Feature Name | Class | Elev. meters | County | Latitude DMS | Longitude DMS |
| Ann Rutledge School | School | 219 | Will | 41 30 18 N | 087 48 33 W |
| Anna | Populated Place | 192 | Union | 37 27 37 N | 089 14 49 W |
| Anna City Hall | Building | 194 | Union | 37 27 38 N | 089 15 03 W |
| Anna District Number 1 Election Precinct | Civil | 165 | Union | 37 28 44 N | 089 15 52 W |
| Anna District Number 2 Election Precinct | Civil | 180 | Union | 37 26 18 N | 089 13 47 W |
| Anna District Number 3 Election Precinct | Civil | 170 | Union | 37 27 21 N | 089 10 30 W |
| Anna District Number 4 Election Precinct | Civil | 173 | Union | 37 28 46 N | 089 12 37 W |
| Anna District Number 5 Election Precinct | Civil | 169 | Union | 37 28 23 N | 089 14 32 W |
| Anna District Number 6 Election Precinct | Civil | 193 | Union | 37 29 08 N | 089 14 41 W |
| Anna Heights Baptist Church | Church | 189 | Union | 37 27 25 N | 089 13 52 W |
| Anna Junior High School | School | 197 | Union | 37 27 40 N | 089 15 08 W |
| Anna McDonald Elementary School | School | 209 | Will | 41 25 11 N | 087 58 57 W |
| Anna Post Office | Post Office | 192 | Union | 37 27 42 N | 089 14 46 W |
| Anna R Page Forest Preserve | Park | 234 | Winnebago | 42 18 27 N | 089 09 00 W |
| Anna State Hospital Reservoir | Reservoir | 127 | Union | 37 28 18 N | 089 17 48 W |
| Anna State Hospital Reservoir Dam | Dam | 131 | Union | 37 28 20 N | 089 17 44 W |
| Anna-Jonesboro High School | School | 199 | Union | 37 27 19 N | 089 15 17 W |
| Annan Grist Mill | Locale | 188 | Whiteside | 41 48 58 N | 089 58 50 W |
| Annapolis | Populated Place | 178 | Crawford | 39 08 40 N | 087 49 00 W |
| Annapolis Christian Church | Church | 176 | Crawford | 39 08 42 N | 087 48 53 W |
| Annapolis Post Office | Post Office | 177 | Crawford | 39 08 40 N | 087 48 58 W |
| Annawan | Populated Place | 192 | Henry | 41 23 50 N | 089 54 16 W |
| Annawan Ditch | Canal | 187 | Henry | 41 24 12 N | 089 53 23 W |
| Annawan Grade School | School | 192 | Henry | 41 23 37 N | 089 54 45 W |
| Annawan High School | School | 192 | Henry | 41 23 37 N | 089 54 40 W |
| Annawan Post Office | Post Office | 193 | Henry | 41 23 48 N | 089 54 28 W |
| Annawan United Methodist Church | Church | 192 | Henry | 41 23 46 N | 089 54 26 W |
| Anne Fox Elementary School | School | 244 | Cook | 42 00 33 N | 088 08 01 W |
| Anne M Jeans Elementary School | School | 217 | DuPage | 41 43 22 N | 087 56 55 W |
| Annex of Arlington Shopping Center | Locale | 214 | Cook | 42 06 48 N | 087 59 01 W |