Residential delivery area · New Jersey
ZIP Code 07066: Clark, NJ
ZIP code 07066 uses the postal name Clark, New Jersey and lies entirely in Union County (Census 2020 ZIP-county file). About 16,000 people live there (Census Bureau, ACS 2020-2024). Median household income is $133,504 (Census Bureau, ACS 2020-2024). Its land lies outside any incorporated or census-designated place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Clark · its only residential ZIP
- County
- Union County
- Metro area
- New York-Newark-Jersey City, NY-NJ
- House districts
- NJ-7 (98%), NJ-10 (2%) 119th Congress, by share of land
- State
- New Jersey
- Time zone
- Eastern
- Land area
- 4.4 sq mi · 3,569 people per sq mi
Where is ZIP code 07066?
07066 centers on 40.621°, -74.310° and covers 4.4 square miles of land plus 0.2 of water. It borders 7 ZIP codes: 07065, 07067, 07016, 07090, 07076, 07036, 08820.
The map draws ZIP code areas only. For the streets inside 07066, 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 07066 compare with the rest of Union County?
| Measure | 07066 | In Union County | In NJ |
|---|---|---|---|
| People (ACS 2020-2024) | 15,622 | 16th of 27 | 215th of 598 |
| Median household income | $134k | 9th of 25 | 149th of 476 |
| Median home value | $610k | 10th of 27 | 135th of 515 |
Its median household income is higher than in 94% of U.S. residential ZIP codes, and it is denser than 90% 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 07066?
The 2020 Census counted 15,555 people in 07066; the ACS, which samples households over 2020-2024, estimates 15,622. Between the 2010 and 2020 censuses its population grew 5.4% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 15,622
- 2020 Census count
- 15,555+5.4% since 2010 (14,756)
- Households
- 5,929
- Median age
- 42.9
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 07066?
Of the 15,622 people the ACS estimates in 07066, 23.7% are under 18 and 21.6% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (77.7%), then Hispanic or Latino (12.6%).
- Under 1823.7%
- 18 to 6454.8%
- 65 and older21.6%
- White, not Hispanic77.7%
- Hispanic or Latino12.6%
- Asian, not Hispanic4.2%
- Other or two or more3.4%
- Black, not Hispanic2.0%
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 07066 earn?
Median household income is $133,504 (ACS 2020-2024), the 9th highest of the 25 ranked ZIP codes in Union County. It is not measurably different from 2015-2019 ($134,876 in 2024 dollars): the change is within the surveys' margins of error.
- Median household income
- $133,504±$14,653
- Income per person
- $57,858
- Below the poverty line
- 2.4%
- Unemployed (of the labor force)
- 3.7%
- Adults 25+ with a bachelor's degree
- 47.1%
- Adjusted gross income per tax return, 2022
- $123,0288,320 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 07066?
FHFA's house price index for 07066, built from repeat sales and appraisals of the same homes, rose 70% from 2015 to 2025 and rose 48% from 2020 to 2025, and moved +4.7% in 2025.
- Median home value (owners' estimate)
- $609,600
- Median gross rent
- $1,743
- Homes owned by their occupants
- 76.6%
- Housing units
- 6,055
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 07066?
500 business establishments had a location in this ZIP code in 2023, 3 fewer than in 2018; the most are in health care and social assistance (ZIP Code Business Patterns).
- Health care and social assistance70
- Professional, scientific, and technical services64
- Other services (except public administration)60
- Construction55
- Retail trade52
- Accommodation and food services50
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 07066?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 07065 | Rahway | 30,109 | $92k | 1.8 mi |
| 07067 | Colonia | 18,587 | $123k | 2.2 mi |
| 07016 | Cranford | 24,074 | $156k | 2.6 mi |
| 07090 | Westfield | 31,111 | $233k | 2.8 mi |
| 07076 | Scotch Plains | 24,843 | $184k | 3.4 mi |
| 07036 | Linden | 45,671 | $92k | 3.7 mi |
| 08820 | Edison | 39,978 | $171k | 4.2 mi |
| 07027 | Garwood | 4,885 | $111k | 2.2 mi (near) |
| 07001 | Avenel | 17,121 | $102k | 3.3 mi (near) |
| 07203 | Roselle | 22,646 | $93k | 3.4 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.