ZIP code · Elmer · New Jersey · United States

ZIP code 08318 — Elmer

ZIP code 08318 serves Elmer, New Jersey.

Postal code
08318
Single source Value from one source, not cross-checked.
City
Elmer
County
Salem FIPS 34033
State
New Jersey
Country
United States
Coordinates
39.5691, -75.1630 — precision precise (locality)
View on OpenStreetMap
Population
12,149 (ZCTA, ACS 5-year)
Population density
151 / sq mi
Land area
80.4 sq mi (208.3 km²) (ZCTA, ACS 5-year)
Median household income
$87,551
Per-capita income
$40,865
Median age
41.2
Households
4,422
Housing units
4,648
Median home value
$271,300
Median gross rent
$1,173 / month
Congressional district
NJ-2 (119th Congress)
USDA hardiness zone
7b (5 to 10 °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
856
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.

Climate — monthly normals

Warmest month Jul (avg high 89°F), coldest Jan (avg low 25°F).

JanFebMarAprMayJunJulAugSepOctNovDec
Avg high °F434755677684898680695748
Avg low °F252633425161666458473730
Precip in3.13.13.93.23.24.55.14.64.23.93.44.4

NOAA 1991–2020 climate normals from the nearest station: WOODSTOWN PITTSGROV 4E (1.6 mi) · NOAA NCEI

Places in ZIP 08318

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