Union County
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- Population
- 579,290
- Area
- 102.76 sq mi (266.16 km²), 2.64 sq mi water
- Median age
- 39.1
- Households
- 203,277
- Persons per household
- 2.8
- Median household income
- $103,202
- Median house value
- $529,200
Demographics: 2020–2024 ACS
Today
81°F
Showers And Thunderstorms87% precip
Tonight
66°F
Partly Cloudy13% precip
Monday
75°F
Sunny13% precip
Monday Night
55°F
Clear
Cities & Towns in Union County
Berkeley Heights TownshipClark TownshipConnecticut FarmsCranfordCranford TownshipElizabethFanwoodGarwoodHillside TownshipKean UniversityKenilworthLindenMountainsideNew ProvidencePlainfieldRahwayRoselleRoselle ParkScotch Plains TownshipSpringfieldSpringfield TownshipSummitUnionUnion TownshipVauxhallWestfieldWinfield Township