Residential delivery area · New Jersey
ZIP Code 08501: Allentown, NJ
ZIP code 08501 uses the postal name Allentown, New Jersey and lies mostly in Monmouth County (87% of its land), reaching into Burlington County and Mercer County (Census 2020 ZIP-county file). About 6,400 people live there (Census Bureau, ACS 2020-2024). Median household income is $146,182 (Census Bureau, ACS 2020-2024). By Census place, 2% of its land lies in Allentown; 98% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Allentown · its only residential ZIP
- County
- Monmouth County (87%); Burlington County (10%); Mercer County (3%)
- Census places
- Allentown
- Metro area
- New York-Newark-Jersey City, NY-NJ
- House district
- NJ-3 119th Congress
- State
- New Jersey
- Time zone
- Eastern
- Land area
- 27.2 sq mi · 234 people per sq mi
Where is ZIP code 08501?
08501 centers on 40.166°, -74.553° and covers 27.2 square miles of land plus 0.6 of water. It borders 9 ZIP codes: 08691, 08514, 08620, 08555, 08520, 08515, 08510, 08562, 08535.
The map draws ZIP code areas only. For the streets inside 08501, 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 08501 compare with the rest of Monmouth County?
| Measure | 08501 | In Monmouth County | In NJ |
|---|---|---|---|
| People (ACS 2020-2024) | 6,364 | 29th of 52 | 390th of 598 |
| Median household income | $146k | 14th of 40 | 122nd of 476 |
| Median home value | $589k | 30th of 48 | 151st of 515 |
Its median household income is higher than in 96% of U.S. residential ZIP codes, and it is denser than 64% 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 08501?
The 2020 Census counted 6,574 people in 08501; the ACS, which samples households over 2020-2024, estimates 6,364. Between the 2010 and 2020 censuses its population fell 0.1% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 6,364±667 (90% margin)
- 2020 Census count
- 6,574−0.1% since 2010 (6,582)
- Households
- 2,502
- Median age
- 52.5
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 08501?
Of the 6,364 people the ACS estimates in 08501, 19.0% are under 18 and 28.3% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (86.2%).
- Under 1819.0%
- 18 to 6452.7%
- 65 and older28.3%
- White, not Hispanic86.2%
- Hispanic or Latino7.0%
- Asian, not Hispanic5.2%
- Other or two or more1.5%
- Black, not Hispanic0.2%
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 08501 earn?
Median household income is $146,182 (ACS 2020-2024), the 14th highest of the 40 ranked ZIP codes in Monmouth County. It is not measurably different from 2015-2019 ($144,478 in 2024 dollars): the change is within the surveys' margins of error.
- Median household income
- $146,182±$32,822
- Income per person
- $69,378
- Below the poverty line
- 3.3%
- Unemployed (of the labor force)
- 8.0%
- Adults 25+ with a bachelor's degree
- 57.7%
- Adjusted gross income per tax return, 2022
- $148,8193,380 returns; wages 63% 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 08501?
FHFA's house price index for 08501, built from repeat sales and appraisals of the same homes, rose 81% from 2015 to 2025 and rose 62% from 2020 to 2025, and moved +6.8% in 2025.
- Median home value (owners' estimate)
- $588,800
- Median gross rent
- $1,497
- Homes owned by their occupants
- 90.4%
- Housing units
- 2,575
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 08501?
168 business establishments had a location in this ZIP code in 2023, 10 more than in 2018; the most are in professional, scientific, and technical services (ZIP Code Business Patterns).
- Professional, scientific, and technical services22
- Other services (except public administration)21
- Retail trade19
- Administrative and support and waste management and remediation services18
- Health care and social assistance15
- Accommodation and food services13
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 08501?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 08691 | Trenton | 16,607 | $133k | 3.9 mi |
| 08514 | Cream Ridge | 4,917 | $134k | 3.9 mi |
| 08620 | Trenton | 11,621 | $105k | 5.2 mi |
| 08555 | Roosevelt | 996 | $110k | 5.8 mi |
| 08520 | Hightstown | 29,504 | $118k | 6.4 mi |
| 08515 | Chesterfield | 8,373 | $209k | 6.7 mi |
| 08510 | Millstone Township | 5,386 | $226k | 6.9 mi |
| 08562 | Wrightstown | 4,201 | $104k | 7.5 mi |
| 08535 | Millstone Township | 4,999 | $210k | 7.8 mi |
| 08561 | Windsor | 325 | – | 5.8 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.