Residential delivery area · New Jersey
ZIP Code 08904: Highland Park, NJ
ZIP code 08904 is in Highland Park, New Jersey, entirely in Middlesex County (Census 2020 ZIP-county file). About 15,000 people live there (Census Bureau, ACS 2020-2024). Median household income is $104,694 (Census Bureau, ACS 2020-2024).
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Highland Park · its only residential ZIP
- County
- Middlesex County
- Census places
- Highland Park
- Metro area
- New York-Newark-Jersey City, NY-NJ
- House district
- NJ-6 119th Congress
- State
- New Jersey
- Time zone
- Eastern
- Land area
- 1.8 sq mi · 8,304 people per sq mi
Where is ZIP code 08904?
08904 centers on 40.501°, -74.428° and covers 1.8 square miles of land plus 0.0 of water. It borders 3 ZIP codes: 08901, 08817, 08854.
The map draws ZIP code areas only. For the streets inside 08904, 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 08904 compare with the rest of Middlesex County?
| Measure | 08904 | In Middlesex County | In NJ |
|---|---|---|---|
| People (ACS 2020-2024) | 15,121 | 28th of 42 | 220th of 598 |
| Median household income | $105k | 29th of 40 | 292nd of 476 |
| Median home value | $472k | 15th of 40 | 237th of 515 |
Its median household income is higher than in 84% of U.S. residential ZIP codes, and it is denser than 97% 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 08904?
The 2020 Census counted 15,072 people in 08904; the ACS, which samples households over 2020-2024, estimates 15,121. Between the 2010 and 2020 censuses its population grew 7.8% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 15,121
- 2020 Census count
- 15,072+7.8% since 2010 (13,982)
- Households
- 6,436
- Median age
- 35.2
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 08904?
Of the 15,121 people the ACS estimates in 08904, 18.5% are under 18 and 10.6% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (55.1%), then Asian (not Hispanic) (21.1%).
- Under 1818.5%
- 18 to 6470.9%
- 65 and older10.6%
- White, not Hispanic55.1%
- Asian, not Hispanic21.1%
- Hispanic or Latino15.8%
- Other or two or more4.5%
- Black, not Hispanic3.6%
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 08904 earn?
Median household income is $104,694 (ACS 2020-2024), the 29th highest of the 40 ranked ZIP codes in Middlesex County. It is not measurably different from 2015-2019 ($99,879 in 2024 dollars): the change is within the surveys' margins of error.
- Median household income
- $104,694±$24,486
- Income per person
- $58,731
- Below the poverty line
- 7.5%
- Unemployed (of the labor force)
- 4.8%
- Adults 25+ with a bachelor's degree
- 69.8%
- Adjusted gross income per tax return, 2022
- $106,5847,530 returns; wages 71% 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 08904?
FHFA's house price index for 08904, built from repeat sales and appraisals of the same homes, rose 75% from 2015 to 2025 and rose 58% from 2020 to 2025, and moved +9.3% in 2025.
- Median home value (owners' estimate)
- $471,700
- Median gross rent
- $1,873
- Homes owned by their occupants
- 40.3%
- Housing units
- 6,759
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 08904?
306 business establishments had a location in this ZIP code in 2023, 15 fewer than in 2018; the most are in health care and social assistance (ZIP Code Business Patterns).
- Health care and social assistance64
- Other services (except public administration)42
- Professional, scientific, and technical services39
- Accommodation and food services33
- Retail trade31
- Real estate and rental and leasing25
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 08904?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 08901 | New Brunswick | 57,263 | $66k | 1.4 mi |
| 08817 | Edison | 49,020 | $111k | 2.1 mi |
| 08854 | Piscataway | 61,088 | $128k | 3.3 mi |
| 08850 | Milltown | 8,538 | $142k | 3.6 mi (near) |
| 08837 | Edison | 19,437 | $103k | 4.5 mi (near) |
| 08882 | South River | 16,124 | $96k | 4.6 mi (near) |
| 08840 | Metuchen | 18,206 | $147k | 4.7 mi (near) |
| 08816 | East Brunswick | 49,360 | $144k | 5.0 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.