Residential delivery area · New Jersey
ZIP Code 08536: Plainsboro, NJ
ZIP code 08536 uses the postal name Plainsboro, New Jersey and lies entirely in Middlesex County (Census 2020 ZIP-county file). About 21,000 people live there (Census Bureau, ACS 2020-2024). Median household income is $137,607 (Census Bureau, ACS 2020-2024). By Census place, its land lies in Princeton Meadows (28%) and Plainsboro Center (10%); 62% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Plainsboro · its only residential ZIP
- County
- Middlesex County
- Census places
- Princeton Meadows (28%) census-designated place; Plainsboro Center (10%) 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
- 7.5 sq mi · 2,764 people per sq mi
Where is ZIP code 08536?
08536 centers on 40.333°, -74.587° and covers 7.5 square miles of land plus 0.2 of water. It borders 4 ZIP codes: 08512, 08550, 08540, 08852.
The map draws ZIP code areas only. For the streets inside 08536, 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 08536 compare with the rest of Middlesex County?
| Measure | 08536 | In Middlesex County | In NJ |
|---|---|---|---|
| People (ACS 2020-2024) | 20,817 | 17th of 42 | 166th of 598 |
| Median household income | $138k | 9th of 40 | 138th of 476 |
| Median home value | $704k | 2nd of 40 | 96th of 515 |
Its median household income is higher than in 95% of U.S. residential ZIP codes, and it is denser than 88% 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 08536?
The 2020 Census counted 20,682 people in 08536; the ACS, which samples households over 2020-2024, estimates 20,817. Between the 2010 and 2020 censuses its population grew 3.0% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 20,817
- 2020 Census count
- 20,682+3.0% since 2010 (20,073)
- Households
- 8,353
- Median age
- 36.1
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 08536?
Of the 20,817 people the ACS estimates in 08536, 24.2% are under 18 and 8.9% are 65 or older. The largest group by race and Hispanic origin is Asian (not Hispanic) (59.4%), then White (not Hispanic) (26.1%).
- Under 1824.2%
- 18 to 6466.9%
- 65 and older8.9%
- Asian, not Hispanic59.4%
- White, not Hispanic26.1%
- Black, not Hispanic7.0%
- Hispanic or Latino4.6%
- Other or two or more2.8%
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 08536 earn?
Median household income is $137,607 (ACS 2020-2024), the 9th highest of the 40 ranked ZIP codes in Middlesex County. It is not measurably different from 2015-2019 ($136,512 in 2024 dollars): the change is within the surveys' margins of error.
- Median household income
- $137,607
- Income per person
- $75,430
- Below the poverty line
- 4.3%
- Unemployed (of the labor force)
- 3.8%
- Adults 25+ with a bachelor's degree
- 80.9%
- Adjusted gross income per tax return, 2022
- $153,7529,470 returns; wages 79% 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 08536?
FHFA's house price index for 08536, built from repeat sales and appraisals of the same homes, rose 77% from 2015 to 2025 and rose 54% from 2020 to 2025, and moved +12.7% in 2025.
- Median home value (owners' estimate)
- $704,100
- Median gross rent
- $2,033
- Homes owned by their occupants
- 43.4%
- Housing units
- 8,468
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 08536?
470 business establishments had a location in this ZIP code in 2023, 47 more than in 2018; the most are in professional, scientific, and technical services (ZIP Code Business Patterns).
- Professional, scientific, and technical services203
- Health care and social assistance76
- Accommodation and food services26
- Wholesale trade22
- Finance and insurance21
- Other services (except public administration)21
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 08536?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 08512 | Cranbury | 12,928 | $119k | 3.3 mi |
| 08550 | Princeton Junction | 21,067 | $224k | 4.1 mi |
| 08540 | Princeton | 50,388 | $177k | 4.3 mi |
| 08852 | Monmouth Junction | 18,062 | $133k | 4.5 mi |
| 08544 | Princeton | 4,392 | – | 3.9 mi (near) |
| 08528 | Kingston | 321 | – | 4.1 mi (near) |
| 08542 | Princeton | 2,533 | $106k | 4.2 mi (near) |
| 08553 | Rocky Hill | 819 | $148k | 5.4 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.