2024

Full profile

Median household income

$73,536

Poverty rate

10.0%

Median home value

$252,300

Prices +5.6% in a year

Median rent

$1,125/mo

Homeownership

84.6%

Bachelor's or higher

34.3%

Median age

43.2

Average commute

29.7 min

Income, education and commute

Economy and federal money

Businesses, pandemic loans and political donations

Details

Business establishments

107

ZIP Business Patterns 2023

Employees

561

$23M annual payroll

PPP loans

$3.4M

148 loans

Campaign donations

$16.1K

55% D, 38% R, 2026 cycle

PPP loans in this ZIP

Environment and hazard risk

ZIP 04862, from FEMA, NOAA and EPA

Full report

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

Hazards, floods and storm history Check a flood zone

Health statistics

Share of adults in ZIP 04862, CDC PLACES estimates

All 40 measures

Obesity

30.7%

U.S. 33.3% -2.6 pts

Diabetes

11.8%

U.S. 12.1% about the same

Smoking

15.8%

U.S. 12.8% +3.0 pts

Uninsured (18-64)

7.7%

U.S. 11.1% -3.4 pts

Frequently asked questions

What city is ZIP code 04862?: ZIP code 04862 is in Rockland, ME (Knox County).
What county is ZIP code 04862 in?: ZIP code 04862 is mostly in Knox County, Maine.
How many people live in ZIP code 04862?: About 4,023 people live in the 04862 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.