King William County
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- Population
- 18,593
- Area
- 273.91 sq mi (709.42 km²), 12 sq mi water
- Median age
- 40.9
- Households
- 7,352
- Persons per household
- 2.5
- Median household income
- $86,056
- Median house value
- $315,700
Demographics: 2020–2024 ACS
Today
85°F
Slight Chance Rain Showers then Chance Showers And Thunderstorms65% precip
Tonight
70°F
Showers And Thunderstorms79% precip
Sunday
88°F
Chance Rain Showers then Partly Sunny35% precip
Sunday Night
67°F
Mostly Clear14% precip