Residential delivery area · New Jersey
ZIP Code 08850: Milltown, NJ
ZIP code 08850 is in Milltown, New Jersey, entirely in Middlesex County (Census 2020 ZIP-county file). About 8,500 people live there (Census Bureau, ACS 2020-2024). Median household income is $141,601 (Census Bureau, ACS 2020-2024). By Census place, 67% of its land lies in Milltown; 33% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Milltown · its only residential ZIP
- County
- Middlesex County
- Census places
- Milltown
- Metro area
- New York-Newark-Jersey City, NY-NJ
- House district
- NJ-12 119th Congress
- State
- New Jersey
- Time zone
- Eastern
- Land area
- 2.3 sq mi · 3,704 people per sq mi
Where is ZIP code 08850?
08850 centers on 40.449°, -74.440° and covers 2.3 square miles of land plus 0.1 of water. It borders 3 ZIP codes: 08816, 08901, 08902.
The map draws ZIP code areas only. For the streets inside 08850, 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 08850 compare with the rest of Middlesex County?
| Measure | 08850 | In Middlesex County | In NJ |
|---|---|---|---|
| People (ACS 2020-2024) | 8,538 | 34th of 42 | 337th of 598 |
| Median household income | $142k | 8th of 40 | 134th of 476 |
| Median home value | $471k | 17th of 40 | 241st of 515 |
Its median household income is higher than in 95% of U.S. residential ZIP codes, and it is denser than 91% 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 08850?
The 2020 Census counted 8,325 people in 08850; the ACS, which samples households over 2020-2024, estimates 8,538. Between the 2010 and 2020 censuses its population grew 0.5% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 8,538
- 2020 Census count
- 8,325+0.5% since 2010 (8,281)
- Households
- 3,149
- Median age
- 42.1
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 08850?
Of the 8,538 people the ACS estimates in 08850, 24.3% are under 18 and 15.5% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (74.4%), then Hispanic or Latino (12.8%).
- Under 1824.3%
- 18 to 6460.2%
- 65 and older15.5%
- White, not Hispanic74.4%
- Hispanic or Latino12.8%
- Asian, not Hispanic6.2%
- Other or two or more4.1%
- Black, not Hispanic2.6%
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 08850 earn?
Median household income is $141,601 (ACS 2020-2024), the 8th highest of the 40 ranked ZIP codes in Middlesex County. It is not measurably different from 2015-2019 ($133,908 in 2024 dollars): the change is within the surveys' margins of error.
- Median household income
- $141,601±$18,417
- Income per person
- $63,105
- Below the poverty line
- 1.5%
- Unemployed (of the labor force)
- 3.6%
- Adults 25+ with a bachelor's degree
- 45.0%
- Adjusted gross income per tax return, 2022
- $119,6104,360 returns; wages 69% 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 08850?
FHFA's house price index for 08850, 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 −0.6% in 2025.
- Median home value (owners' estimate)
- $470,700
- Median gross rent
- $1,218
- Homes owned by their occupants
- 84.7%
- Housing units
- 3,281
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 08850?
201 business establishments had a location in this ZIP code in 2023, 3 more than in 2018; the most are in other services (except public administration) (ZIP Code Business Patterns).
- Other services (except public administration)37
- Retail trade29
- Accommodation and food services25
- Construction24
- Professional, scientific, and technical services24
- Health care and social assistance16
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 08850?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 08816 | East Brunswick | 49,360 | $144k | 1.9 mi |
| 08901 | New Brunswick | 57,263 | $66k | 2.4 mi |
| 08902 | North Brunswick | 43,932 | $121k | 2.7 mi |
| 08882 | South River | 16,124 | $96k | 3.3 mi (near) |
| 08904 | Highland Park | 15,121 | $105k | 3.6 mi (near) |
| 08884 | Spotswood | 8,187 | $105k | 4.6 mi (near) |
| 08872 | Sayreville | 20,204 | $98k | 4.7 mi (near) |
| 08828 | Helmetta | 2,459 | $99k | 5.0 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.