Rock County, Wisconsin Cities (2024)

Note: As defined by the US Census Bureau, a city's official boundaries often extend miles beyond the city itself and may even cross county lines. As such, several thousand US cities officially exist in two or more counties (and therefore appear on multiple counties' lists of cities.)

City
Rank
2024 Pop.
2020 Pop.
Change
Density (/mi²)
Area (mi²)
Type
Janesville166,24665,6700.22%1,92434.4City
Beloit236,23036,677-0.31%2,09017.3City
Edgerton36,0075,9430.27%1,4444.2City
Evansville45,8505,7410.46%1,7963.3City
Milton55,6355,725-0.41%1,2134.6City
Clinton62,2312,2150.18%1,5581.4Village
Orfordville71,4851,4670.27%1,2511.2Village
Footville88517732.28%7541.1Village
Shopiere92252007.66%1,0370.2CDP
Allens Grove101801617.78%3150.6CDP
Hanover11146119-1.35%2510.6CDP

Note: City markers shown outside the county boundary mean that a part of the city extends into this county, but is primarily located in an adjacent county.

What is the largest city in Rock County, Wisconsin?

Janesville is the largest city in Rock County.

What is the smallest city in Rock County, Wisconsin?

Hanover is the smallest city in Rock County.

How many cities are in Rock County?

There are 11 cities in Rock County, Wisconsin.

Frequently Asked Questions