Feature Name | Class | Elev. meters | County | Latitude DMS | Longitude DMS |
| KWBG-FM (Boone) | Tower | 320 | Boone | 41 58 49 N | 093 44 24 W |
| KWDM-FM (West Des Moines) | Tower | 294 | Polk | 41 35 25 N | 093 45 11 W |
| KWGG-FM (Hampton) | Tower | 362 | Franklin | 42 49 45 N | 093 11 11 W |
| KWIT-FM (Sioux City) | Tower | 384 | Woodbury | 42 28 56 N | 096 15 31 W |
| KWKY-AM (Des Moines) | Tower | 250 | Warren | 41 27 07 N | 093 40 45 W |
| KWLC-AM (Decorah) | Tower | 265 | Winneshiek | 43 18 38 N | 091 48 42 W |
| KWLO-AM (Waterloo) | Tower | 256 | Black Hawk | 42 28 01 N | 092 15 60 W |
| KWMT-AM (Fort Dodge) | Tower | 346 | Webster | 42 29 45 N | 094 12 28 W |
| KWOF-AM (Waterloo) | Tower | 266 | Black Hawk | 42 28 56 N | 092 16 17 W |
| KWPC-AM (Muscatine) | Tower | 213 | Muscatine | 41 26 43 N | 091 04 37 W |
| KWPC-KFMH Radio Tower | Tower | 218 | Muscatine | 41 26 35 N | 091 04 31 W |
| KWQC-TV (Davenport) | Tower | 203 | Scott | 41 32 49 N | 090 28 35 W |
| KWQC-TV Tower | Tower | 207 | Scott | 41 31 42 N | 090 34 21 W |
| KWWL-TV (Waterloo) | Tower | 297 | Buchanan | 42 24 04 N | 091 50 44 W |
| KXEL-AM (Waterloo) | Tower | 292 | Tama | 42 10 46 N | 092 18 16 W |
| KXIA-FM (Marshalltown) | Tower | 299 | Marshall | 42 01 19 N | 092 59 52 W |
| KXIC-AM (Iowa City) | Tower | 219 | Johnson | 41 41 15 N | 091 32 40 W |
| KXKT-FM (Atlantic) | Tower | 403 | Pottawattamie | 41 23 53 N | 095 28 18 W |
| KXLQ-AM (Indianola) | Tower | 295 | Warren | 41 21 24 N | 093 35 17 W |
| KXOF-FM (Bloomfield) | Tower | 257 | Davis | 40 46 42 N | 092 23 49 W |
| KYFR-AM (Shenandoah) | Tower | 312 | Page | 40 37 22 N | 095 14 43 W |
| KYIN-TV (Mason City) | Tower | 376 | Mitchell | 43 22 20 N | 092 49 60 W |
| Kyle Wildlife Area | Park | 317 | Butler | 42 50 60 N | 092 57 11 W |
| Kyles Ame Zion Church | Church | 287 | Polk | 41 35 37 N | 093 38 26 W |
| KYRS-FM (Chariton) | Tower | 303 | Lucas | 41 00 50 N | 093 17 24 W |
| KYTC-FM (Northwood) | Tower | 381 | Worth | 43 29 18 N | 093 14 13 W |
| KZEV-FM (Clear Lake) | Tower | 375 | Cerro Gordo | 43 03 58 N | 093 22 54 W |
| KZJB-TV (Newton) | Tower | 303 | Jasper | 41 49 02 N | 092 55 12 W |
| KZZL-FM (LeMars) | Tower | 384 | Woodbury | 42 28 56 N | 096 15 31 W |
| L D F Community School | School | 287 | Marshall | 41 56 09 N | 092 52 02 W |
| L D F Community School | School | 284 | Marshall | 41 56 30 N | 092 47 54 W |
| L Esmay Slough | Stream | | Jackson | 42 04 35 N | 090 10 27 W |
| L Laire Property Cemetery | Cemetery | 358 | Montgomery | 41 05 45 N | 095 13 21 W |
| La Crew | Populated Place | 216 | Lee | 40 44 00 N | 091 35 02 W |
| La Crew Post Office (historical) | Post Office | 218 | Lee | 40 43 30 N | 091 36 11 W |
| La Fayette Post Office (historical) | Post Office | 261 | Linn | 42 08 32 N | 091 40 02 W |
| La Grange Cemetery | Cemetery | 306 | Lucas | 41 00 10 N | 093 05 56 W |
| La Grange Post Office (historical) | Post Office | 309 | Lucas | 41 00 05 N | 093 06 09 W |
| La Hart State Public Hunting Area | Park | 280 | Monroe | 41 05 30 N | 092 57 01 W |
| La Hoyt (historical) | Locale | 219 | Henry | 40 58 40 N | 091 37 01 W |
| La Mar School | School | 299 | Monroe | 40 57 12 N | 092 57 20 W |
| La Moille Post Office (historical) | Post Office | 295 | Marshall | 42 01 50 N | 093 02 19 W |
| La Motte | Populated Place | 282 | Jackson | 42 17 45 N | 090 37 15 W |
| La Motte (historical) | Locale | 281 | Jackson | 42 17 45 N | 090 37 14 W |
| La Motte Post Office | Post Office | 280 | Jackson | 42 17 44 N | 090 37 14 W |
| La Porte City | Locale | 247 | Black Hawk | 42 18 50 N | 092 11 01 W |
| La Porte City | Populated Place | 253 | Black Hawk | 42 18 54 N | 092 11 32 W |
| La Porte City Clinic | Hospital | 252 | Black Hawk | 42 19 10 N | 092 11 53 W |
| La Porte City Elementary School | School | 250 | Black Hawk | 42 18 30 N | 092 11 25 W |
| La Porte City Hall | Building | 253 | Black Hawk | 42 18 55 N | 092 11 32 W |
| La Porte City Nursing and Rehabilitation Center | Hospital | 263 | Black Hawk | 42 19 19 N | 092 12 11 W |
| La Porte City Police Department | Building | 253 | Black Hawk | 42 18 55 N | 092 11 32 W |
| La Porte City Post Office | Post Office | 250 | Black Hawk | 42 18 55 N | 092 11 24 W |
| La Porte Fire Station | Building | 253 | Black Hawk | 42 18 55 N | 092 11 32 W |
| La Yerba Post Office (historical) | Post Office | 329 | Hardin | 42 28 21 N | 093 02 43 W |
| Lab of Mechanics | Building | 292 | Story | 42 01 34 N | 093 39 01 W |
| Lacelle | Populated Place | 348 | Clarke | 40 57 05 N | 093 51 59 W |
| Lacelle Cemetery | Cemetery | 342 | Clarke | 40 56 41 N | 093 52 09 W |
| Lacelle Post Office (historical) | Post Office | 345 | Clarke | 40 57 04 N | 093 51 57 W |
| Lacey | Locale | 258 | Mahaska | 41 24 03 N | 092 38 25 W |
| Lacey | Populated Place | 258 | Mahaska | 41 24 03 N | 092 38 25 W |
| Lacey Cemetery | Cemetery | 278 | Warren | 41 19 00 N | 093 25 01 W |
| Lacey Cemetery | Cemetery | 299 | Wayne | 40 47 43 N | 093 12 50 W |
| Lacey Post Office (historical) | Post Office | 258 | Mahaska | 41 24 03 N | 092 38 25 W |
| Lacey Post Office (historical) | Post Office | 183 | Muscatine | 41 27 05 N | 091 16 17 W |
| Lacey United Methodist Church | Church | 257 | Mahaska | 41 24 04 N | 092 38 23 W |
| Lacey-Keosauqua State Park | Park | 222 | Van Buren | 40 42 37 N | 091 58 54 W |
| Lacona | Populated Place | 265 | Warren | 41 11 23 N | 093 22 59 W |
| Lacona (historical) | Locale | 254 | Warren | 41 11 23 N | 093 23 14 W |
| Lacona Bible Baptist Church | Church | 265 | Warren | 41 11 23 N | 093 22 59 W |
| Lacona Christian Church | Church | 263 | Warren | 41 11 19 N | 093 23 04 W |
| Lacona Community Hall | Building | 265 | Warren | 41 11 23 N | 093 23 04 W |
| Lacona Community Park | Park | 289 | Warren | 41 11 05 N | 093 21 16 W |
| Lacona Elementary School | School | 281 | Warren | 41 11 40 N | 093 23 01 W |
| Lacona Post Office | Post Office | 265 | Warren | 41 11 23 N | 093 22 59 W |
| Lacona Public Library | Building | 265 | Warren | 41 11 23 N | 093 22 59 W |
| Laconia | Locale | 370 | Hancock | 43 03 11 N | 093 48 10 W |
| Lacrew (historical) | Locale | 218 | Lee | 40 43 30 N | 091 36 11 W |
| Lactin Post Office (historical) | Post Office | 232 | Cedar | 41 37 31 N | 091 02 01 W |
| Lacy Cemetery | Cemetery | 358 | Fremont | 40 47 10 N | 095 41 50 W |
| Laddsdale (historical) | Locale | 193 | Davis | 40 53 58 N | 092 16 37 W |
| Laddsdale Post Office (historical) | Post Office | 193 | Davis | 40 53 58 N | 092 16 37 W |
| Ladoga | Populated Place | 374 | Taylor | 40 44 30 N | 094 47 43 W |
| Ladoga (historical) | Locale | 376 | Taylor | 40 44 34 N | 094 47 31 W |
| Ladoga Cemetery | Cemetery | 368 | Taylor | 40 45 06 N | 094 47 42 W |
| Ladoga Post Office (historical) | Post Office | 374 | Taylor | 40 44 30 N | 094 47 43 W |
| Ladora | Locale | 240 | Iowa | 41 45 20 N | 092 11 01 W |
| Ladora | Populated Place | 238 | Iowa | 41 45 17 N | 092 11 01 W |
| Ladora Cemetery | Cemetery | 250 | Iowa | 41 44 46 N | 092 10 03 W |
| Ladora City Fire Department | Building | 238 | Iowa | 41 45 17 N | 092 11 01 W |
| Ladora Post Office | Post Office | 238 | Iowa | 41 45 17 N | 092 11 01 W |
| Ladora Town Hall | Building | 238 | Iowa | 41 45 17 N | 092 11 01 W |
| Ladwig Farm Cemetery | Cemetery | 348 | Winneshiek | 43 16 30 N | 092 03 01 W |
| Lafayette | Populated Place | 275 | Linn | 42 08 49 N | 091 40 49 W |
| Lafayette (historical) | Populated Place | 187 | Louisa | 41 17 15 N | 091 21 46 W |
| Lafayette Cemetery | Cemetery | 243 | Keokuk | 41 22 31 N | 092 00 16 W |
| Lafayette Cemetery | Cemetery | 239 | Keokuk | 41 22 28 N | 092 00 17 W |
| Lafayette Cemetery | Cemetery | 269 | Linn | 42 08 42 N | 091 40 36 W |
| Lafayette Park | Park | 256 | Black Hawk | 42 29 24 N | 092 19 07 W |
| Lafayette Park | Park | 217 | Scott | 41 31 42 N | 090 35 00 W |
| Lafayette School | School | 256 | Black Hawk | 42 29 21 N | 092 18 43 W |
| Lage Communication Center | Building | 433 | Buena Vista | 42 38 26 N | 095 12 37 W |
| Lagomarcino Hall | Building | 288 | Story | 42 01 47 N | 093 38 44 W |
| LaGrange School | School | 304 | Lucas | 41 00 00 N | 093 06 57 W |
| Lahey School | School | 277 | Dubuque | 42 31 18 N | 090 52 17 W |
| Lahoyt Post Office (historical) | Post Office | 219 | Henry | 40 58 40 N | 091 37 01 W |
| Lainsville | Populated Place | 184 | Jackson | 42 07 47 N | 090 12 16 W |
| Lake Afton | Reservoir | 353 | Union | 41 02 05 N | 094 12 42 W |
| Lake Ahquabi | Lake | 262 | Warren | 41 17 23 N | 093 35 35 W |
| Lake Ahquabi State Park | Park | 262 | Warren | 41 17 15 N | 093 35 34 W |