Feature Name | Class | Elev. meters | County | Latitude DMS | Longitude DMS |
| Walden Elementary School | School | 206 | Lake | 42 10 37 N | 087 50 38 W |
| Walden Farm Cemetery | Cemetery | 193 | Livingston | 40 53 14 N | 088 45 06 W |
| Walden Park | Park | 205 | Lake | 42 10 35 N | 087 50 33 W |
| Walders Farm Airport | Airport | 265 | Lee | 41 39 05 N | 089 00 15 W |
| Waldheim Cemetery | Cemetery | 189 | Cook | 41 51 22 N | 087 48 23 W |
| Waldheim Cemetery | Cemetery | 191 | Cook | 41 52 13 N | 087 49 18 W |
| Waldmeier Ditch | Canal | 152 | Mason | 40 21 16 N | 089 45 36 W |
| Waldo | Populated Place | 223 | Livingston | 40 47 53 N | 088 49 57 W |
| Waldo Baptist Church | Church | 129 | Massac | 37 10 29 N | 088 36 48 W |
| Waldo Cemetery | Cemetery | 224 | Livingston | 40 48 22 N | 088 50 55 W |
| Waldo Church | Church | 219 | Livingston | 40 48 49 N | 088 51 14 W |
| Waldorf School of Chicago | School | 181 | Cook | 41 55 15 N | 087 39 16 W |
| Waldron (historical) | Populated Place | 215 | Stark | 41 08 03 N | 089 45 04 W |
| Wales School (historical) | School | 288 | Stephenson | 42 27 59 N | 089 49 45 W |
| Walford Cemetery | Cemetery | 128 | Pulaski | 37 10 12 N | 089 14 56 W |
| Walk School (historical) | School | 200 | Cumberland | 39 17 12 N | 088 27 08 W |
| Walker | Populated Place | 197 | Macon | 39 40 35 N | 089 00 24 W |
| Walker | Populated Place | 187 | Will | 41 37 04 N | 088 12 23 W |
| Walker Branch | Stream | | Adams | 39 54 31 N | 091 02 20 W |
| Walker Cemetery | Cemetery | 223 | Adams | 39 54 01 N | 091 04 24 W |
| Walker Cemetery | Cemetery | 206 | Adams | 40 09 35 N | 090 56 51 W |
| Walker Cemetery | Cemetery | 219 | Hancock | 40 15 28 N | 091 21 10 W |
| Walker Cemetery | Cemetery | 216 | McDonough | 40 31 24 N | 090 46 13 W |
| Walker Cemetery | Cemetery | 177 | Montgomery | 39 03 00 N | 089 17 28 W |
| Walker Cemetery | Cemetery | 198 | Moultrie | 39 38 19 N | 088 45 47 W |
| Walker Cemetery | Cemetery | 202 | Peoria | 40 48 24 N | 089 51 56 W |
| Walker Cemetery | Cemetery | 165 | Scott | 39 38 55 N | 090 31 35 W |
| Walker Cemetery | Cemetery | 174 | Shelby | 39 18 32 N | 088 49 44 W |
| Walker Cemetery | Cemetery | 181 | Union | 37 34 44 N | 089 12 24 W |
| Walker Cemetery | Cemetery | 128 | Wayne | 38 28 16 N | 088 13 16 W |
| Walker Cemetery | Cemetery | 125 | Williamson | 37 48 07 N | 088 58 42 W |
| Walker Church (historical) | Church | 228 | Champaign | 40 17 49 N | 088 25 55 W |
| Walker Creek | Stream | | Henry | 41 19 14 N | 089 58 48 W |
| Walker Elementary School | School | 184 | Cook | 42 02 51 N | 087 43 07 W |
| Walker Elementary School | School | 225 | Winnebago | 42 17 14 N | 089 04 36 W |
| Walker Ford | Crossing | 170 | Coles | 39 25 20 N | 088 10 35 W |
| Walker Grove School (historical) | School | 164 | Mason | 40 12 01 N | 089 51 27 W |
| Walker Hall | Building | 198 | Macon | 39 50 31 N | 088 58 24 W |
| Walker Hall | Building | 240 | McLean | 40 30 28 N | 088 59 40 W |
| Walker Hill | Summit | 148 | Jackson | 37 38 21 N | 089 30 11 W |
| Walker Hill Cemetery | Cemetery | 147 | Jackson | 37 38 19 N | 089 30 08 W |
| Walker Park | Park | 190 | Cook | 41 45 08 N | 087 53 39 W |
| Walker Park | Park | 189 | Cook | 41 38 23 N | 087 44 55 W |
| Walker School | School | 225 | DuPage | 41 47 37 N | 087 57 22 W |
| Walker School (historical) | School | 228 | Carroll | 41 59 19 N | 089 48 42 W |
| Walker School (historical) | School | 236 | Henry | 41 16 32 N | 089 57 41 W |
| Walker School (historical) | School | 216 | Iroquois | 40 57 14 N | 088 06 50 W |
| Walker School (historical) | School | 257 | Kane | 42 06 35 N | 088 34 09 W |
| Walker School (historical) | School | 216 | Kendall | 41 38 59 N | 088 18 59 W |
| Walker School (historical) | School | 213 | Lee | 41 47 15 N | 089 32 00 W |
| Walker School (historical) | School | 146 | Mason | 40 19 09 N | 089 58 25 W |
| Walker School (historical) | School | 244 | McLean | 40 25 52 N | 088 57 54 W |
| Walker School (historical) | School | 206 | Montgomery | 39 19 10 N | 089 20 05 W |
| Walker School (historical) | School | 137 | Perry | 37 58 19 N | 089 16 48 W |
| Walker School (historical) | School | 208 | Schuyler | 40 14 32 N | 090 39 19 W |
| Walker School (historical) | School | 127 | Wayne | 38 29 10 N | 088 15 45 W |
| Walker Slough | Stream | | Whiteside | 41 41 38 N | 089 55 35 W |
| Walkers Creek | Stream | | Jackson | 37 57 46 N | 089 20 37 W |
| Walkers Island | Island | 125 | Madison | 38 41 29 N | 090 04 39 W |
| Walkers Tabernacle Pentecostal Church | Church | 183 | Cook | 41 47 14 N | 087 38 48 W |
| Walkerville | Populated Place | 175 | Greene | 39 23 13 N | 090 29 43 W |
| Walkerville Cemetery | Cemetery | 173 | Greene | 39 23 07 N | 090 29 56 W |
| Walkerville School (historical) | School | 186 | Johnson | 37 30 10 N | 088 57 13 W |
| Walkup School (historical) | School | 291 | McHenry | 42 17 09 N | 088 22 21 W |
| Walkup Woods Park | Park | 283 | McHenry | 42 15 32 N | 088 19 37 W |
| Wall Cemetery | Cemetery | 158 | Union | 37 31 04 N | 089 07 00 W |
| Wall Farm Cemetery | Cemetery | 134 | Jefferson | 38 12 57 N | 088 43 38 W |
| Wall School | School | 213 | Kane | 41 46 59 N | 088 19 29 W |
| Wall School (historical) | School | 266 | Stephenson | 42 12 47 N | 089 42 30 W |
| Wall Street Baptist Church | Church | 187 | Kankakee | 41 07 13 N | 087 52 49 W |
| Wall Town Drainage Ditch | Canal | 228 | Ford | 40 28 51 N | 088 10 03 W |
| Walla Walla | Populated Place | 178 | Cumberland | 39 12 03 N | 088 11 32 W |
| Wallace Branch | Stream | | Hardin | 37 25 27 N | 088 24 13 W |
| Wallace Cemetery | Cemetery | 213 | Adams | 40 05 31 N | 091 02 55 W |
| Wallace Cemetery | Cemetery | 220 | Adams | 40 01 06 N | 091 00 55 W |
| Wallace Cemetery | Cemetery | 120 | Monroe | 38 17 17 N | 090 20 50 W |
| Wallace Cemetery | Cemetery | 250 | Pope | 37 33 34 N | 088 28 26 W |
| Wallace Chapel | Church | 214 | Vermilion | 40 20 08 N | 087 49 12 W |
| Wallace Chapel Cemetery | Cemetery | 214 | Vermilion | 40 20 08 N | 087 49 12 W |
| Wallace Educational Center | School | 203 | Whiteside | 41 47 23 N | 089 42 14 W |
| Wallace Elementary School | School | 191 | La Salle | 41 24 43 N | 088 52 51 W |
| Wallace Family Cemetery | Cemetery | 180 | Saline | 37 36 48 N | 088 27 45 W |
| Wallace Farm Cemetery | Cemetery | 150 | Pike | 39 35 24 N | 091 03 22 W |
| Wallace Hall | Building | 227 | Warren | 40 54 47 N | 090 38 14 W |
| Wallace Park | Park | 183 | Cook | 41 43 36 N | 087 38 19 W |
| Wallace Park | Park | 185 | Fulton | 40 33 02 N | 090 02 40 W |
| Wallace Park | Park | 203 | Whiteside | 41 47 27 N | 089 42 23 W |
| Wallace School (historical) | School | 180 | Pope | 37 29 49 N | 088 41 16 W |
| Wallace Temple | Church | 181 | Cook | 41 43 36 N | 087 36 03 W |
| Wallace Yards | Locale | 232 | Stephenson | 42 18 30 N | 089 38 31 W |
| Waller High School | School | 182 | Cook | 41 55 09 N | 087 38 43 W |
| Waller School (historical) | School | 209 | Edgar | 39 36 53 N | 087 50 54 W |
| Walley Run | Stream | | Grundy | 41 25 34 N | 088 20 56 W |
| Walley School (historical) | School | 165 | Grundy | 41 25 24 N | 088 21 47 W |
| Walliker Cemetery | Cemetery | 207 | Peoria | 40 56 51 N | 089 50 40 W |
| Wallingford | Populated Place | 217 | Will | 41 22 18 N | 087 56 38 W |
| Wallingford Park | Park | 225 | DuPage | 41 48 48 N | 088 00 14 W |
| Wallingford Park | Park | 198 | Whiteside | 41 46 32 N | 089 41 04 W |
| Wallingford School (historical) | School | 215 | Will | 41 22 13 N | 087 56 28 W |
| Wallis Cemetery | Cemetery | 199 | Shelby | 39 27 44 N | 088 37 38 W |
| Wallis Hall | Building | 245 | McLean | 40 29 18 N | 088 59 32 W |
| Walls Cemetery | Cemetery | 193 | Edgar | 39 30 33 N | 087 42 21 W |
| Walls Memorial Christian Methodist Episcopal Church | Church | 182 | Cook | 41 52 42 N | 087 42 05 W |
| Walls School (historical) | School | 190 | Edgar | 39 30 32 N | 087 42 21 W |
| Walls Siding | Locale | 190 | Macoupin | 39 01 14 N | 089 47 14 W |
| Walnut | Populated Place | 215 | Bureau | 41 33 24 N | 089 35 36 W |
| Walnut | Populated Place | 190 | Tazewell | 40 29 02 N | 089 22 17 W |
| Walnut Cemetery | Cemetery | 209 | Bureau | 41 33 30 N | 089 36 17 W |
| Walnut Cemetery | Cemetery | 151 | Fulton | 40 29 51 N | 089 56 02 W |
| Walnut Cemetery | Cemetery | 200 | Tazewell | 40 31 36 N | 089 27 30 W |