Cities & Towns in Rock County, WI

Rock County, county in Wisconsin, United States. As of 2020 county had an estimated population of 163,084 inhabitants. The county was created 1 second ago in 1970. Its county seat is Janesville.

There are 0 city/town in Rock County, WI.

Nestled amid the rolling landscapes of southern Wisconsin, Rock County offers visitors a blend of small-town charm, rich agricultural heritage, and convenient urban amenities. The historic city of Janesville serves as the county seat, featuring a lively downtown district and major employers like the Janesville GM Assembly Plant. Just east, the college town of Beloit beckons along the stately Rock River and Illinois border.

Several quaint farming communities dot the rural areas and tranquil scenic drives throughout Rock County. The charming village of Milton exemplifies the county’s agricultural roots, while the downtown square in Clinton exudes small-town vibrancy. Sentinel historical markers in quiet towns like Afton and Avon highlight Rock County’s role along the Underground Railroad.

From the tree-lined streets of Janesville to the winding rivers and open pastoral landscapes, Rock County provides easy access to both city opportunities and peaceful countryside serenity. Annual events like the beloved Rock County 4-H Fair and summer festivals in downtown Janesville highlight local traditions and the county’s tight-knit sense of community. Whether you seek modern conveniences or old-fashioned, rural charm, Rock County offers visitors an authentic slice of Wisconsin life.

All Rock County Cities (Aphebetical)

List of cities, towns, neighborhoods & other populated places in Rock County.

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City Name Title Population
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County Cities on Map (0)

Wisconsin Counties (72)

Milwaukee County (945,016) Dane County (552,536) Waukesha County (406,172) Brown County (264,610) Racine County (195,802) Outagamie County (188,766) Winnebago County (171,631) Kenosha County (169,671) Rock County (163,084) Washington County (136,445) Marathon County (135,593) La Crosse County (118,502) Sheboygan County (115,240) Eau Claire County (105,260) Walworth County (103,953) Fond du Lac County (102,902) Saint Croix County (91,838) Ozaukee County (90,043) Dodge County (87,336) Jefferson County (85,038) Manitowoc County (78,757) Wood County (72,560) Portage County (71,032) Chippewa County (64,737) Sauk County (64,449) Columbia County (57,668) Grant County (51,021) Waupaca County (50,664) Calumet County (50,209) Monroe County (46,582) Dunn County (45,452) Barron County (45,090) Polk County (43,794) Douglas County (43,702) Pierce County (42,700) Shawano County (40,786) Marinette County (40,262) Oconto County (38,383) Green County (36,603) Oneida County (35,751) Clark County (34,720) Vernon County (30,861) Trempealeau County (29,681) Door County (27,889) Lincoln County (27,566) Juneau County (26,908) Waushara County (24,326) Iowa County (23,640) Vilas County (22,356) Jackson County (20,630) Adams County (20,498) Kewaunee County (20,386) Taylor County (20,318) Langlade County (19,119) Green Lake County (18,908) Richland County (17,258) Sawyer County (16,700) Lafayette County (16,646) Crawford County (16,021) Washburn County (15,712) Marquette County (15,585) Burnett County (15,557) Ashland County (15,415) Bayfield County (15,242) Rusk County (14,022) Price County (13,245) Buffalo County (13,033) Forest County (8,960) Pepin County (7,271) Iron County (5,698) Menominee County (4,546) Florence County (4,298)