Feature Name | Class | Elev. meters | County | Latitude DMS | Longitude DMS |
| 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 |
| Elrick Junction | Populated Place | 172 | Louisa | 41 05 55 N | 091 07 04 W |
| Elrick Post Office (historical) | Post Office | 168 | Louisa | 41 05 38 N | 091 06 06 W |
| Eltse Hall | Building | 253 | Mahaska | 41 18 30 N | 092 38 43 W |
| Elvira | Populated Place | 222 | Clinton | 41 51 32 N | 090 21 19 W |
| Elvira Cemetery | Cemetery | 220 | Clinton | 41 51 40 N | 090 21 18 W |
| Elvira Elementary School | School | 220 | Clinton | 41 51 38 N | 090 21 25 W |
| Elvira Post Office (historical) | Post Office | 222 | Clinton | 41 51 32 N | 090 21 19 W |
| Elvira Zion Church | Church | 226 | Clinton | 41 51 29 N | 090 21 12 W |
| Elwell | Locale | 300 | Story | 41 53 10 N | 093 27 47 W |
| Elwell Post Office (historical) | Post Office | 310 | Story | 41 52 42 N | 093 27 47 W |
| Elwood | Populated Place | 225 | Clinton | 41 59 30 N | 090 44 21 W |
| Elwood (historical) | Locale | 224 | Clinton | 41 59 30 N | 090 44 19 W |
| Elwood Cemetery | Cemetery | 227 | Clinton | 41 59 37 N | 090 43 52 W |
| Elwood Creek | Stream | | Clinton | 42 01 57 N | 090 41 54 W |
| Elwood Methodist Church | Church | 225 | Clinton | 41 59 30 N | 090 44 21 W |
| Elwood Post Office | Post Office | 225 | Clinton | 41 59 30 N | 090 44 21 W |
| Ely | Populated Place | 225 | Linn | 41 52 25 N | 091 35 07 W |
| Ely (historical) | Locale | 223 | Linn | 41 52 28 N | 091 35 05 W |
| Ely City Fire Department | Building | 221 | Linn | 41 52 18 N | 091 35 24 W |
| Ely City Hall | Building | 221 | Linn | 41 52 18 N | 091 35 24 W |
| Ely Post Office | Post Office | 224 | Linn | 41 52 23 N | 091 35 13 W |
| Ely Town Bell Historical Marker | Park | 225 | Linn | 41 52 25 N | 091 35 07 W |
| Ely-Bauermeister Wildlife Management Area | Park | 454 | Osceola | 43 25 00 N | 095 36 11 W |
| Elys Creek | Stream | | Van Buren | 40 43 06 N | 091 59 15 W |
| Elza Park | Park | 252 | Linn | 42 01 52 N | 091 35 34 W |
| Emanuel Church of the Nazarene | Church | 299 | Pottawattamie | 41 14 21 N | 095 51 47 W |
| Emanuel Evangelical Lutheran Cemetery | Cemetery | 308 | Bremer | 42 39 37 N | 092 14 16 W |
| Emanuel Lutheran Church | Church | 324 | Pottawattamie | 41 17 10 N | 095 50 12 W |
| Emanuel Lutheran Church | Church | 345 | Webster | 42 15 50 N | 094 04 20 W |
| Embassy Rehabilitation and Care Center | Hospital | 332 | Woodbury | 42 23 50 N | 096 21 16 W |
| Embury Cemetery | Cemetery | 211 | Lee | 40 35 28 N | 091 37 11 W |
| Embury Church | Church | 212 | Lee | 40 35 29 N | 091 37 12 W |
| Emeis Golf Course | Locale | 218 | Scott | 41 33 00 N | 090 38 41 W |
| Emeis Park | Park | 207 | Scott | 41 32 50 N | 090 38 41 W |
| Emeline | Populated Place | 293 | Jackson | 42 09 19 N | 090 49 50 W |
| Emeline Post Office (historical) | Post Office | 293 | Jackson | 42 09 19 N | 090 49 50 W |
| Emerald Hills Golf Club | Locale | 442 | Dickinson | 43 21 23 N | 095 08 25 W |
| Emerald Park | Park | 429 | Buena Vista | 42 38 05 N | 095 14 19 W |
| Emerson | Locale | 321 | Mills | 41 00 57 N | 095 24 05 W |
| Emerson | Populated Place | 323 | Mills | 41 01 02 N | 095 24 08 W |
| Emerson Bay State Recreation Area | Park | 426 | Dickinson | 43 21 20 N | 095 10 24 W |
| Emerson Cemetery | Cemetery | 356 | Mills | 41 01 57 N | 095 24 09 W |
| Emerson City Hall | Building | 323 | Mills | 41 01 02 N | 095 24 08 W |
| Emerson Hough School | School | 286 | Jasper | 41 42 11 N | 093 02 42 W |
| Emerson Park | Park | 370 | Woodbury | 42 27 54 N | 096 20 13 W |
| Emerson Plot | Cemetery | 227 | Lee | 40 48 20 N | 091 27 31 W |
| Emerson Post Office | Post Office | 323 | Mills | 41 01 02 N | 095 24 08 W |
| Emerson Public Library | Building | 323 | Mills | 41 01 02 N | 095 24 08 W |
| Emerson School | School | 267 | Black Hawk | 42 29 33 N | 092 20 54 W |
| Emerson School | School | 259 | Linn | 42 02 12 N | 091 35 36 W |
| Emerson School | School | 290 | Warren | 41 21 54 N | 093 32 53 W |
| Emerson School | School | 362 | Woodbury | 42 29 48 N | 096 26 27 W |
| Emersons Bay | Bay | 426 | Dickinson | 43 21 26 N | 095 10 13 W |
| Emery | Locale | 356 | Cerro Gordo | 43 08 02 N | 093 16 41 W |
| Emery | Populated Place | 357 | Cerro Gordo | 43 08 01 N | 093 16 49 W |
| Emery Creek | Stream | | Lyon | 43 19 28 N | 096 06 57 W |
| Emery Post Office (historical) | Post Office | 357 | Cerro Gordo | 43 08 01 N | 093 16 49 W |
| Emigrant Creek | Stream | | Crawford | 42 04 16 N | 095 35 40 W |
| Emma Goldman Clinic for Women | Hospital | 213 | Johnson | 41 39 51 N | 091 32 01 W |
| Emma Sater Park | Park | 414 | Lyon | 43 25 53 N | 096 09 20 W |
| Emma Young Park | Park | 214 | Clinton | 41 51 16 N | 090 13 11 W |
| Emmanuel Baptist Church | Church | 249 | Mahaska | 41 17 13 N | 092 37 07 W |
| Emmanuel Baptist Church | Church | 290 | Polk | 41 31 33 N | 093 37 34 W |
| Emmanuel Baptist Church | Church | 339 | Webster | 42 30 02 N | 094 10 20 W |
| Emmanuel Cemetery | Cemetery | 207 | Clinton | 41 46 15 N | 090 43 24 W |
| Emmanuel Cemetery | Cemetery | 276 | Polk | 41 35 30 N | 093 38 56 W |
| Emmanuel Cemetery | Cemetery | 402 | Sac | 42 14 21 N | 095 01 22 W |
| Emmanuel Church of God in Christ | Church | 254 | Polk | 41 37 50 N | 093 36 40 W |
| Emmanuel Church of God in Christ | Church | 257 | Polk | 41 36 09 N | 093 35 37 W |
| Emmanuel Evangelican Cemetery | Cemetery | 421 | Crawford | 41 53 20 N | 095 19 01 W |
| Emmanuel Lutheran Cemetery | Cemetery | 377 | Sac | 42 22 09 N | 094 52 39 W |
| Emmanuel Lutheran Church | Church | 409 | Adair | 41 17 31 N | 094 33 42 W |
| Emmanuel Lutheran Church | Church | 362 | Clayton | 42 41 16 N | 091 32 06 W |
| Emmanuel Lutheran Church | Church | 333 | Page | 40 45 16 N | 095 21 39 W |
| Emmanuel Lutheran Church | Church | 375 | Worth | 43 19 48 N | 093 04 10 W |
| Emmanuel Presbyterian Church | Church | 384 | Sac | 42 15 13 N | 095 01 18 W |
| Emmanuel Reformed Church | Church | 204 | Clinton | 41 46 22 N | 090 49 39 W |
| Emmanuel United Methodist Church | Church | 272 | Dallas | 41 45 39 N | 093 49 23 W |
| Emmanuel United Methodist Church | Church | 335 | Fayette | 42 46 30 N | 091 52 51 W |
| Emmanuel United Methodist Church | Church | 178 | Lee | 40 24 00 N | 091 23 27 W |
| Emmaus Bible College | School | 269 | Dubuque | 42 30 33 N | 090 42 18 W |
| Emmaus Community Church | Church | 287 | Polk | 41 35 31 N | 093 38 19 W |
| Emmet County | Civil | 392 | Emmet | 43 22 28 N | 094 40 01 W |
| Emmet County Courthouse | Building | 396 | Emmet | 43 24 12 N | 094 50 10 W |
| Emmet County Historical Society Museum | Building | 398 | Emmet | 43 23 53 N | 094 49 16 W |
| Emmet County Home | Locale | 393 | Emmet | 43 21 15 N | 094 48 33 W |
| Emmet County Sheriffs Office | Building | 396 | Emmet | 43 24 12 N | 094 50 09 W |
| Emmet Post Office (historical) | Post Office | 418 | Emmet | 43 27 37 N | 094 50 34 W |
| Emmetsburg | Locale | 375 | Palo Alto | 43 06 30 N | 094 40 26 W |
| Emmetsburg | Populated Place | 377 | Palo Alto | 43 06 46 N | 094 40 59 W |
| Emmetsburg Care Center | Hospital | 375 | Palo Alto | 43 06 05 N | 094 40 56 W |
| Emmetsburg Chiropractic Clinic | Hospital | 375 | Palo Alto | 43 06 45 N | 094 40 49 W |
| Emmetsburg City Hall | Building | 377 | Palo Alto | 43 06 45 N | 094 40 40 W |
| Emmetsburg Eye Care Center | Hospital | 376 | Palo Alto | 43 06 45 N | 094 40 46 W |
| Emmetsburg Golf and Country Club | Locale | 376 | Palo Alto | 43 07 23 N | 094 40 53 W |
| Emmetsburg Grain Company Elevator | Locale | 377 | Palo Alto | 43 06 30 N | 094 40 45 W |
| Emmetsburg High School | School | 378 | Palo Alto | 43 07 04 N | 094 41 34 W |
| Emmetsburg Medical Surgical Clinic | Hospital | 372 | Palo Alto | 43 06 42 N | 094 40 60 W |
| Emmetsburg Middle School | School | 375 | Palo Alto | 43 06 40 N | 094 40 55 W |
| Emmetsburg Municipal Airport | Airport | 367 | Palo Alto | 43 06 07 N | 094 42 16 W |
| Emmetsburg Post Office | Post Office | 379 | Palo Alto | 43 06 39 N | 094 40 47 W |
| Emmetsburg Public Library | Building | 378 | Palo Alto | 43 06 49 N | 094 41 20 W |
| Emna (historical) | Locale | 322 | Dubuque | 42 17 48 N | 090 44 10 W |
| Emna Post Office (historical) | Post Office | 322 | Dubuque | 42 17 48 N | 090 44 10 W |
| Empire | Locale | 378 | Wright | 42 41 06 N | 093 39 54 W |
| Empire Post Office (historical) | Post Office | 378 | Wright | 42 39 43 N | 093 39 14 W |
| Energy Post Office (historical) | Post Office | 259 | Black Hawk | 42 23 60 N | 092 04 59 W |