Feature Name | Class | Elev. meters | County | Latitude DMS | Longitude DMS |
| Hennepin Canal Parkway State Park | Park | 197 | Bureau | 41 22 44 N | 089 41 29 W |
| Hennepin Canal Parkway State Park | Park | 193 | Lee | 41 47 30 N | 089 37 22 W |
| Hennepin Canyon | Valley | | La Salle | 41 18 38 N | 088 57 15 W |
| Hennepin Feeder Canal | Canal | 193 | Whiteside | 41 35 53 N | 089 45 31 W |
| Hennepin United Methodist Church | Church | 154 | Putnam | 41 15 14 N | 089 20 29 W |
| Henney School | School | 248 | Stephenson | 42 17 37 N | 089 36 47 W |
| Henning | Populated Place | 209 | Vermilion | 40 18 18 N | 087 42 03 W |
| Henning High School | School | 209 | Vermilion | 40 18 35 N | 087 42 07 W |
| Henning School (historical) | School | 256 | Henry | 41 18 24 N | 089 52 33 W |
| Henninger Hall | Building | 199 | McDonough | 40 28 17 N | 090 40 42 W |
| Henpeck | Locale | 290 | Kane | 42 07 22 N | 088 28 53 W |
| Henrietta (historical) | Locale | 247 | DeKalb | 42 05 45 N | 088 44 12 W |
| Henrietta Park | Park | 226 | Winnebago | 42 16 19 N | 089 07 38 W |
| Henrietta School | School | 248 | Winnebago | 42 16 41 N | 089 07 33 W |
| Henrotin Hospital | Hospital | 180 | Cook | 41 54 01 N | 087 37 55 W |
| Henry | Populated Place | 150 | Marshall | 41 06 41 N | 089 21 23 W |
| Henry Administration Building | Building | 223 | Champaign | 40 06 30 N | 088 13 42 W |
| Henry Airport | Airport | 224 | Macon | 39 48 35 N | 088 44 54 W |
| Henry Allan Gleason Nature Preserve | Park | 155 | Mason | 40 22 34 N | 089 55 47 W |
| Henry B Clarke House | Building | 181 | Cook | 41 51 21 N | 087 37 19 W |
| Henry Cemetery | Cemetery | 161 | Marshall | 41 07 24 N | 089 22 19 W |
| Henry Cemetery | Cemetery | 210 | Morgan | 39 36 00 N | 090 09 55 W |
| Henry Cemetery | Cemetery | 169 | Pike | 39 24 51 N | 090 49 53 W |
| Henry County | Civil | 220 | Henry | 41 21 00 N | 090 09 00 W |
| Henry County Fairgrounds | Locale | 239 | Henry | 41 18 30 N | 090 11 10 W |
| Henry Creek | Stream | | Morgan | 39 37 36 N | 090 16 05 W |
| Henry Creek | Stream | | Peoria | 40 56 01 N | 089 31 33 W |
| Henry Creek | Stream | | Shelby | 39 11 53 N | 088 32 03 W |
| Henry Crown Sports Pavilion | Building | 178 | Cook | 42 03 34 N | 087 40 24 W |
| Henry DeTonty Woods | Woods | 190 | Cook | 41 42 46 N | 087 54 23 W |
| Henry E Legler Regional Branch Chicago Public Library | Building | 184 | Cook | 41 52 46 N | 087 43 31 W |
| Henry Ford II School | School | 188 | Cook | 41 41 43 N | 087 46 19 W |
| Henry George School of Social Science | School | 180 | Cook | 41 57 18 N | 087 42 01 W |
| Henry Hinds Laboratory for the Geophysical Sciences | Building | 180 | Cook | 41 47 25 N | 087 36 06 W |
| Henry Pfeiffer Library | Building | 179 | Morgan | 39 43 51 N | 090 13 26 W |
| Henry Prosel Park | Park | 185 | Cook | 42 00 29 N | 087 44 11 W |
| Henry Puffer School | School | 226 | DuPage | 41 47 55 N | 088 02 20 W |
| Henry Scarborough Hall | Building | 257 | Winnebago | 42 16 15 N | 089 01 06 W |
| Henry School | School | 181 | Cook | 41 57 31 N | 087 42 57 W |
| Henry School (historical) | School | 266 | Ogle | 41 57 37 N | 089 34 45 W |
| Henry School (historical) | School | 215 | Peoria | 40 56 39 N | 089 47 37 W |
| Henry Street Park | Park | 131 | Madison | 38 53 11 N | 090 10 31 W |
| Henry W Austin Branch Chicago Public Library | Building | 188 | Cook | 41 53 20 N | 087 45 57 W |
| Henry W Cowherd Middle School | School | 216 | Kane | 41 45 48 N | 088 16 51 W |
| Henry Winkelman Elementary School | School | 208 | Cook | 42 05 39 N | 087 51 25 W |
| Henry-Senachwine Grade School | School | 149 | Marshall | 41 07 00 N | 089 21 05 W |
| Henry-Senachwine High School | School | 156 | Marshall | 41 06 57 N | 089 22 05 W |
| Henshaw Cemetery | Cemetery | 149 | Williamson | 37 38 26 N | 088 44 17 W |
| Henshaw School (historical) | School | 149 | Saline | 37 38 26 N | 088 44 19 W |
| Hensley School | School | 235 | Champaign | 40 11 10 N | 088 16 36 W |
| Henson Cemetery | Cemetery | 125 | Jackson | 37 39 46 N | 089 29 07 W |
| Henson Cemetery | Cemetery | 156 | Wayne | 38 33 15 N | 088 38 20 W |
| Henson Elementary School | School | 183 | Cook | 41 51 49 N | 087 43 17 W |
| Henson Pond | Lake | 190 | Douglas | 39 44 46 N | 088 10 26 W |
| Henton | Populated Place | 190 | Shelby | 39 27 49 N | 088 54 16 W |
| Henton Cemetery | Cemetery | 189 | Shelby | 39 27 54 N | 088 54 21 W |
| Henton School (historical) | School | 197 | Moultrie | 39 33 26 N | 088 29 59 W |
| Hentzels Lake | Lake | 113 | St. Clair | 38 15 28 N | 089 54 19 W |
| Henze School (historical) | School | 277 | Stephenson | 42 24 58 N | 089 25 10 W |
| Hephzibah Childrens Home | Building | 192 | Cook | 41 53 15 N | 087 47 58 W |
| Hephzibah Christian Academy | School | 182 | Cook | 41 42 40 N | 087 37 24 W |
| Hepp Airport | Airport | 154 | Perry | 38 02 01 N | 089 34 45 W |
| Herald | Populated Place | 129 | White | 37 57 59 N | 088 10 53 W |
| Herald Cemetery | Cemetery | 124 | White | 37 58 05 N | 088 11 04 W |
| Herald Square | Park | 181 | Cook | 41 53 13 N | 087 37 37 W |
| Herbert | Populated Place | 266 | Boone | 42 09 17 N | 088 46 34 W |
| Herbert C Maas Airport | Airport | 214 | Lake | 42 28 20 N | 087 54 30 W |
| Herbert Elementary School | School | 180 | Cook | 41 52 46 N | 087 40 50 W |
| Herborn | Populated Place | 193 | Shelby | 39 18 09 N | 088 37 44 W |
| Herche Cemetery | Cemetery | 175 | Schuyler | 40 02 42 N | 090 37 17 W |
| Hereford Park | Park | 174 | Rock Island | 41 31 43 N | 090 25 42 W |
| Herget | Locale | 163 | Tazewell | 40 24 00 N | 089 37 26 W |
| Herget Bottoms | Flat | 145 | Mason | 40 08 39 N | 089 51 54 W |
| Herget Drainage Ditch | Canal | 143 | Mason | 40 09 17 N | 089 53 52 W |
| Herget Grove School (historical) | School | 150 | Mason | 40 09 35 N | 089 54 18 W |
| Heritage Church | Church | 236 | Winnebago | 42 26 52 N | 089 00 03 W |
| Heritage Elementary School | School | 249 | Cook | 42 00 27 N | 088 10 17 W |
| Heritage Elementary School-Broadlands | School | 208 | Champaign | 39 54 25 N | 087 59 38 W |
| Heritage Elementary School-Homer | School | 206 | Champaign | 40 02 12 N | 087 57 56 W |
| Heritage Farm Ponds Park | Park | 214 | DuPage | 41 46 12 N | 088 05 16 W |
| Heritage Farms N Ponds Park | Park | 212 | DuPage | 41 46 27 N | 088 05 15 W |
| Heritage High School | School | 208 | Champaign | 39 54 25 N | 087 59 36 W |
| Heritage Junior High School | School | 206 | Champaign | 40 02 12 N | 087 57 53 W |
| Heritage Lake | Lake | 234 | DuPage | 41 56 10 N | 088 09 30 W |
| Heritage Lake | Reservoir | 187 | Tazewell | 40 32 48 N | 089 20 30 W |
| Heritage Lake Dam | Dam | 187 | Tazewell | 40 32 48 N | 089 20 30 W |
| Heritage Lake Park | Park | 235 | DuPage | 41 56 18 N | 088 09 23 W |
| Heritage Lakes Elementary School | School | 237 | DuPage | 41 56 00 N | 088 09 14 W |
| Heritage Manor Nursing Home | Hospital | 225 | La Salle | 41 33 13 N | 089 06 27 W |
| Heritage Manor Nursing Home | Hospital | 191 | Livingston | 41 05 41 N | 088 25 23 W |
| Heritage Middle School | School | 186 | Cook | 41 32 44 N | 087 32 23 W |
| Heritage Museum | Building | 188 | Cook | 42 01 37 N | 087 45 20 W |
| Heritage Park | Park | 222 | Champaign | 40 07 27 N | 088 17 05 W |
| Heritage Park | Park | 196 | Cook | 41 32 44 N | 087 39 05 W |
| Heritage Park | Park | 211 | Cook | 41 38 06 N | 087 50 37 W |
| Heritage Park | Park | 219 | Cook | 42 03 21 N | 087 59 22 W |
| Heritage Park | Park | 195 | Cook | 42 08 05 N | 087 55 09 W |
| Heritage Park | Park | 201 | Cook | 41 37 14 N | 087 45 05 W |
| Heritage Park | Park | 236 | DuPage | 41 58 15 N | 088 08 17 W |
| Heritage Park | Park | 189 | Effingham | 39 03 48 N | 088 44 55 W |
| Heritage Park | Park | 183 | Whiteside | 41 39 45 N | 090 05 13 W |
| Heritage Park | Park | 225 | Winnebago | 42 16 35 N | 089 05 40 W |
| Heritage Plaza Shopping Center | Locale | 215 | Cook | 41 33 22 N | 087 43 00 W |
| Heritage Plaza Shopping Center | Locale | 240 | DuPage | 41 56 22 N | 088 08 49 W |
| Heritage Plaza Shopping Center | Locale | 177 | Logan | 40 09 35 N | 089 23 23 W |
| Heritage Science Center | Building | 189 | Cook | 41 40 07 N | 087 47 04 W |
| Heritage Wesleyan Church | Church | 178 | Rock Island | 41 28 09 N | 090 27 47 W |
| Heritage West | Populated Place | 223 | Kane | 41 49 35 N | 088 20 55 W |
| Heritage Woods | Woods | 214 | DuPage | 41 46 48 N | 088 10 07 W |
| Herman Hill | Summit | 160 | Pope | 37 25 33 N | 088 25 29 W |