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County · GEOID 34023

Middlesex County, NJ ZIP codes

44 ZIP/ZCTAs intersecting this county.

ACS 2023 population

861,535

Median household income

$109,028

Median home value

$439,300

U.S. Census Bureau, ACS 2019–2023 5-year (vintage 2023). Geography: County Middlesex County (GEOID 34023). Methodology

Combined population of ZIP/ZCTAs intersecting this county: 1,065,845 (44 ZIPs).

Combined population of ZIP/ZCTAs intersecting this county. Each intersecting ZIP contributes its full ZCTA population; overlap percents are descriptive only. This is not the Census county ACS headline above. Methodology

ZIP/ZCTA overlap with Middlesex County

Population overlap

Share of each ZIP/ZCTA’s population located within Middlesex County, based on ZIP Code Database county-overlap data. This is a population measure, not land-area overlap or the Census county population.

ZIP Code Database county-overlap table, field percent_of_zip_population_in_county, keyed by county_geoid. Not ACS 2019–2023. Overlap vintage is the shipped overlap table and is separate from ACS. Methodology

ZIP codes intersecting Middlesex County

ZIPCityCountyPopulationIncome
07001AvenelMiddlesex County17,143$95,935
07008CarteretMiddlesex County25,220$87,712
07060PlainfieldUnion County47,560$72,882
07063PlainfieldUnion County14,533$89,840
07064Port ReadingMiddlesex County3,742$143,194
07067ColoniaMiddlesex County18,294$134,301
07077SewarenMiddlesex County3,196$106,926
07080South PlainfieldMiddlesex County24,215$126,161
07095WoodbridgeMiddlesex County20,086$99,718
07721CliffwoodMonmouth County4,445$128,110
07726EnglishtownMonmouth County44,698$145,625
07735KeyportMonmouth County19,203$98,760
07747MatawanMonmouth County32,246$124,896
08512CranburyMercer County12,511$115,255
08528KingstonSomerset County331—
08536PlainsboroMiddlesex County20,558$128,426
08540PrincetonMercer County49,499$169,898
08810DaytonMiddlesex County8,241$141,308
08812DunellenMiddlesex County14,177$119,534
08816East BrunswickMiddlesex County48,965$141,731
08817EdisonMiddlesex County47,924$109,734
08820EdisonMiddlesex County39,392$168,453
08824Kendall ParkMiddlesex County13,866$180,888
08828HelmettaMiddlesex County2,317$104,143
08830IselinMiddlesex County19,151$112,615
08831Monroe TownshipMiddlesex County54,608$108,741
08832KeasbeyMiddlesex County2,793$65,948
08837EdisonMiddlesex County19,954$107,948
08840MetuchenMiddlesex County17,934$150,938
08846MiddlesexMiddlesex County14,518$107,063
08850MilltownMiddlesex County8,442$127,331
08852Monmouth JunctionMiddlesex County17,333$121,771
08854PiscatawayMiddlesex County60,405$126,331
08857Old BridgeMiddlesex County40,409$101,192
08859ParlinMiddlesex County24,284$96,593
08861Perth AmboyMiddlesex County58,264$60,464
08863FordsMiddlesex County13,052$116,250
08872SayrevilleMiddlesex County20,040$97,204
08879South AmboyMiddlesex County23,263$98,000
08882South RiverMiddlesex County16,007$101,853
08884SpotswoodMiddlesex County8,133$101,125
08901New BrunswickMiddlesex County56,766$60,248
08902North BrunswickMiddlesex County43,146$117,671
08904Highland ParkMiddlesex County14,981$101,991

USPS associates these ZIPs with Middlesex County

These codes list Middlesex County as a primary or acceptable city. They are not used for the ACS headline.