| population | |
| City of Beloit | 36966 |
| City of Edgerton | 5461 |
| City of Evansville | 5012 |
| City of Janesville | 63575 |
| City of Milton | 5546 |
| Town of Avon | 602 |
| Town of Beloit | 7666 |
| Town of Bradford | 1113 |
| Town of Center | 1070 |
| Town of Clinton | 954 |
| population | |
| Town of Fulton | 3277 |
| Town of Harmony | 2580 |
| Town of Janesville | 3462 |
| Town of Johnstown | 784 |
| Town of La Prairie | 841 |
| Town of Lima | 1285 |
| Town of Magnolia | 772 |
| Town of Milton | 3035 |
| Town of Newark | 1554 |
| Town of Plymouth | 1245 |
| population | |
| Town of Porter | 964 |
| Town of Rock | 3171 |
| Town of Spring Valley | 752 |
| Town of Turtle | 2404 |
| Town of Union | 2086 |
| Village of Clinton | 2154 |
| Village of Footville | 808 |
| Village of Orfordville | 1442 |
 | Southern Wisconsin Regional Airport | ~ 6.17 km |
| Chicago Rockford International Airport | ~ 52.95 km |
| Grand Geneva Resort Airport | ~ 56.13 km |
| Dane County Regional Truax Field | ~ 56.44 km |
| Albertus Airport | ~ 63.14 km |
| Waukesha County Airport | ~ 79.48 km |
| Dodge County Airport | ~ 89.17 km |
| Kenosha Regional Airport | ~ 93.94 km |
| Lawrence J Timmerman Airport | ~ 97.59 km |
