| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Weaver | city | Illinois | United States | 39.42 | -87.60 | 830 | |
| Webster | city | Illinois | United States | 40.47 | -91.00 | 830 | |
| Webster | city | Illinois | United States | 40.77 | -87.60 | 830 | |
| Webster Hill Estates | city | Illinois | United States | 38.33 | -88.93 | 830 | |
| Webster Park | city | Illinois | United States | 41.32 | -89.18 | 830 | |
| Wedges Corner | city | Illinois | United States | 42.39 | -88.00 | 830 | |
| Wedgewood | city | Illinois | United States | 41.56 | -88.21 | 830 | |
| Wedgewood Heights | city | Illinois | United States | 41.58 | -87.91 | 830 | |
| Wedron | city | Illinois | United States | 41.44 | -88.77 | 830 | |
| Weedman | city | Illinois | United States | 40.28 | -88.60 | 830 | |
| Weir | city | Illinois | United States | 39.27 | -87.79 | 830 | |
| Welco Corners | city | Illinois | United States | 41.70 | -88.04 | 830 | |
| Weldon | city | Illinois | United States | 40.12 | -88.75 | 830 | |
| Weldwood Oaks | city | Illinois | United States | 42.03 | -88.34 | 830 | |
| Welge | city | Illinois | United States | 37.96 | -89.71 | 400 | |
| Welland | city | Illinois | United States | 41.63 | -89.07 | 859 | |
| Weller's Subdivision | city | Illinois | United States | 42.13 | -87.85 | 830 | |
| Wellington | city | Illinois | United States | 40.54 | -87.68 | 830 | |
| Wellington Heights | city | Illinois | United States | 41.54 | -88.19 | 830 | |
| Wells Corners | city | Illinois | United States | 42.31 | -87.89 | 830 | |
| Wempletown | city | Illinois | United States | 42.34 | -89.20 | 853 | |
| Wendel | city | Illinois | United States | 41.53 | -89.21 | 830 | |
| Wendelin | city | Illinois | United States | 38.83 | -88.27 | 830 | |
| Wenmoth Acres | city | Illinois | United States | 41.85 | -88.37 | 830 | |
| Wenona | city | Illinois | United States | 41.05 | -89.05 | 830 | |
| Wenonah | city | Illinois | United States | 39.33 | -89.29 | 830 | |
| Wertenberg | city | Illinois | United States | 38.45 | -89.66 | 400 | |
| Wesglen | city | Illinois | United States | 41.62 | -88.14 | 830 | |
| Wesley | city | Illinois | United States | 40.65 | -89.60 | 830 | |
| Wesmere | city | Illinois | United States | 41.56 | -88.22 | 830 | |
| West Brooklyn | city | Illinois | United States | 41.69 | -89.15 | 958 | |
| West Chicago | city | Illinois | United States | 41.88 | -88.20 | 830 | |
| West City | city | Illinois | United States | 37.99 | -88.94 | 830 | |
| West Dundee | city | Illinois | United States | 42.10 | -88.28 | 830 | |
| West Edgewater | city | Illinois | United States | 41.98 | -87.67 | 830 | |
| West Elsdon | city | Illinois | United States | 41.79 | -87.72 | 830 | |
| West End | city | Illinois | United States | 37.89 | -88.71 | 830 | |
| West Englewood | city | Illinois | United States | 41.78 | -87.67 | 830 | |
| West Frankfort | city | Illinois | United States | 37.90 | -88.93 | 406 | |
| West Garfield Park | city | Illinois | United States | 41.88 | -87.73 | 830 | |
| West Grand Place | city | Illinois | United States | 39.77 | -89.67 | 830 | |
| West Hallock | city | Illinois | United States | 40.92 | -89.64 | 830 | |
| West Harvey | city | Illinois | United States | 41.62 | -87.66 | 830 | |
| West Highland Acres | city | Illinois | United States | 42.05 | -88.35 | 849 | |
| West Jersey | city | Illinois | United States | 41.02 | -89.93 | 830 | |
| West Junction | city | Illinois | United States | 42.31 | -89.66 | 830 | |
| West Kankakee | city | Illinois | United States | 41.12 | -87.89 | 830 | |
| West Lake Forest | city | Illinois | United States | 42.22 | -87.87 | 830 | |
| West Lawn | city | Illinois | United States | 41.77 | -87.72 | 830 | |
| West Liberty | city | Illinois | United States | 38.85 | -88.08 | 830 | |
| West Miltmore | city | Illinois | United States | 42.40 | -88.06 | 830 | |
| West Newell | city | Illinois | United States | 40.20 | -87.62 | 830 | |
| West Peoria | city | Illinois | United States | 40.69 | -89.63 | 830 | |
| West Point | city | Illinois | United States | 40.26 | -91.18 | 830 | |
| West Point | city | Illinois | United States | 37.90 | -89.62 | 830 | |
| West Pullman | city | Illinois | United States | 41.68 | -87.64 | 830 | |
| West Ravenwood | city | Illinois | United States | 41.96 | -87.68 | 830 | |
| West Ridge | city | Illinois | United States | 42.00 | -87.69 | 830 | |
| West Ridge | city | Illinois | United States | 39.83 | -88.22 | 830 | |
| West Roseland | city | Illinois | United States | 41.69 | -87.63 | 830 | |
| West Rural Hill | city | Illinois | United States | 37.97 | -88.69 | 830 | |
| West Salem | city | Illinois | United States | 38.52 | -88.00 | 830 | |
| West Sandford | city | Illinois | United States | 39.55 | -87.53 | 830 | |
| West Town | city | Illinois | United States | 41.90 | -87.69 | 830 | |
| West Town Mobile Home Park | city | Illinois | United States | 42.31 | -89.65 | 830 | |
| West Union | city | Illinois | United States | 39.22 | -87.67 | 830 | |
| West Vienna | city | Illinois | United States | 37.43 | -88.97 | 400 | |
| West York | city | Illinois | United States | 39.17 | -87.67 | 830 | |
| Westbury | city | Illinois | United States | 41.70 | -88.07 | 830 | |
| Westchester | city | Illinois | United States | 41.85 | -87.88 | 830 | |
| Western Dunning | city | Illinois | United States | 41.95 | -87.82 | 830 | |
| Western Springs | city | Illinois | United States | 41.81 | -87.90 | 830 | |
| Westervelt | city | Illinois | United States | 39.48 | -88.86 | 830 | |
| Westfield | city | Illinois | United States | 39.46 | -88.00 | 830 | |
| Westfield | city | Illinois | United States | 42.10 | -87.85 | 830 | |
| Westfield Corners | city | Illinois | United States | 42.21 | -89.23 | 849 | |
| Westlake | city | Illinois | United States | 41.62 | -88.16 | 830 | |
| Westminster (historical) | city | Illinois | United States | 39.36 | -88.99 | 830 | |
| Westmont | city | Illinois | United States | 41.80 | -87.98 | 830 | |
| Westmoreland | city | Illinois | United States | 42.28 | -89.16 | 830 | |
| Weston | city | Illinois | United States | 40.75 | -88.62 | 830 | |
| Weston (historical) | city | Illinois | United States | 42.31 | -90.26 | 830 | |
| Westport | city | Illinois | United States | 38.83 | -87.76 | 830 | |
| Westport | city | Illinois | United States | 38.69 | -87.54 | 410 | |
| Westview | city | Illinois | United States | 38.54 | -90.10 | 830 | |
| Westview Acres | city | Illinois | United States | 40.56 | -90.05 | 830 | |
| Westville | city | Illinois | United States | 40.04 | -87.64 | 830 | |
| Wetaug | city | Illinois | United States | 37.32 | -89.17 | 360 | |
| Wetzel | city | Illinois | United States | 39.71 | -87.71 | 830 | |
| Wexford | city | Illinois | United States | 41.56 | -88.17 | 830 | |
| Wexford East | city | Illinois | United States | 41.55 | -88.15 | 830 | |
| Weybridge | city | Illinois | United States | 41.97 | -88.42 | 889 |