Rock County, Wisconsin travel guide: things to do, food & where to stay

Overview

Rock County is a county in Southwest Wisconsin. It is the ninth largest county in terms of population and is known primarily for the cities of Janesville and Beloit.

Updated from Wikivoyage on 1 October 2026 · Something wrong or missing? Improve it on Wikivoyage

Plan your trip

Best time to visit & weather

Most comfortable: May–Sep. Summer highs reach about 82°F; winter lows dip to about 12°F. Cold months (Jan, Feb, Dec) can bring snow and ice; check road conditions. Wettest: Jun and Jul. (climate data from nearby Madison)

Blue bars: average daily high and low (°F). Purple columns: average monthly rain and melted snow (inches).

Getting there

From you: to see whether to drive or fly, and how long it takes.
RFD Chicago Rockford International Airport, Chicago/Rockford — 33 mi away. Directions
MSN Dane County Regional Truax Field, Madison — 35 mi away. Directions
MKE General Mitchell International Airport, Milwaukee — 62 mi away (major hub). Directions

Rock County is primarily accessible by Interstate 90 from either Rockford or Madison. A number of WI routes also service the County. Amtrak Thruway Motorcoach provides daily service to Janesville.

Full “Get in” guide ↓

Sample 2-day trip

Day 1: Beloit — Fairbanks Flats, Beloit Water Tower, Beloit College.
Day 2: Janesville — Rotary Botanical Gardens, Janesville Ice Arena.

Built from the best-covered destinations in this region; open each for its own day plan.

Places in Rock County

Beloit

City / town · 21 listings

Janesville

City / town · 4 listings

Understand

Rock County is one of the older counties in Wisconsin having developed around the Rock River, the region's first major economic driver. Beloit and Janesville, both located directly on the river, continue to be major regional economic centers and have the vast majority of shopping and entertainment in the county. Culturally, it is comparable to neighboring Winnebago County to the south.

Cities

Beloit : A major community located in the southern portion of the county on the Illinois border. The city is home to Beloit College and is an industrial center.
Clinton : A rural community located on the southern part of the county.
Edgerton : A rural community in the northern portion of the county partially situated in Dane County.
Evansville : A rural community in the northwestern part of the county.
Janesville : The county seat and most populous city in the county. Janesville is the major economic hub of the region.
Milton : A rural community located in the northern portion of the county. The city was home to the now defunct Milton College.

Get in

Rock County is primarily accessible by Interstate 90 from either Rockford or Madison. A number of WI routes also service the County. Amtrak Thruway Motorcoach provides daily service to Janesville.

Get around

The following are the primary routes in and around the County:

Interstate 90: The primary thoroughfare of the County, I-90 enters the County immediately east of Beloit and passes by Janesville and Edgerton before exiting the County.
Interstate 43: Entering immediately north of Clinton, I-43 continues southeast and terminates at its junction with I-90 immediately east of Beloit.
US 14: Entering immediately west of Darien, US 14 travels west through the County becoming a major thoroughfare in Janesville and passing through Evansville before exiting the County.
WI 11: Another east-west thoroughfare, WI 11 enters the County concurrent with US 14 before splitting immediately east of Janesville. It travels with Business 14 through downtown Janesville before heading directly west and exiting the County immediately east of Broadhead.
US 51: A major north-south route, US 51 enters the County near downtown Beloit before servicing Janesville and Edgerton.
WI 26: Originating in downtown Janesville, WI 26 moves northeast passing through Milton before entering Jefferson County near Lake Koshkonong.