ZIP code · Rockport · Maine · United States
ZIP code 04856 — Rockport
ZIP code 04856 serves Rockport, Maine.
- Postal code
- 04856Single source Value from one source, not cross-checked.
- City
- Rockport
- County
- Knox FIPS 23013
- State
- Maine
- Country
- United States
- Coordinates
- 44.1888, -69.0901 — precision precise (locality)
View on OpenStreetMap - Population
- 3,663 (ZCTA, ACS 5-year)
- Population density
- 169 / sq mi
- Land area
- 21.6 sq mi (56.1 km²) (ZCTA, ACS 5-year)
- Median household income
- $93,169
- Per-capita income
- $45,052
- Median age
- 46.6
- Households
- 1,444
- Housing units
- 1,959
- Median home value
- $415,100
- Median gross rent
- $1,175 / month
- Congressional district
- ME-1 (119th Congress)
- USDA hardiness zone
- 6a (-10 to -5 °F)Planting / growing zone from the 2023 USDA Plant Hardiness Zone Map: average annual extreme minimum temperature, 1991–2020.
- Time zone
- America/New_York (UTC−5 / UTC−4 DST)
- Area code
- 207 (from the nearest rate centre)Telephone area codes serving this ZIP (NANPA central-office assignments). A ZIP and an area code are different boundaries; at a border both codes may apply.
Tools: compare 04856 with another ZIP · ZIPs within 25 miles · distance from 04856
Map of ZIP code 04856
Climate — monthly normals
Warmest month Jul (avg high 77°F), coldest Jan (avg low 12°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 30 | 33 | 40 | 51 | 62 | 71 | 77 | 76 | 69 | 57 | 47 | 36 |
| Avg low °F | 12 | 14 | 22 | 34 | 44 | 54 | 60 | 59 | 52 | 41 | 31 | 20 |
| Precip in | 4.8 | 4.2 | 5.0 | 5.2 | 4.2 | 4.5 | 3.2 | 3.4 | 4.5 | 6.1 | 5.3 | 5.9 |
NOAA 1991–2020 climate normals from the nearest station: W ROCKPORT 1 NNW (2.8 mi) · NOAA NCEI
Places in ZIP 04856
- 4 schools
- 1 colleges & universities
- 1 hospitals & clinics
- 1 doctors & dentists
- 7 restaurants & cafés
- 8 parks
- 2 playgrounds
- 1 libraries
- 1 post offices
- 5 places of worship
- 2 gas stations
- 1 EV charging stations
- 4 police & fire stations
Places mapped inside this ZIP’s ZCTA area in OpenStreetMap. OSM is community-maintained: counts reflect what has been mapped, and completeness varies by area — treat them as at-least figures. © OpenStreetMap contributors (ODbL) · Methodology
About this page
US ZIP codes have five digits. They are postal routing areas, not administrative boundaries: a ZIP can span more than one city or county, and the city shown is the primary USPS name for that code.
GeoNames · U.S. Census Bureau (ACS) · U.S. Census Bureau · NOAA NCEI · usda-phzm. Data generated on 2026-08-21. Methodology · Report an error on this page