Feature Name | Class | Elev. meters | County | Latitude DMS | Longitude DMS |
| Bancroft Corners | Populated Place | 217 | Lake | 42 25 16 N | 087 51 43 W |
| Bando | Populated Place | 177 | Sangamon | 39 49 39 N | 089 42 34 W |
| Bandy School (historical) | School | 122 | Jackson | 37 45 56 N | 089 17 06 W |
| Bane School (historical) | School | 198 | Whiteside | 41 41 08 N | 089 41 15 W |
| Bangs Lake | Lake | 236 | Lake | 42 15 56 N | 088 07 59 W |
| Bank One Plaza Shopping Center | Locale | 258 | Lake | 42 11 21 N | 088 06 13 W |
| Banker School (historical) | School | 140 | Wayne | 38 35 09 N | 088 18 43 W |
| Bankers Building | Building | 181 | Cook | 41 52 45 N | 087 37 53 W |
| Banklick | Populated Place | 130 | Williamson | 37 49 38 N | 088 42 08 W |
| Bankston Fork | Stream | | Saline | 37 46 05 N | 088 32 02 W |
| Bankston Fork Church | Church | 138 | Williamson | 37 45 13 N | 088 38 15 W |
| Banneker Elementary School | School | 183 | Cook | 41 46 24 N | 087 38 15 W |
| Banner | Populated Place | 143 | Fulton | 40 31 01 N | 089 54 30 W |
| Banner School (historical) | School | 195 | Edgar | 39 42 17 N | 087 38 10 W |
| Banner School (historical) | School | 183 | Effingham | 39 02 43 N | 088 43 13 W |
| Banner School (historical) | School | 188 | Effingham | 39 11 40 N | 088 36 27 W |
| Banner School (historical) | School | 147 | Fulton | 40 30 57 N | 089 54 46 W |
| Banner School (historical) | School | 205 | Livingston | 40 51 40 N | 088 27 06 W |
| Banner School (historical) | School | 221 | Peoria | 40 50 32 N | 089 37 48 W |
| Banner School (historical) | School | 155 | Wayne | 38 32 53 N | 088 38 26 W |
| Bannes Park | Park | 215 | Cook | 41 35 25 N | 087 49 09 W |
| Bannister | Populated Place | 159 | Marion | 38 37 08 N | 088 51 35 W |
| Bannister Switch (historical) | Locale | 158 | Marion | 38 37 09 N | 088 51 51 W |
| Bannockburn | Populated Place | 209 | Lake | 42 11 36 N | 087 51 59 W |
| Bannockburn Elementary School | School | 205 | Lake | 42 11 30 N | 087 51 51 W |
| Banta Lakes | Lake | 198 | De Witt | 40 07 11 N | 088 59 34 W |
| Banta Park | Park | 204 | Cook | 42 04 58 N | 087 57 25 W |
| Baptist Bible Church | Church | 202 | Macon | 39 50 11 N | 088 57 04 W |
| Baptist Cemetery | Cemetery | 145 | Edwards | 38 26 57 N | 087 59 04 W |
| Baptist Cemetery | Cemetery | 181 | Montgomery | 39 03 55 N | 089 35 48 W |
| Baptist Church | Church | 220 | La Salle | 41 37 34 N | 088 55 57 W |
| Baptist Church Cemetery | Cemetery | 202 | Macoupin | 39 02 29 N | 090 08 39 W |
| Baptist Church of Martinsville | Church | 186 | Clark | 39 20 06 N | 087 52 59 W |
| Baptist Church Without a Spot or Wrinkle | Church | 182 | Cook | 41 43 26 N | 087 38 37 W |
| Baptist Creek | Stream | | Hancock | 40 31 18 N | 090 58 13 W |
| Baptist Mission Church | Church | 186 | Cook | 41 58 04 N | 087 44 31 W |
| Baptist Revival Center | Church | 187 | Cook | 41 46 31 N | 087 45 44 W |
| Baptist Temple | Church | 172 | Henry | 41 28 58 N | 090 20 32 W |
| Bar Island | Island | 132 | Cass | 40 00 11 N | 090 28 56 W |
| Barah Cemetery | Cemetery | 131 | Wayne | 38 16 16 N | 088 16 46 W |
| Barat Campus DePaul University | School | 208 | Lake | 42 14 02 N | 087 49 50 W |
| Barbara Ditch | Canal | 194 | Bureau | 41 22 32 N | 089 48 36 W |
| Barbara Kay Mine | Mine | 142 | Williamson | 37 44 05 N | 088 48 35 W |
| Barbara Key Park | Park | 253 | McHenry | 42 11 37 N | 088 18 41 W |
| Barbara Olson Center | School | 237 | Winnebago | 42 18 18 N | 089 06 59 W |
| Barbeau Hollow | Valley | | Randolph | 38 04 29 N | 090 03 43 W |
| Barbeau School (historical) | School | 116 | Randolph | 38 02 59 N | 090 05 45 W |
| Barbee Cemetery | Cemetery | 143 | Crawford | 39 02 40 N | 087 40 35 W |
| Barber Cemetery | Cemetery | 202 | McDonough | 40 24 18 N | 090 46 22 W |
| Barber Cemetery | Cemetery | 253 | McHenry | 42 10 14 N | 088 38 13 W |
| Barber School (historical) | School | 212 | La Salle | 41 22 34 N | 088 38 07 W |
| Barbers Corners | Populated Place | 222 | Will | 41 42 39 N | 088 04 06 W |
| Barbers Corners Cemetery | Cemetery | 224 | Will | 41 43 01 N | 088 03 17 W |
| Barbers Corners County Forest Preserve | Park | 197 | Will | 41 42 51 N | 088 05 05 W |
| Barbizon Schools | School | 180 | Cook | 41 53 31 N | 087 37 11 W |
| Barbour Elementary School | School | 242 | Winnebago | 42 15 31 N | 089 06 51 W |
| Barbour School | School | 238 | Winnebago | 42 15 32 N | 089 06 47 W |
| Barclay | Populated Place | 175 | Sangamon | 39 52 29 N | 089 31 04 W |
| Barclay Public Library | Building | 216 | Macon | 39 55 48 N | 089 03 43 W |
| Barclay School (historical) | School | 177 | Menard | 40 02 01 N | 089 52 28 W |
| Barcley School (historical) | School | 240 | Ogle | 41 56 44 N | 089 40 05 W |
| Barden Creek | Stream | | Marion | 38 40 38 N | 089 03 34 W |
| Bardolph | Populated Place | 205 | McDonough | 40 29 42 N | 090 33 52 W |
| Bardolph Cemetery | Cemetery | 206 | McDonough | 40 29 53 N | 090 34 10 W |
| Bardolph Cumberland Presbyterian Church (historical) | Church | 204 | McDonough | 40 29 38 N | 090 33 47 W |
| Bardolph High School (historical) | School | 204 | McDonough | 40 29 38 N | 090 33 38 W |
| Bardolph Presbyterian Church | Church | 204 | McDonough | 40 29 42 N | 090 33 42 W |
| Bardolph United Methodist Church | Church | 204 | McDonough | 40 29 38 N | 090 33 47 W |
| Bardon Cemetery | Cemetery | 192 | Iroquois | 40 48 08 N | 087 54 05 W |
| Bardwell Island | Island | 156 | Will | 41 21 28 N | 088 13 55 W |
| Bare Creek | Stream | | Richland | 38 34 18 N | 088 05 35 W |
| Barefoot School (historical) | School | 122 | Hamilton | 37 57 15 N | 088 31 02 W |
| Barger Cemetery | Cemetery | 217 | Pope | 37 29 00 N | 088 31 03 W |
| Barger Cemetery | Cemetery | 214 | Pope | 37 31 19 N | 088 35 24 W |
| Barger Lake | Reservoir | 229 | Pope | 37 33 00 N | 088 33 24 W |
| Barger Lake Dam | Dam | 229 | Pope | 37 33 00 N | 088 33 24 W |
| Barker Bluff | Cliff | 186 | Hardin | 37 29 22 N | 088 08 48 W |
| Barker Cemetery | Cemetery | 142 | Clinton | 38 33 19 N | 089 10 46 W |
| Barker Cemetery | Cemetery | 194 | Fulton | 40 24 55 N | 090 25 43 W |
| Barker Cemetery | Cemetery | 131 | Hamilton | 37 56 35 N | 088 29 41 W |
| Barker Cemetery | Cemetery | 203 | Shelby | 39 26 54 N | 088 42 30 W |
| Barker Church | Church | 195 | Fulton | 40 24 55 N | 090 25 39 W |
| Barker Creek | Stream | | Fulton | 40 28 23 N | 090 21 45 W |
| Barker School (historical) | School | 243 | Warren | 40 38 47 N | 090 41 33 W |
| Barkis Island | Island | 165 | Mercer | 41 17 28 N | 091 04 58 W |
| Barkridge Park | Park | 219 | DuPage | 41 47 22 N | 088 05 45 W |
| Barlow Lake | Lake | 129 | Pike | 39 47 43 N | 090 36 01 W |
| Barlow Park | Populated Place | 196 | Vermilion | 40 18 34 N | 087 37 23 W |
| Barlow School (historical) | School | 142 | Richland | 38 42 49 N | 088 10 46 W |
| Barnard Elementary School | School | 189 | Cook | 41 42 19 N | 087 39 30 W |
| Barnard Mill (historical) | Populated Place | 256 | McHenry | 42 25 02 N | 088 21 39 W |
| Barnard Park | Park | 192 | Cook | 41 42 11 N | 087 40 12 W |
| Barnd Cemetery | Cemetery | 218 | Pike | 39 30 20 N | 090 50 21 W |
| Barnes | Populated Place | 260 | McLean | 40 30 10 N | 088 54 06 W |
| Barnes Cemetery | Cemetery | 132 | Clay | 38 36 52 N | 088 18 10 W |
| Barnes Cemetery | Cemetery | 221 | De Witt | 40 11 24 N | 088 43 43 W |
| Barnes Cemetery | Cemetery | 189 | Fulton | 40 32 23 N | 090 24 27 W |
| Barnes Cemetery | Cemetery | 203 | Hancock | 40 25 24 N | 091 08 28 W |
| Barnes Cemetery | Cemetery | 177 | Logan | 40 05 04 N | 089 31 53 W |
| Barnes Cemetery | Cemetery | 207 | Marshall | 40 57 05 N | 089 18 21 W |
| Barnes Cemetery | Cemetery | 276 | McLean | 40 24 29 N | 088 41 35 W |
| Barnes Creek | Stream | | Massac | 37 13 55 N | 088 41 54 W |
| Barnes Hall | Building | 251 | Winnebago | 42 16 17 N | 089 01 06 W |
| Barnes Hall (historical) | Building | 228 | Winnebago | 42 15 45 N | 089 05 29 W |
| Barnes House (historical) | Building | 182 | Cook | 41 53 04 N | 087 38 23 W |
| Barnes Lake | Reservoir | 177 | Marshall | 41 01 06 N | 089 22 24 W |
| Barnes Lake Dam | Dam | 177 | Marshall | 41 01 06 N | 089 22 24 W |
| Barnes Landing Strip | Airport | 222 | Ford | 40 24 48 N | 088 19 28 W |
| Barnes Park | Park | 182 | Cook | 41 40 43 N | 087 43 46 W |
| Barnes School (historical) | School | 131 | Franklin | 37 57 38 N | 088 58 10 W |