Rock County
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- Population
- 164,350
- Area
- 718.17 sq mi (1,860.04 km²), 7.99 sq mi water
- Median age
- 40.3
- Households
- 67,201
- Persons per household
- 2.4
- Median household income
- $75,673
- Median house value
- $231,600
Demographics: 2020–2024 ACS
Tonight
54°F
Mostly Clear
Sunday
70°F
Partly Sunny then Chance Rain Showers25% precip
Sunday Night
44°F
Mostly Clear5% precip
Monday
73°F
Mostly Sunny then Chance Rain Showers29% precip
Cities & Towns in Rock County
Avon TownBeloitBeloit TownBradford TownBrodheadCenter TownClintonClinton TownEdgertonEvansvilleFootvilleFultonFulton TownHanoverHarmony TownJanesvilleJanesville TownJohnstown TownLa Prairie TownLima TownMagnolia TownMiltonMilton TownNewark TownOrfordvillePlymouth TownPorter TownRock TownShopiereSpring Valley TownTurtle TownUnion Town