Jefferson County
- Population
- 229,458
- Area
- 0.66 sq mi (1.7 km²), 0.01 sq mi water
- Median age
- 40.3
- Households
- 88,309
- Persons per household
- 2.6
- Median household income
- $82,851
- Median house value
- $237,200
Demographics: 2020–2024 ACS
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