Feature Name | Class | Elev. meters | County | Latitude DMS | Longitude DMS |
| Saint Johns Church | Church | 269 | Jones | 42 12 26 N | 091 08 31 W |
| Saint Johns Church | Church | 317 | Marshall | 42 04 02 N | 093 10 13 W |
| Saint Johns Church | Church | 357 | Mills | 41 04 23 N | 095 32 15 W |
| Saint Johns Church | Church | 328 | Mitchell | 43 13 26 N | 092 50 44 W |
| Saint Johns Church | Church | 366 | Mitchell | 43 19 40 N | 092 59 04 W |
| Saint Johns Church | Church | 421 | Plymouth | 42 50 13 N | 096 22 47 W |
| Saint Johns Church | Church | 371 | Pocahontas | 42 37 50 N | 094 31 23 W |
| Saint Johns Church | Church | 378 | Pottawattamie | 41 27 43 N | 095 47 46 W |
| Saint Johns Church | Church | 428 | Sioux | 42 57 31 N | 096 15 14 W |
| Saint Johns Church | Church | 344 | Webster | 42 32 41 N | 094 03 13 W |
| Saint Johns Church | Church | 355 | Wright | 42 51 21 N | 093 48 44 W |
| Saint Johns Church of Christ Cemetery | Cemetery | 394 | Buena Vista | 42 42 39 N | 095 02 35 W |
| Saint Johns Church of Christ Church | Church | 395 | Buena Vista | 42 42 42 N | 095 02 35 W |
| Saint Johns Congregational Church | Church | 202 | Clayton | 42 44 31 N | 091 15 43 W |
| Saint Johns Episcopal Church | Church | 346 | Cerro Gordo | 43 09 11 N | 093 11 53 W |
| Saint Johns Episcopal Church | Church | 179 | Clinton | 41 50 34 N | 090 11 24 W |
| Saint Johns Episcopal Church | Church | 194 | Dubuque | 42 30 23 N | 090 40 10 W |
| Saint Johns Episcopal Church | Church | 305 | Page | 40 45 46 N | 095 22 16 W |
| Saint Johns Evangelical Cemetery | Cemetery | 269 | Jones | 42 12 28 N | 091 08 32 W |
| Saint Johns Evangelical Lutheran Cemetery | Cemetery | 308 | Bremer | 42 45 19 N | 092 08 28 W |
| Saint Johns Evangelical Lutheran Cemetery | Cemetery | 430 | Sioux | 42 57 31 N | 096 15 18 W |
| Saint Johns Evangelical Lutheran Church | Church | 396 | Audubon | 41 42 50 N | 094 55 40 W |
| Saint Johns Evangelical Lutheran Church | Church | 294 | Black Hawk | 42 35 05 N | 092 15 25 W |
| Saint Johns German Lutheran Cemetery | Cemetery | 340 | Chickasaw | 43 03 49 N | 092 08 46 W |
| Saint Johns German Lutheran Cemetery | Cemetery | 236 | Johnson | 41 33 15 N | 091 40 06 W |
| Saint Johns Hospital | Hospital | 209 | Scott | 41 32 38 N | 090 35 30 W |
| Saint Johns Lutheran Cemetery | Cemetery | 287 | Benton | 41 59 36 N | 092 00 35 W |
| Saint Johns Lutheran Cemetery | Cemetery | 296 | Black Hawk | 42 35 05 N | 092 15 28 W |
| Saint Johns Lutheran Cemetery | Cemetery | 326 | Bremer | 42 51 47 N | 092 24 26 W |
| Saint Johns Lutheran Cemetery | Cemetery | 315 | Bremer | 42 44 38 N | 092 18 09 W |
| Saint Johns Lutheran Cemetery | Cemetery | 308 | Bremer | 42 41 06 N | 092 18 05 W |
| Saint Johns Lutheran Cemetery | Cemetery | 405 | Buena Vista | 42 43 12 N | 094 59 40 W |
| Saint Johns Lutheran Cemetery | Cemetery | 405 | Buena Vista | 42 43 12 N | 094 59 39 W |
| Saint Johns Lutheran Cemetery | Cemetery | 418 | Crawford | 42 10 41 N | 095 15 53 W |
| Saint Johns Lutheran Cemetery | Cemetery | 228 | Dubuque | 42 31 53 N | 090 48 49 W |
| Saint Johns Lutheran Cemetery | Cemetery | 381 | Emmet | 43 18 04 N | 094 28 55 W |
| Saint Johns Lutheran Cemetery | Cemetery | 391 | Franklin | 42 43 11 N | 093 20 24 W |
| Saint Johns Lutheran Cemetery | Cemetery | 189 | Jackson | 42 14 26 N | 090 24 43 W |
| Saint Johns Lutheran Cemetery | Cemetery | 222 | Jefferson | 41 01 30 N | 091 46 01 W |
| Saint Johns Lutheran Cemetery | Cemetery | 422 | Plymouth | 42 50 15 N | 096 22 47 W |
| Saint Johns Lutheran Cemetery | Cemetery | 358 | Winneshiek | 43 17 06 N | 092 03 08 W |
| Saint Johns Lutheran Church | Church | 447 | Adair | 41 30 02 N | 094 38 31 W |
| Saint Johns Lutheran Church | Church | 386 | Allamakee | 43 16 08 N | 091 28 55 W |
| Saint Johns Lutheran Church | Church | 291 | Black Hawk | 42 34 12 N | 092 09 38 W |
| Saint Johns Lutheran Church | Church | 309 | Boone | 41 52 36 N | 093 49 28 W |
| Saint Johns Lutheran Church | Church | 308 | Bremer | 42 45 17 N | 092 08 25 W |
| Saint Johns Lutheran Church | Church | 314 | Bremer | 42 52 54 N | 092 18 30 W |
| Saint Johns Lutheran Church | Church | 306 | Bremer | 42 40 06 N | 092 19 43 W |
| Saint Johns Lutheran Church | Church | 405 | Buena Vista | 42 43 12 N | 094 59 41 W |
| Saint Johns Lutheran Church | Church | 188 | Clayton | 42 47 05 N | 091 05 57 W |
| Saint Johns Lutheran Church | Church | 180 | Clinton | 41 52 14 N | 090 10 51 W |
| Saint Johns Lutheran Church | Church | 379 | Crawford | 42 04 05 N | 095 35 39 W |
| Saint Johns Lutheran Church | Church | 409 | Crawford | 42 11 44 N | 095 19 40 W |
| Saint Johns Lutheran Church | Church | 187 | Dubuque | 42 30 20 N | 090 39 56 W |
| Saint Johns Lutheran Church | Church | 318 | Fayette | 43 03 22 N | 092 02 00 W |
| Saint Johns Lutheran Church | Church | 375 | Hancock | 43 13 59 N | 093 54 33 W |
| Saint Johns Lutheran Church | Church | 358 | Hancock | 42 59 18 N | 093 57 08 W |
| Saint Johns Lutheran Church | Church | 368 | Ida | 42 19 09 N | 095 36 04 W |
| Saint Johns Lutheran Church | Church | 225 | Iowa | 41 47 48 N | 092 04 11 W |
| Saint Johns Lutheran Church | Church | 187 | Jackson | 42 15 22 N | 090 25 29 W |
| Saint Johns Lutheran Church | Church | 200 | Jackson | 42 03 01 N | 090 23 40 W |
| Saint Johns Lutheran Church | Church | 357 | Kossuth | 43 11 42 N | 094 13 10 W |
| Saint Johns Lutheran Church | Church | 248 | Linn | 42 11 38 N | 091 47 13 W |
| Saint Johns Lutheran Church | Church | 473 | O'Brien | 43 10 54 N | 095 39 20 W |
| Saint Johns Lutheran Church | Church | 435 | O'Brien | 42 57 12 N | 095 46 53 W |
| Saint Johns Lutheran Church | Church | 312 | Page | 40 44 26 N | 095 01 59 W |
| Saint Johns Lutheran Church | Church | 314 | Page | 40 49 47 N | 095 17 58 W |
| Saint Johns Lutheran Church | Church | 393 | Palo Alto | 43 11 03 N | 094 32 36 W |
| Saint Johns Lutheran Church | Church | 368 | Plymouth | 42 43 23 N | 096 15 11 W |
| Saint Johns Lutheran Church | Church | 373 | Plymouth | 42 47 44 N | 096 10 06 W |
| Saint Johns Lutheran Church | Church | 427 | Sioux | 42 57 30 N | 096 15 14 W |
| Saint Johns Lutheran Church | Church | 429 | Sioux | 43 14 36 N | 096 00 52 W |
| Saint Johns Lutheran Church | Church | 360 | Wright | 42 50 43 N | 093 36 43 W |
| Saint Johns Rectory School | School | 287 | Dubuque | 42 23 24 N | 090 55 36 W |
| Saint Johns School | School | 257 | Black Hawk | 42 29 41 N | 092 19 14 W |
| Saint Johns School | School | 308 | Bremer | 42 45 17 N | 092 08 27 W |
| Saint Johns School | School | 197 | Des Moines | 40 48 28 N | 091 06 33 W |
| Saint Johns School | School | 318 | Dubuque | 42 26 41 N | 090 51 04 W |
| Saint Johns School | School | 262 | Iowa | 41 37 22 N | 092 15 11 W |
| Saint Johns School | School | 219 | Lee | 40 47 09 N | 091 36 04 W |
| Saint Johns School | School | 284 | Polk | 41 36 03 N | 093 38 35 W |
| Saint Johns United Church of Christ | Church | 253 | Cedar | 41 53 15 N | 091 03 06 W |
| Saint Johns United Church of Christ | Church | 340 | Pottawattamie | 41 15 25 N | 095 48 04 W |
| Saint Johns United Church of Christ | Church | 394 | Union | 41 03 04 N | 094 21 45 W |
| Saint Johns United Church of Christ Cemetery | Cemetery | 320 | Bremer | 42 49 43 N | 092 21 20 W |
| Saint Johns United Methodist Church | Church | 216 | Scott | 41 32 01 N | 090 34 24 W |
| Saint Johns Wildlife Area | Park | 304 | Harrison | 41 34 60 N | 095 56 21 W |
| Saint Joseph | Locale | 317 | Dubuque | 42 22 51 N | 090 44 25 W |
| Saint Joseph | Populated Place | 336 | Kossuth | 42 54 48 N | 094 13 38 W |
| Saint Joseph Academy | School | 288 | Polk | 41 35 02 N | 093 39 41 W |
| Saint Joseph Catholic Church | Church | 351 | Delaware | 42 35 09 N | 091 20 30 W |
| Saint Joseph Catholic Church | Church | 201 | Jackson | 42 02 47 N | 090 24 17 W |
| Saint Joseph Catholic Church | Church | 251 | Jones | 42 14 18 N | 091 11 14 W |
| Saint Joseph Catholic Church | Church | 336 | Kossuth | 42 54 46 N | 094 13 40 W |
| Saint Joseph Catholic Church | Church | 164 | Lee | 40 31 40 N | 091 25 03 W |
| Saint Joseph Catholic Church | Church | 443 | O'Brien | 43 11 04 N | 095 28 36 W |
| Saint Joseph Catholic Church | Church | 366 | Plymouth | 42 43 18 N | 096 15 11 W |
| Saint Joseph Catholic Church | Church | 391 | Sac | 42 16 29 N | 095 05 28 W |
| Saint Joseph Catholic Church | Church | 293 | Tama | 42 10 14 N | 092 17 58 W |
| Saint Joseph Catholic Church | Church | 338 | Webster | 42 28 13 N | 093 59 41 W |
| Saint Joseph Cemetery | Cemetery | 294 | Benton | 42 10 19 N | 092 17 54 W |
| Saint Joseph Cemetery | Cemetery | 344 | Calhoun | 42 15 25 N | 094 30 44 W |
| Saint Joseph Cemetery | Cemetery | 316 | Clayton | 42 51 46 N | 091 15 01 W |
| Saint Joseph Cemetery | Cemetery | 314 | Clayton | 42 51 45 N | 091 15 00 W |
| Saint Joseph Cemetery | Cemetery | 218 | Clinton | 41 49 42 N | 090 32 33 W |
| Saint Joseph Cemetery | Cemetery | 434 | Dickinson | 43 19 17 N | 095 10 09 W |
| Saint Joseph Cemetery | Cemetery | 202 | Jackson | 42 02 30 N | 090 23 00 W |
| Saint Joseph Cemetery | Cemetery | 193 | Jackson | 42 15 17 N | 090 25 45 W |
| Saint Joseph Cemetery | Cemetery | 239 | Johnson | 41 40 20 N | 091 31 14 W |
| Saint Joseph Cemetery | Cemetery | 241 | Johnson | 41 40 33 N | 091 31 02 W |