Residential delivery area · New Jersey
ZIP Code 08502: Belle Mead, NJ
ZIP code 08502 uses the postal name Belle Mead, New Jersey and lies entirely in Somerset County (Census 2020 ZIP-county file). About 12,000 people live there (Census Bureau, ACS 2020-2024). Median household income is $227,242 (Census Bureau, ACS 2020-2024). By Census place, its land lies in Belle Mead (16%) and Harlingen (6%); 78% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Belle Mead · its only residential ZIP
- County
- Somerset County
- Census places
- Belle Mead (16%) census-designated place; Harlingen (6%) census-designated place
- Metro area
- New York-Newark-Jersey City, NY-NJ
- House district
- NJ-12 119th Congress
- State
- New Jersey
- Time zone
- Eastern
- Land area
- 13.2 sq mi · 895 people per sq mi
Where is ZIP code 08502?
08502 centers on 40.448°, -74.653° and covers 13.2 square miles of land plus 0.1 of water. It borders 3 ZIP codes: 08844, 08558, 08540.
The map draws ZIP code areas only. For the streets inside 08502, 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 08502 compare with the rest of Somerset County?
| Measure | 08502 | In Somerset County | In NJ |
|---|---|---|---|
| People (ACS 2020-2024) | 11,849 | 13th of 32 | 270th of 598 |
| Median household income | $227k | 5th of 24 | 22nd of 476 |
| Median home value | $817k | 6th of 25 | 57th of 515 |
Its median household income is higher than in 99% of U.S. residential ZIP codes, and it is denser than 77% 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 08502?
The 2020 Census counted 11,636 people in 08502; the ACS, which samples households over 2020-2024, estimates 11,849. Between the 2010 and 2020 censuses its population grew 2.8% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 11,849
- 2020 Census count
- 11,636+2.8% since 2010 (11,317)
- Households
- 3,983
- Median age
- 41.6
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 08502?
Of the 11,849 people the ACS estimates in 08502, 26.3% are under 18 and 10.6% are 65 or older. The largest group by race and Hispanic origin is Asian (not Hispanic) (49.5%), then White (not Hispanic) (38.2%).
- Under 1826.3%
- 18 to 6463.1%
- 65 and older10.6%
- Asian, not Hispanic49.5%
- White, not Hispanic38.2%
- Other or two or more5.9%
- Hispanic or Latino4.0%
- Black, not Hispanic2.4%
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 08502 earn?
Median household income is $227,242 (ACS 2020-2024), the 5th highest of the 24 ranked ZIP codes in Somerset County. It is not measurably different from 2015-2019 ($247,123 in 2024 dollars): the change is within the surveys' margins of error.
- Median household income
- $227,242
- Income per person
- $87,447
- Below the poverty line
- 3.1%
- Unemployed (of the labor force)
- 4.5%
- Adults 25+ with a bachelor's degree
- 77.7%
- Adjusted gross income per tax return, 2022
- $236,2125,450 returns; wages 74% 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 08502?
FHFA's house price index for 08502, built from repeat sales and appraisals of the same homes, rose 54% from 2015 to 2025 and rose 52% from 2020 to 2025, and moved +5.9% in 2025.
- Median home value (owners' estimate)
- $816,700
- Median gross rent
- $2,298
- Homes owned by their occupants
- 81.8%
- Housing units
- 3,983
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 08502?
200 business establishments had a location in this ZIP code in 2023, 8 more than in 2018; the most are in professional, scientific, and technical services (ZIP Code Business Patterns).
- Professional, scientific, and technical services72
- Health care and social assistance18
- Real estate and rental and leasing14
- Administrative and support and waste management and remediation services14
- Retail trade13
- Other services (except public administration)13
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 08502?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 08844 | Hillsborough | 44,463 | $154k | 3.5 mi |
| 08558 | Skillman | 7,648 | $236k | 3.6 mi |
| 08540 | Princeton | 50,388 | $177k | 5.8 mi |
| 08553 | Rocky Hill | 819 | $148k | 3.4 mi (near) |
| 08528 | Kingston | 321 | – | 4.6 mi (near) |
| 08823 | Franklin Park | 8,884 | $116k | 4.7 mi (near) |
| 08821 | Flagtown | 283 | $156k | 5.3 mi (near) |
| 08824 | Kendall Park | 13,366 | $175k | 5.6 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.