| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Hi-Way Mobile Home Park | city | Illinois | United States | 42.43 | -88.61 | 980 | |
| Hickman | city | Illinois | United States | 40.57 | -87.76 | 830 | |
| Hickory Corners | city | Illinois | United States | 37.99 | -89.00 | 393 | |
| Hickory Corners | city | Illinois | United States | 42.47 | -88.02 | 830 | |
| Hickory Creek | city | Illinois | United States | 42.22 | -89.16 | 830 | |
| Hickory Grove | city | Illinois | United States | 42.06 | -90.07 | 830 | |
| Hickory Grove | city | Illinois | United States | 39.94 | -91.31 | 830 | |
| Hickory Hill | city | Illinois | United States | 38.50 | -88.75 | 830 | |
| Hickory Hills | city | Illinois | United States | 41.49 | -90.25 | 830 | |
| Hickory Hills | city | Illinois | United States | 41.73 | -87.83 | 830 | |
| Hickory Hills | city | Illinois | United States | 42.18 | -88.05 | 830 | |
| Hickory Leaf Mobile Home Park | city | Illinois | United States | 37.74 | -89.06 | 830 | |
| Hickory Oaks | city | Illinois | United States | 41.70 | -88.14 | 830 | |
| Hickory Point | city | Illinois | United States | 40.78 | -89.42 | 830 | |
| Hickory Ridge | city | Illinois | United States | 41.94 | -89.15 | 830 | |
| Hickory View Estates | city | Illinois | United States | 42.21 | -89.01 | 830 | |
| Hicks | city | Illinois | United States | 37.54 | -88.38 | 830 | |
| Hicks Corners | city | Illinois | United States | 41.33 | -89.22 | 830 | |
| Hidalgo | city | Illinois | United States | 39.16 | -88.15 | 830 | |
| Hidden Creek Estates | city | Illinois | United States | 41.61 | -88.00 | 830 | |
| Hidden Hill | city | Illinois | United States | 42.04 | -88.36 | 885 | |
| Hidden Lake | city | Illinois | United States | 42.14 | -88.01 | 830 | |
| Hidden Lakes | city | Illinois | United States | 42.03 | -88.41 | 902 | |
| Hidden Valley | city | Illinois | United States | 42.17 | -88.06 | 830 | |
| Hidden Valley | city | Illinois | United States | 41.60 | -87.94 | 830 | |
| Higginsville | city | Illinois | United States | 40.24 | -87.76 | 830 | |
| High Meadow | city | Illinois | United States | 41.68 | -88.20 | 830 | |
| High Point | city | Illinois | United States | 41.92 | -88.43 | 908 | |
| Highcrest | city | Illinois | United States | 42.11 | -87.85 | 830 | |
| Highland | city | Illinois | United States | 38.74 | -89.67 | 830 | |
| Highland Estates | city | Illinois | United States | 41.94 | -89.11 | 830 | |
| Highland Haven | city | Illinois | United States | 42.06 | -88.36 | 859 | |
| Highland Hills | city | Illinois | United States | 41.85 | -88.00 | 830 | |
| Highland Park | city | Illinois | United States | 42.18 | -87.80 | 830 | |
| Highland Town (historical) | city | Illinois | United States | 41.19 | -88.49 | 830 | |
| Highland Woods | city | Illinois | United States | 42.11 | -87.86 | 830 | |
| Highlands | city | Illinois | United States | 42.13 | -87.83 | 830 | |
| Highmoor | city | Illinois | United States | 42.20 | -87.84 | 830 | |
| Highview | city | Illinois | United States | 42.23 | -88.04 | 830 | |
| Highway Village | city | Illinois | United States | 40.67 | -89.55 | 830 | |
| Highwood | city | Illinois | United States | 42.20 | -87.81 | 830 | |
| Hildreth | city | Illinois | United States | 39.87 | -87.84 | 830 | |
| Hill | city | Illinois | United States | 38.93 | -88.52 | 830 | |
| Hill Top | city | Illinois | United States | 39.99 | -89.88 | 830 | |
| Hillcrest | city | Illinois | United States | 41.95 | -89.06 | 830 | |
| Hillcrest | city | Illinois | United States | 39.79 | -88.28 | 830 | |
| Hillcrest Mobile Home Park | city | Illinois | United States | 39.55 | -89.28 | 830 | |
| Hillerman | city | Illinois | United States | 37.24 | -88.89 | 377 | |
| Hillery | city | Illinois | United States | 40.13 | -87.69 | 830 | |
| Hills Grove (historical) | city | Illinois | United States | 40.39 | -90.87 | 830 | |
| Hillsboro | city | Illinois | United States | 39.16 | -89.49 | 830 | |
| Hillsboro Heights | city | Illinois | United States | 39.16 | -89.48 | 830 | |
| Hillsdale | city | Illinois | United States | 41.61 | -90.17 | 830 | |
| Hillside | city | Illinois | United States | 41.88 | -87.90 | 830 | |
| Hillside Court | city | Illinois | United States | 41.60 | -87.94 | 830 | |
| Hillside Manor | city | Illinois | United States | 39.91 | -91.37 | 830 | |
| Hillside Manor | city | Illinois | United States | 41.12 | -87.95 | 830 | |
| Hilltop | city | Illinois | United States | 38.59 | -90.05 | 830 | |
| Hilltop | city | Illinois | United States | 40.03 | -89.88 | 830 | |
| Hilltop Trailer Park | city | Illinois | United States | 40.46 | -88.98 | 853 | |
| Hillview | city | Illinois | United States | 39.45 | -90.54 | 830 | |
| Himrod | city | Illinois | United States | 40.03 | -87.60 | 830 | |
| Hinckley | city | Illinois | United States | 41.77 | -88.64 | 830 | |
| Hindsboro | city | Illinois | United States | 39.69 | -88.13 | 830 | |
| Hines | city | Illinois | United States | 41.85 | -87.84 | 830 | |
| Hinsdale | city | Illinois | United States | 41.80 | -87.94 | 830 | |
| Hitt | city | Illinois | United States | 41.32 | -88.86 | 830 | |
| Hitt | city | Illinois | United States | 41.99 | -89.74 | 830 |