Union County
- Population
- 579,290
- Area
- 0.1 sq mi (0.27 km²), 0 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
77°F
Mostly Cloudy14% precip
Tonight
66°F
Showers And Thunderstorms Likely60% precip
Sunday
82°F
Patchy Fog40% precip
Sunday Night
63°F
Slight Chance Showers And Thunderstorms15% precip