//
County in Wisconsin, United States
Photo: Michael Barera, CC BY-SA 4.0 via Wikimedia Commons
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.
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.
Read in the guideChoose an airport to see hotels, stations, taxi ranks and car rental desks around it.
Chicago/Rockford · Regional · RFD
Loading places around the airport…
Beloit is a city of 37,000 people (2018) in Southwest Wisconsin. Its downtown is anchored by a core of historic buildings and the Ironworks office and industrial campus.
Janesville is a city in Wisconsin with agricultural and manufacturing roots that, in its heyday, boasted GM and Parker Pen plants, and is known as "Wisconsin's Park Place" with the highest urban acreage of parkland per capita in Wisconsin.
Articles and travel topics about Rock County and United States.
Travel tipsFind the cheapest countries to fly to from the US and UK in 2026. Compare realistic round-trip flight deals, budget airlines, and prime booking windows.
8 min read
Travel tipsFind the best time to visit Hawaii in 2026. Compare whale seasons, big-wave surf, dry shoulder months, hotel rates, and island microclimates.
9 min read
InspirationDiscover the best places to visit in April. Compare Dutch tulip fields, Thailand's Songkran water festival, Roman spring gardens, and cherry blossoms.
6 min read
Travel tipsA practical guide to travelling with medication and refrigerated drugs like insulin and GLP-1s. Learn airline rules, customs papers, and cooling tips.
7 min read
Every section of the guide. Open one to read it in full.