Residential delivery area · New Jersey
ZIP Code 08318: Elmer, NJ
ZIP code 08318 uses the postal name Elmer, New Jersey and lies mostly in Salem County (95% of its land) with the rest in Cumberland County (Census 2020 ZIP-county file). About 12,000 people live there (Census Bureau, ACS 2020-2024). Median household income is $92,558 (Census Bureau, ACS 2020-2024). By Census place, its land lies in Olivet (3%) and Elmer (1%); 96% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Elmer · its only residential ZIP
- County
- Salem County (95%); Cumberland County (5%)
- Census places
- Olivet (3%) census-designated place; Elmer (1%)
- Metro area
- Philadelphia-Camden-Wilmington, PA-NJ-DE-MD
- House district
- NJ-2 119th Congress
- State
- New Jersey
- Time zone
- Eastern
- Land area
- 80.4 sq mi · 149 people per sq mi
Where is ZIP code 08318?
08318 centers on 39.558°, -75.178° and covers 80.4 square miles of land plus 1.1 of water. It borders 8 ZIP codes: 08343, 08328, 08322, 08302, 08098, 08344, 08360, 08332.
The map draws ZIP code areas only. For the streets inside 08318, open its center on OpenStreetMap.
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries and the 2023 Gazetteer (2020 ZCTAs); ZIP-to-county shares, Census places and House districts (119th Congress) from the Census 2020 relationship files (shares of land); metro area from the OMB delineation (July 2023); town name and time zone from simplemaps US ZIP Codes (CC BY 4.0).
How does 08318 compare with the rest of Salem County?
| Measure | 08318 | In Salem County | In NJ |
|---|---|---|---|
| People (ACS 2020-2024) | 11,961 | 5th of 14 | 267th of 598 |
| Median household income | $93k | 5th of 10 | 358th of 476 |
| Median home value | $302k | 5th of 10 | 439th of 515 |
Its median household income is higher than in 76% of U.S. residential ZIP codes, and it is denser than 59% of all U.S. residential ZIP codes. ZIP codes at the ACS caps ($250,000 or more for household income, $2,000,000 or more for home value) share the top rank.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B19013, B25077); ranks by PlainZIP over residential ZIP codes (ZCTAs).
How many people live in 08318?
The 2020 Census counted 11,896 people in 08318; the ACS, which samples households over 2020-2024, estimates 11,961. Between the 2010 and 2020 censuses its population fell 6.3% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 11,961
- 2020 Census count
- 11,896−6.3% since 2010 (12,702)
- Households
- 4,264
- Median age
- 44.3
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B01002, B11001); 2020 Census (DHC P1); 2010 Census (SF1 P1).
Who lives in 08318?
Of the 11,961 people the ACS estimates in 08318, 18.4% are under 18 and 20.3% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (78.3%).
- Under 1818.4%
- 18 to 6461.3%
- 65 and older20.3%
- White, not Hispanic78.3%
- Hispanic or Latino8.8%
- Black, not Hispanic6.4%
- Other or two or more5.0%
- Asian, not Hispanic1.5%
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01001 age by sex, B03002 Hispanic or Latino origin by race); shares of the estimated population, small ZIP codes carry wide margins.
What do households in 08318 earn?
Median household income is $92,558 (ACS 2020-2024), the 5th highest of the 10 ranked ZIP codes in Salem County. It is not measurably different from 2015-2019 ($104,636 in 2024 dollars): the change is within the surveys' margins of error.
- Median household income
- $92,558±$13,450
- Income per person
- $42,911
- Below the poverty line
- 8.7%
- Unemployed (of the labor force)
- 6.4%
- Adults 25+ with a bachelor's degree
- 26.1%
- Adjusted gross income per tax return, 2022
- $84,4645,970 returns; wages 68% of AGI (IRS)
Source: U.S. Census Bureau, ACS 2020-2024 and 2015-2019 5-year estimates (B19013, B19301, B17001, B23025, B15003; 2015-2019 dollars converted with the BLS CPI-U, 1.22699); IRS Statistics of Income, ZIP code data, tax year 2022 (adjusted gross income per return, filed under the address on the return).
What are homes worth in 08318?
FHFA's house price index for 08318, built from repeat sales and appraisals of the same homes, rose 72% from 2015 to 2025 and rose 61% from 2020 to 2025, and moved +5.0% in 2025.
- Median home value (owners' estimate)
- $302,000
- Median gross rent
- $1,349
- Homes owned by their occupants
- 84.2%
- Housing units
- 4,627
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B25077, B25064, B25003, B25001); FHFA House Price Index, annual five-digit ZIP, updated 2026-03-31.
What businesses are in 08318?
227 business establishments had a location in this ZIP code in 2023, 8 fewer than in 2018; the most are in construction (ZIP Code Business Patterns).
- Construction41
- Health care and social assistance30
- Other services (except public administration)27
- Retail trade26
- Administrative and support and waste management and remediation services15
- Accommodation and food services15
Source: U.S. Census Bureau, ZIP Code Business Patterns 2023 and 2018 (establishments with paid employees, by the business's ZIP code).
Which ZIP codes are next to 08318?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 08343 | Monroeville | 4,729 | $142k | 5.5 mi |
| 08328 | Malaga | 1,476 | $102k | 6.6 mi |
| 08322 | Franklinville | 10,202 | $122k | 7.8 mi |
| 08302 | Bridgeton | 47,279 | $66k | 9.3 mi |
| 08098 | Woodstown | 9,680 | $111k | 9.9 mi |
| 08344 | Newfield | 5,564 | $86k | 10.2 mi |
| 08360 | Vineland | 45,038 | $65k | 10.3 mi |
| 08332 | Millville | 35,228 | $68k | 15.5 mi |
| 08352 | Rosenhayn | 112 | $65k | 6.3 mi (near) |
| 08312 | Clayton | 8,556 | $89k | 8.7 mi (near) |
| 08001 | Alloway | 854 | $135k | 9.0 mi (near) |
| 08353 | Shiloh | 228 | $71k | 9.0 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.