Jefferson County
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- Population
- 64,518
- Area
- 408.13 sq mi (1,057.04 km²), 2.83 sq mi water
- Median age
- 44.3
- Households
- 27,143
- Persons per household
- 2.3
- Median household income
- $59,055
- Median house value
- $127,800
Demographics: 2020–2024 ACS
Overnight
53°F
Chance Rain Showers50% precip
Wednesday
63°F
Chance Rain Showers then Partly Sunny48% precip
Wednesday Night
50°F
Mostly Cloudy6% precip
Thursday
65°F
Mostly Sunny
Cities & Towns in Jefferson County
AdenaAmsterdamBergholzBloomingdaleBrilliantBrush Creek TownshipConnorvilleCross Creek TownshipDillonvale VillageEast SpringfieldEmpireIrondaleIsland Creek TownshipKnox TownshipMingo JunctionMount PleasantMount Pleasant TownshipNew AlexandriaPottery AdditionRaylandRichmondRoss TownshipSalem TownshipSaline TownshipSmithfield TownshipSpringfield TownshipSteubenvilleSteubenville TownshipStrattonTiltonsvilleTorontoWarren TownshipWayne TownshipWells TownshipWintersvilleYorkville