Feature Name | Class | Elev. meters | County | Latitude DMS | Longitude DMS |
| Clear Creek Post Office (historical) | Post Office | 207 | Allamakee | 43 26 20 N | 091 25 13 W |
| Clear Creek Wildlife Management Area | Park | 219 | Allamakee | 43 27 50 N | 091 25 00 W |
| Cleveland Post Office (historical) | Post Office | 309 | Allamakee | 43 09 40 N | 091 29 31 W |
| Cleyeland | Locale | 292 | Allamakee | 43 08 26 N | 091 34 01 W |
| Clinton Meyer Park | Park | 366 | Allamakee | 43 05 16 N | 091 34 33 W |
| Connor Post Office (historical) | Post Office | 374 | Allamakee | 43 18 55 N | 091 35 26 W |
| Cora B Darling Elementary and Middle School | School | 362 | Allamakee | 43 04 57 N | 091 34 19 W |
| Cota Creek | Stream | | Allamakee | 43 11 33 N | 091 09 30 W |
| County Care Facility Cemetery | Cemetery | 381 | Allamakee | 43 18 50 N | 091 27 00 W |
| Cummings Plot | Cemetery | 356 | Allamakee | 43 05 30 N | 091 23 00 W |
| Dalby | Populated Place | 385 | Allamakee | 43 15 51 N | 091 16 26 W |
| Dalby Post Office (historical) | Post Office | 385 | Allamakee | 43 15 51 N | 091 16 26 W |
| Delphey Island | Island | 188 | Allamakee | 43 11 35 N | 091 09 09 W |
| District of Capoli School (historical) | School | 329 | Allamakee | 43 19 23 N | 091 11 30 W |
| Dorchester | Populated Place | 225 | Allamakee | 43 28 11 N | 091 30 40 W |
| Dorchester Post Office | Post Office | 230 | Allamakee | 43 28 15 N | 091 30 31 W |
| Dousman Creek | Stream | | Allamakee | 43 05 23 N | 091 12 34 W |
| Dry Hollow Creek | Stream | | Allamakee | 43 07 39 N | 091 19 20 W |
| Duck Creek | Stream | | Allamakee | 43 28 42 N | 091 31 09 W |
| Duck Lake | Lake | 189 | Allamakee | 43 28 32 N | 091 15 12 W |
| Dundee Plot | Cemetery | 363 | Allamakee | 43 13 34 N | 091 26 57 W |
| Eagle Rock | Cliff | 285 | Allamakee | 43 05 30 N | 091 11 10 W |
| East Paint Creek Church | Church | 355 | Allamakee | 43 14 21 N | 091 16 42 W |
| East Paint Creek Synod Cemetery | Cemetery | 355 | Allamakee | 43 14 22 N | 091 16 43 W |
| Eastern Allamakee High School | School | 207 | Allamakee | 43 21 38 N | 091 13 18 W |
| Eastern Allamakee Middle School | School | 210 | Allamakee | 43 21 44 N | 091 13 28 W |
| Ebenezer Cemetery | Cemetery | 372 | Allamakee | 43 14 52 N | 091 24 52 W |
| Eells Plot | Cemetery | 398 | Allamakee | 43 16 30 N | 091 31 01 W |
| Egan | Populated Place | 348 | Allamakee | 43 09 24 N | 091 17 22 W |
| Egan Post Office (historical) | Post Office | 348 | Allamakee | 43 09 24 N | 091 17 22 W |
| Eldergrove | Populated Place | 342 | Allamakee | 43 14 23 N | 091 13 11 W |
| Eldergrove Post Office (historical) | Post Office | 342 | Allamakee | 43 14 23 N | 091 13 11 W |
| Elon | Populated Place | 380 | Allamakee | 43 15 51 N | 091 19 26 W |
| Elon Cemetery | Cemetery | 334 | Allamakee | 43 16 00 N | 091 18 00 W |
| Elon Post Office (historical) | Post Office | 380 | Allamakee | 43 15 51 N | 091 19 26 W |
| English Bench Cemetery | Cemetery | 203 | Allamakee | 43 25 30 N | 091 28 01 W |
| Erickson Spring Branch | Stream | | Allamakee | 43 17 49 N | 091 16 42 W |
| Evergreen Cemetery | Cemetery | 330 | Allamakee | 43 09 47 N | 091 29 34 W |
| Evergreen Cemetery | Cemetery | 356 | Allamakee | 43 12 14 N | 091 25 30 W |
| Faegre Prairie | Area | 331 | Allamakee | 43 19 35 N | 091 18 25 W |
| Faegre Prairie Cemetery | Cemetery | 339 | Allamakee | 43 19 46 N | 091 18 32 W |
| Fandon Post Office (historical) | Post Office | 366 | Allamakee | 43 12 28 N | 091 25 50 W |
| Fire Point | Cliff | 286 | Allamakee | 43 05 40 N | 091 10 50 W |
| First Baptist Church | Church | 385 | Allamakee | 43 16 17 N | 091 28 31 W |
| First Presbyterian Church | Church | 381 | Allamakee | 43 16 09 N | 091 28 45 W |
| Fish Farms Mounds Wildlife Area | Park | 307 | Allamakee | 43 26 52 N | 091 16 56 W |
| Forest Mills Post Office (historical) | Post Office | 289 | Allamakee | 43 09 20 N | 091 27 26 W |
| Forest Mills United Methodist Church | Church | 360 | Allamakee | 43 05 05 N | 091 34 06 W |
| Founders Pond | Lake | 190 | Allamakee | 43 05 10 N | 091 11 45 W |
| French Creek | Stream | | Allamakee | 43 25 37 N | 091 23 19 W |
| French Creek Methodist Cemetery | Cemetery | 329 | Allamakee | 43 24 00 N | 091 25 32 W |
| French Creek Post Office (historical) | Post Office | 206 | Allamakee | 43 24 31 N | 091 24 01 W |
| French Creek Wildlife Management Area | Park | 220 | Allamakee | 43 23 40 N | 091 24 20 W |
| Gethsemane Cemetery | Cemetery | 232 | Allamakee | 43 21 42 N | 091 14 50 W |
| Gethsemane Chapel | Church | 221 | Allamakee | 43 21 41 N | 091 14 47 W |
| Gimmel Lake | Lake | 186 | Allamakee | 43 13 04 N | 091 07 00 W |
| Good Samaritan Center | Hospital | 378 | Allamakee | 43 16 11 N | 091 28 31 W |
| Grace United Methodist Church | Church | 198 | Allamakee | 43 29 48 N | 091 17 22 W |
| Grover Plot | Cemetery | 231 | Allamakee | 43 08 00 N | 091 11 00 W |
| Gundersen Lutheran Vision Center | Hospital | 200 | Allamakee | 43 21 42 N | 091 12 58 W |
| Gundersen Vision Center | Hospital | 378 | Allamakee | 43 16 14 N | 091 28 39 W |
| Hanging Rock | Pillar | 239 | Allamakee | 43 06 30 N | 091 10 50 W |
| Hanover | Populated Place | 375 | Allamakee | 43 21 39 N | 091 31 15 W |
| Hanover Post Office (historical) | Post Office | 375 | Allamakee | 43 21 39 N | 091 31 15 W |
| Hansens Ford Bridge | Bridge | 219 | Allamakee | 43 22 03 N | 091 34 37 W |
| Hardin Cemetery | Cemetery | 350 | Allamakee | 43 05 20 N | 091 29 12 W |
| Harpers Ferry | Locale | 198 | Allamakee | 43 12 12 N | 091 09 07 W |
| Harpers Ferry | Populated Place | 197 | Allamakee | 43 12 02 N | 091 09 11 W |
| Harpers Ferry Bluffview | Locale | 196 | Allamakee | 43 12 08 N | 091 09 16 W |
| Harpers Ferry Cemetery | Cemetery | 199 | Allamakee | 43 11 35 N | 091 09 27 W |
| Harpers Ferry City Library | Building | 199 | Allamakee | 43 12 02 N | 091 09 05 W |
| Harpers Ferry City Park | Park | 198 | Allamakee | 43 12 00 N | 091 09 00 W |
| Harpers Ferry Post Office | Post Office | 199 | Allamakee | 43 12 02 N | 091 09 05 W |
| Harpers Slough | Channel | 186 | Allamakee | 43 12 07 N | 091 08 36 W |
| Hayes Lake Roadside Park | Park | 195 | Allamakee | 43 28 44 N | 091 18 10 W |
| Hecker Creek | Stream | | Allamakee | 43 08 18 N | 091 34 06 W |
| Heminway Cemetery | Cemetery | 205 | Allamakee | 43 21 40 N | 091 13 10 W |
| Henderson Island | Island | 189 | Allamakee | 43 28 36 N | 091 13 40 W |
| Heytmans Station | Locale | 317 | Allamakee | 43 18 05 N | 091 07 24 W |
| Hickory Creek | Stream | | Allamakee | 43 07 20 N | 091 23 29 W |
| Holy Cross Cemetery | Cemetery | 200 | Allamakee | 43 28 00 N | 091 20 30 W |
| Howard District School (historical) | School | 392 | Allamakee | 43 19 06 N | 091 27 07 W |
| Immaculate Conception Church | Church | 210 | Allamakee | 43 21 44 N | 091 13 27 W |
| Immaculate Conception Church | Church | 230 | Allamakee | 43 16 16 N | 091 08 09 W |
| Independent Order of Odd Fellows Cemetery | Cemetery | 354 | Allamakee | 43 10 42 N | 091 22 25 W |
| Indian Prairie District School (historical) | School | 281 | Allamakee | 43 16 30 N | 091 14 45 W |
| Interstate Power Fishing Access Area | Locale | 190 | Allamakee | 43 20 15 N | 091 10 20 W |
| Ion | Populated Place | 208 | Allamakee | 43 06 46 N | 091 15 43 W |
| Ion Methodist Cemetery | Cemetery | 240 | Allamakee | 43 06 57 N | 091 15 38 W |
| Ion Post Office (historical) | Post Office | 208 | Allamakee | 43 06 46 N | 091 15 43 W |
| Iowa River Cemetery | Cemetery | 343 | Allamakee | 43 25 16 N | 091 36 05 W |
| Irish Hollow Creek | Stream | | Allamakee | 43 27 30 N | 091 19 40 W |
| Iverson Bottoms Wildlife Management Area | Park | 303 | Allamakee | 43 24 50 N | 091 35 01 W |
| Jackson Island | Island | 187 | Allamakee | 43 10 24 N | 091 08 46 W |
| Japan Slough | Channel | 187 | Allamakee | 43 10 20 N | 091 09 17 W |
| Johnsons Port | Locale | 187 | Allamakee | 43 07 54 N | 091 10 50 W |
| Jones Creek | Stream | | Allamakee | 43 17 50 N | 091 21 33 W |
| Joyce Lake | Lake | 186 | Allamakee | 43 12 52 N | 091 07 58 W |
| Kains Lake Wildlife Management Area | Park | 195 | Allamakee | 43 27 30 N | 091 16 35 W |
| Kains Siding | Locale | 197 | Allamakee | 43 26 27 N | 091 16 07 W |
| Kingdom Hall | Church | 373 | Allamakee | 43 14 27 N | 091 30 25 W |
| KNEI-AM (Waukon) | Tower | 337 | Allamakee | 43 17 13 N | 091 28 07 W |
| KNEI-FM (Waukon) | Tower | 355 | Allamakee | 43 17 32 N | 091 27 35 W |
| Lansing | Locale | 192 | Allamakee | 43 21 25 N | 091 12 43 W |
| Lansing | Populated Place | 206 | Allamakee | 43 21 44 N | 091 12 59 W |
| Lansing Big Lake Public Hunting Area | Park | 189 | Allamakee | 43 24 04 N | 091 13 03 W |
| Lansing City Library | Building | 209 | Allamakee | 43 21 42 N | 091 13 10 W |
| Lansing Clinic | Hospital | 207 | Allamakee | 43 21 44 N | 091 13 07 W |
| Lansing Dental Clinic | Hospital | 200 | Allamakee | 43 21 42 N | 091 12 58 W |
| Lansing Fire Station | Building | 206 | Allamakee | 43 21 44 N | 091 12 59 W |