Feature Name | Class | Elev. meters | County | Latitude DMS | Longitude DMS |
| Barton Cemetery | Cemetery | 153 | St. Clair | 38 38 33 N | 089 47 39 W |
| Barton Elementary School | School | 184 | Cook | 41 45 14 N | 087 40 17 W |
| Barton Family Cemetery | Cemetery | 138 | Saline | 37 53 03 N | 088 33 14 W |
| Barton Field | Flat | 135 | Fulton | 40 26 47 N | 089 57 32 W |
| Barton Hall | Building | 226 | Champaign | 40 06 12 N | 088 14 02 W |
| Barton Hall | Building | 241 | McLean | 40 30 29 N | 088 59 37 W |
| Barton Landing | Locale | 109 | Pope | 37 21 30 N | 088 29 00 W |
| Barton Park | Park | 187 | Cook | 42 01 42 N | 087 41 17 W |
| Barton Pond | Lake | 136 | Pike | 39 26 36 N | 090 58 08 W |
| Barton School (historical) | School | 179 | Brown | 39 58 56 N | 090 38 08 W |
| Barton School (historical) | School | 131 | Richland | 38 35 55 N | 088 07 50 W |
| Barton School (historical) | School | 215 | Will | 41 20 21 N | 087 45 59 W |
| Bartonville | Populated Place | 154 | Peoria | 40 39 01 N | 089 39 07 W |
| Bartonville Baptist Church | Church | 196 | Peoria | 40 39 20 N | 089 40 29 W |
| Bartonville Christian Church | Church | 187 | Peoria | 40 38 15 N | 089 40 17 W |
| Bartonville Community Bible Church | Church | 195 | Peoria | 40 38 35 N | 089 40 18 W |
| Bartonville Elementary School | School | 152 | Peoria | 40 38 59 N | 089 39 06 W |
| Bartonville Industrial Park | Locale | 193 | Peoria | 40 38 19 N | 089 39 35 W |
| Bartonville Post Office | Post Office | 149 | Peoria | 40 39 12 N | 089 39 05 W |
| Bartonville Shopping Center | Locale | 196 | Peoria | 40 38 45 N | 089 40 25 W |
| Bartonville United Methodist Church | Church | 157 | Peoria | 40 38 58 N | 089 39 09 W |
| Bartonville Village Hall | Building | 149 | Peoria | 40 39 04 N | 089 39 05 W |
| Bartram Landing Strip | Airport | 208 | Piatt | 39 52 58 N | 088 35 46 W |
| Bartrum Park | Park | 211 | Cook | 42 00 34 N | 087 59 03 W |
| Barwell Lake | Reservoir | 244 | Woodford | 40 37 05 N | 089 07 57 W |
| Barwell Lake Dam | Dam | 244 | Woodford | 40 37 05 N | 089 07 57 W |
| Basco | Populated Place | 192 | Hancock | 40 19 40 N | 091 12 01 W |
| Base Line Bridge | Bridge | 116 | Edwards | 38 27 52 N | 088 08 15 W |
| Base Line School (historical) | School | 268 | DeKalb | 42 03 58 N | 088 37 54 W |
| Bashore School (historical) | School | 224 | Livingston | 40 58 35 N | 088 31 43 W |
| Basic Beginnings | School | 182 | Cook | 41 59 49 N | 087 43 10 W |
| Basic Skills Institute | School | 183 | Cook | 41 45 55 N | 087 36 21 W |
| Baskin Building | Building | 182 | Cook | 41 52 47 N | 087 37 39 W |
| Bass Ford | Crossing | 201 | Vermilion | 40 17 57 N | 087 50 37 W |
| Bass Hill Lookout Tower | Tower | 255 | Alexander | 37 19 18 N | 089 19 05 W |
| Bass Island | Island | 165 | Mercer | 41 19 37 N | 091 04 10 W |
| Bass Lake | Reservoir | 265 | Lee | 41 39 23 N | 089 17 26 W |
| Bass Lake | Reservoir | 185 | Shelby | 39 21 42 N | 088 44 24 W |
| Bass Lake Dam | Dam | 265 | Lee | 41 39 23 N | 089 17 26 W |
| Bass Lake Dam | Dam | 185 | Shelby | 39 21 42 N | 088 44 24 W |
| Bass Run | Gut | 155 | Henderson | 40 45 31 N | 091 04 44 W |
| Bass School | School | 181 | Cook | 41 46 29 N | 087 39 12 W |
| Bass School (historical) | School | 187 | Henry | 41 27 24 N | 090 00 39 W |
| Basset School | School | 111 | Hardin | 37 28 01 N | 088 17 47 W |
| Bassett Airport | Airport | 204 | La Salle | 41 15 05 N | 089 05 38 W |
| Basswood Cemetery | Cemetery | 274 | Stephenson | 42 27 51 N | 089 43 52 W |
| Basswood Church | Church | 278 | Stephenson | 42 27 57 N | 089 43 48 W |
| Basswood Corner School (historical) | School | 250 | Bureau | 41 34 30 N | 089 16 32 W |
| Basswood School (historical) | School | 274 | Stephenson | 42 27 59 N | 089 43 52 W |
| Bataan Park | Park | 192 | Cook | 41 53 57 N | 087 50 45 W |
| Batavia | Populated Place | 218 | Kane | 41 51 00 N | 088 18 45 W |
| Batavia City Hall | Building | 204 | Kane | 41 51 05 N | 088 18 29 W |
| Batavia Dam | Dam | 217 | Kane | 41 51 18 N | 088 18 18 W |
| Batavia Junction | Populated Place | 224 | DuPage | 41 47 43 N | 088 14 26 W |
| Batavia Landmark United Methodist Church | Church | 216 | Kane | 41 51 01 N | 088 18 41 W |
| Batavia Middle School | School | 217 | Kane | 41 50 57 N | 088 18 40 W |
| Batavia Post Office | Post Office | 204 | Kane | 41 50 59 N | 088 18 30 W |
| Batavia Senior High School | School | 223 | Kane | 41 50 53 N | 088 19 48 W |
| Batchtown | Populated Place | 177 | Calhoun | 39 01 59 N | 090 39 27 W |
| Batchtown State Fish and Waterfowl Management Area | Park | 134 | Calhoun | 39 02 30 N | 090 41 07 W |
| Batdorf School (historical) | School | 147 | St. Clair | 38 26 18 N | 089 52 22 W |
| Bateman Cemetery | Cemetery | 202 | Shelby | 39 17 12 N | 088 58 38 W |
| Bateman Elementary School | School | 180 | Cook | 41 57 30 N | 087 42 08 W |
| Bateman School | School | 236 | Knox | 40 57 33 N | 090 22 41 W |
| Bateman School (historical) | School | 191 | Peoria | 40 33 29 N | 089 48 48 W |
| Bates | Populated Place | 195 | Sangamon | 39 43 27 N | 089 50 58 W |
| Bates Cemetery | Cemetery | 178 | Schuyler | 40 08 56 N | 090 19 41 W |
| Bates Fen Nature Preserve | Park | 224 | McHenry | 42 14 58 N | 088 13 22 W |
| Bates Mine | Mine | 182 | Brown | 40 03 45 N | 090 49 11 W |
| Bates School (historical) | School | 225 | Winnebago | 42 25 19 N | 089 08 53 W |
| Batestown | Populated Place | 198 | Vermilion | 40 07 12 N | 087 41 47 W |
| Bath | Populated Place | 141 | Mason | 40 11 36 N | 090 08 27 W |
| Bath Cemetery | Cemetery | 142 | Mason | 40 11 15 N | 090 08 48 W |
| Bath Lake | Lake | 132 | Mason | 40 12 25 N | 090 07 55 W |
| Batley Cemetery | Cemetery | 192 | Scott | 39 44 06 N | 090 33 12 W |
| Battery Rock | Cliff | 100 | Hardin | 37 31 50 N | 088 04 47 W |
| Battery Rock School (historical) | School | 161 | Hardin | 37 31 24 N | 088 05 47 W |
| Battle Creek | Stream | | DeKalb | 41 47 30 N | 088 38 37 W |
| Battle Ford Creek | Stream | | Saline | 37 38 20 N | 088 33 17 W |
| Battles School (historical) | School | 228 | Champaign | 40 19 37 N | 088 03 37 W |
| Batty School (historical) | School | 162 | Greene | 39 23 09 N | 090 19 07 W |
| Bauer Branch | Stream | | Schuyler | 40 14 44 N | 090 32 53 W |
| Bauer Building | Building | 178 | Cook | 41 53 41 N | 087 38 07 W |
| Bauer Cemetery | Cemetery | 191 | Schuyler | 40 13 40 N | 090 33 22 W |
| Bauer School (historical) | School | 229 | Bureau | 41 30 39 N | 089 11 51 W |
| Bauers Lake | Reservoir | 174 | St. Clair | 38 37 54 N | 089 58 36 W |
| Bauers Lake Dam | Dam | 174 | St. Clair | 38 37 54 N | 089 58 36 W |
| Bauersach School (historical) | School | 166 | Perry | 38 05 33 N | 089 28 50 W |
| Baughman Branch | Stream | | Fulton | 40 28 32 N | 090 20 36 W |
| Baughman Cemetery | Cemetery | 182 | Clark | 39 12 41 N | 087 58 23 W |
| Baughman Cemetery | Cemetery | 195 | Fulton | 40 29 03 N | 090 16 51 W |
| Baughman Cemetery | Cemetery | 222 | Woodford | 40 50 20 N | 088 59 15 W |
| Baughman School (historical) | School | 191 | Fulton | 40 30 07 N | 090 18 04 W |
| Baughn School (historical) | School | 214 | Stark | 41 02 48 N | 089 43 32 W |
| Baum | Populated Place | 190 | Greene | 39 19 39 N | 090 18 56 W |
| Baum Branch | Stream | | Vermilion | 39 55 29 N | 087 49 52 W |
| Baum School | School | 182 | Cook | 41 48 09 N | 087 44 50 W |
| Baum School (historical) | School | 214 | Monroe | 38 17 21 N | 090 13 11 W |
| Baum School (historical) | School | 203 | Vermilion | 39 54 12 N | 087 44 57 W |
| Bauman Cemetery | Cemetery | 217 | Woodford | 40 53 10 N | 088 55 54 W |
| Baumgartner School (historical) | School | 177 | Cumberland | 39 11 18 N | 088 03 41 W |
| Bavarian Village Shopping Center | Locale | 240 | Stephenson | 42 18 08 N | 089 39 03 W |
| Baxter Cemetery | Cemetery | 128 | Franklin | 37 59 40 N | 088 50 03 W |
| Baxter Hall | Building | 201 | Morgan | 39 43 50 N | 090 14 49 W |
| Baxter Mine | Mine | 191 | Fulton | 40 33 06 N | 089 59 44 W |
| Baxter School (historical) | School | 207 | Schuyler | 40 11 05 N | 090 53 35 W |
| Bay City | Populated Place | 104 | Pope | 37 14 56 N | 088 29 48 W |
| Bay Creek | Stream | | Calhoun | 39 20 17 N | 090 47 43 W |
| Bay Creek | Stream | | Pope | 37 15 41 N | 088 30 43 W |
| Bay Creek Ditch | Canal | 103 | Pope | 37 19 26 N | 088 38 31 W |