Residential delivery area · New Jersey
ZIP Code 08223: Marmora, NJ
ZIP code 08223 uses the postal name Marmora, New Jersey and lies entirely in Cape May County (Census 2020 ZIP-county file). About 4,000 people live there (Census Bureau, ACS 2020-2024). Median household income is $107,131 (Census Bureau, ACS 2020-2024). By Census place, its land lies in Beesleys Point (16%) and Marmora (16%), and 3% in smaller places; 65% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Marmora · its only residential ZIP
- County
- Cape May County
- Census places
- Beesleys Point (16%) census-designated place; Marmora (16%) census-designated place
- Metro area
- Atlantic City-Hammonton, NJ
- House district
- NJ-2 119th Congress
- State
- New Jersey
- Time zone
- Eastern
- Land area
- 13.0 sq mi · 312 people per sq mi
Where is ZIP code 08223?
08223 centers on 39.270°, -74.657° and covers 13.0 square miles of land plus 2.8 of water. It borders 6 ZIP codes: 08226, 08244, 08230, 08270, 08234, 08330.
The map draws ZIP code areas only. For the streets inside 08223, 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 08223 compare with the rest of Cape May County?
| Measure | 08223 | In Cape May County | In NJ |
|---|---|---|---|
| People (ACS 2020-2024) | 4,048 | 9th of 16 | 460th of 598 |
| Median household income | $107k | 4th of 10 | 273rd of 476 |
| Median home value | $420k | 6th of 11 | 317th of 515 |
Its median household income is higher than in 85% of U.S. residential ZIP codes, and it is denser than 67% 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 08223?
The 2020 Census counted 4,116 people in 08223; the ACS, which samples households over 2020-2024, estimates 4,048. Between the 2010 and 2020 censuses its population fell 0.2% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 4,048±485 (90% margin)
- 2020 Census count
- 4,116−0.2% since 2010 (4,125)
- Households
- 1,833
- Median age
- 47.3
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 08223?
Of the 4,048 people the ACS estimates in 08223, 20.6% are under 18 and 33.1% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (86.9%).
- Under 1820.6%
- 18 to 6446.3%
- 65 and older33.1%
- White, not Hispanic86.9%
- Other or two or more7.2%
- Hispanic or Latino3.0%
- Asian, not Hispanic1.9%
- Black, not Hispanic1.0%
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 08223 earn?
Median household income is $107,131 (ACS 2020-2024), the 4th highest of the 10 ranked ZIP codes in Cape May County. It is not measurably different from 2015-2019 ($96,425 in 2024 dollars): the change is within the surveys' margins of error.
- Median household income
- $107,131±$21,920
- Income per person
- $50,951
- Below the poverty line
- 2.6%
- Unemployed (of the labor force)
- 1.1%
- Adults 25+ with a bachelor's degree
- 49.6%
- Adjusted gross income per tax return, 2022
- $99,9472,290 returns; wages 56% 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 08223?
FHFA's house price index for 08223, built from repeat sales and appraisals of the same homes, rose 90% from 2015 to 2025 and rose 64% from 2020 to 2025, and moved +3.1% in 2025.
- Median home value (owners' estimate)
- $420,300
- Median gross rent
- $1,656
- Homes owned by their occupants
- 93.3%
- Housing units
- 2,465
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 08223?
169 business establishments had a location in this ZIP code in 2023, 4 fewer than in 2018; the most are in construction (ZIP Code Business Patterns).
- Construction31
- Other services (except public administration)24
- Retail trade23
- Health care and social assistance23
- Professional, scientific, and technical services12
- Accommodation and food services12
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 08223?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 08226 | Ocean City | 11,261 | $102k | 2.7 mi |
| 08244 | Somers Point | 10,659 | $70k | 4.5 mi |
| 08230 | Ocean View | 5,700 | $115k | 5.4 mi |
| 08270 | Woodbine | 8,362 | $100k | 8.1 mi |
| 08234 | Egg Harbor Township | 47,339 | $98k | 8.4 mi |
| 08330 | Mays Landing | 29,972 | $77k | 14.6 mi |
| 08248 | Strathmere | 266 | $109k | 5.2 mi (near) |
| 08221 | Linwood | 6,992 | $156k | 6.9 mi (near) |
| 08403 | Longport | 1,046 | $111k | 7.0 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.