Ada County
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- Population
- 518,935
- Area
- 1,052.02 sq mi (2,724.71 km²), 8.56 sq mi water
- Median age
- 38.4
- Households
- 202,543
- Persons per household
- 2.5
- Median household income
- $91,502
- Median house value
- $512,300
Demographics: 2020–2024 ACS
Overnight
45°F
Mostly Clear
Monday
69°F
Sunny
Monday Night
43°F
Mostly Clear
Tuesday
76°F
Sunny