Feature Name | Class | Elev. meters | County | Latitude DMS | Longitude DMS |
| Poweshiek County Fairgrounds | Locale | 308 | Poweshiek | 41 43 35 N | 092 43 11 W |
| Powhatan Cemetery | Cemetery | 370 | Pocahontas | 42 51 21 N | 094 34 47 W |
| Poyneer Post Office (historical) | Post Office | 345 | Ringgold | 40 36 15 N | 094 14 06 W |
| Poyner Airport | Airport | 280 | Black Hawk | 42 28 15 N | 092 05 19 W |
| Poyner Creek | Stream | | Black Hawk | 42 26 00 N | 092 14 15 W |
| Poyner Township Cemetery | Cemetery | 272 | Black Hawk | 42 26 35 N | 092 13 33 W |
| Prairie Ag Co-op Elevator | Locale | 222 | Henry | 41 08 03 N | 091 32 42 W |
| Prairie Ag Cooperative Elevator | Locale | 222 | Henry | 41 03 28 N | 091 23 26 W |
| Prairie Belle Cemetery | Cemetery | 285 | Jasper | 41 36 03 N | 093 18 41 W |
| Prairie Bridges Park | Park | 321 | Hardin | 42 33 45 N | 093 03 31 W |
| Prairie Center Cemetery | Cemetery | 243 | Jefferson | 41 07 35 N | 092 05 07 W |
| Prairie Center Church | Church | 339 | Boone | 42 04 17 N | 093 47 47 W |
| Prairie Center Church | Church | 317 | Dallas | 41 44 46 N | 094 15 02 W |
| Prairie Center Community Hall | Locale | 304 | Delaware | 42 26 32 N | 091 31 12 W |
| Prairie Center School | School | 305 | Monroe | 40 54 47 N | 093 02 32 W |
| Prairie Chapel Cemetery | Cemetery | 268 | Linn | 42 06 25 N | 091 33 02 W |
| Prairie Chapel Methodist Church | Church | 269 | Linn | 42 08 54 N | 091 37 07 W |
| Prairie City | Locale | 280 | Jasper | 41 35 50 N | 093 14 26 W |
| Prairie City | Populated Place | 283 | Jasper | 41 35 58 N | 093 14 07 W |
| Prairie City Brethren Church | Church | 279 | Jasper | 41 31 20 N | 093 14 04 W |
| Prairie City Christian Church | Church | 281 | Jasper | 41 35 58 N | 093 14 18 W |
| Prairie City City Hall | Building | 282 | Jasper | 41 35 53 N | 093 14 06 W |
| Prairie City Family Clinic | Hospital | 282 | Jasper | 41 35 55 N | 093 14 09 W |
| Prairie City Post Office | Post Office | 283 | Jasper | 41 35 57 N | 093 14 10 W |
| Prairie City Public Library | Building | 283 | Jasper | 41 35 59 N | 093 14 10 W |
| Prairie City United Methodist Church | Church | 281 | Jasper | 41 35 41 N | 093 14 40 W |
| Prairie City-Krohn Airport | Airport | 284 | Jasper | 41 37 60 N | 093 12 01 W |
| Prairie College School | School | 283 | Marion | 41 13 08 N | 093 03 33 W |
| Prairie Creek | Stream | | Benton | 42 10 53 N | 092 00 20 W |
| Prairie Creek | Stream | | Boone | 42 07 27 N | 093 44 46 W |
| Prairie Creek | Stream | | Calhoun | 42 15 13 N | 094 48 15 W |
| Prairie Creek | Stream | | Calhoun | 42 29 25 N | 094 53 03 W |
| Prairie Creek | Stream | | Clay | 43 06 18 N | 095 03 55 W |
| Prairie Creek | Stream | | Delaware | 42 29 40 N | 091 34 21 W |
| Prairie Creek | Stream | | Dubuque | 42 19 43 N | 090 46 57 W |
| Prairie Creek | Stream | | Hamilton | 42 19 46 N | 093 54 17 W |
| Prairie Creek | Stream | | Henry | 40 50 33 N | 091 29 46 W |
| Prairie Creek | Stream | | Humboldt | 42 50 06 N | 093 57 30 W |
| Prairie Creek | Stream | | Jackson | 42 04 54 N | 090 37 54 W |
| Prairie Creek | Stream | | Jasper | 41 40 50 N | 093 09 59 W |
| Prairie Creek | Stream | | Johnson | 41 25 34 N | 091 28 18 W |
| Prairie Creek | Stream | | Jones | 42 08 50 N | 091 02 23 W |
| Prairie Creek | Stream | | Kossuth | 43 18 01 N | 094 19 38 W |
| Prairie Creek | Stream | | Linn | 41 56 59 N | 091 38 19 W |
| Prairie Creek | Stream | | Marion | 41 26 49 N | 093 09 01 W |
| Prairie Creek | Stream | | Polk | 41 50 60 N | 093 47 08 W |
| Prairie Creek | Stream | | Tama | 42 06 03 N | 092 43 27 W |
| Prairie Creek | Stream | | Webster | 42 26 14 N | 094 18 30 W |
| Prairie Creek | Stream | | Webster | 42 23 20 N | 094 04 38 W |
| Prairie Creek Cemetery | Cemetery | 412 | Clay | 43 04 30 N | 095 09 31 W |
| Prairie Creek Church | Church | 270 | Benton | 42 13 30 N | 091 57 33 W |
| Prairie Creek Park | Park | 219 | Linn | 41 56 10 N | 091 39 58 W |
| Prairie Creek Post Office (historical) | Post Office | 286 | Dubuque | 42 18 30 N | 090 49 15 W |
| Prairie Creek School | School | 348 | Mills | 41 06 45 N | 095 34 31 W |
| Prairie Crest Elementary School | School | 256 | Linn | 41 54 18 N | 091 39 51 W |
| Prairie Dale School | School | 212 | Johnson | 41 38 38 N | 091 27 49 W |
| Prairie Drive Full Gospel Church | Church | 236 | Linn | 42 00 42 N | 091 39 06 W |
| Prairie Farmer Recreational Trail | Trail | 366 | Winneshiek | 43 16 45 N | 091 58 16 W |
| Prairie Flower Baptist Church | Church | 239 | Washington | 41 22 50 N | 091 44 08 W |
| Prairie Flower Post Office (historical) | Post Office | 333 | Pottawattamie | 41 14 06 N | 095 09 51 W |
| Prairie Flower School | Locale | 342 | Madison | 41 20 43 N | 094 05 57 W |
| Prairie Flower School | School | 238 | Washington | 41 22 50 N | 091 44 04 W |
| Prairie Gold Wildlife Area | Park | 369 | Palo Alto | 43 08 40 N | 094 41 31 W |
| Prairie Green School (historical) | School | 281 | Polk | 41 42 06 N | 093 31 17 W |
| Prairie Grove | Populated Place | 220 | Des Moines | 40 52 45 N | 091 15 09 W |
| Prairie Grove Cemetery | Cemetery | 216 | Des Moines | 40 52 53 N | 091 14 55 W |
| Prairie Grove Park | Park | 273 | Black Hawk | 42 26 40 N | 092 24 11 W |
| Prairie Grove Post Office (historical) | Post Office | 318 | Clarke | 41 09 00 N | 093 52 11 W |
| Prairie Grove School | School | 307 | Buchanan | 42 34 11 N | 091 58 59 W |
| Prairie Grove School | School | 320 | Clarke | 41 08 33 N | 093 53 06 W |
| Prairie Grove School (historical) | School | 235 | Muscatine | 41 33 41 N | 090 49 58 W |
| Prairie Habitat Area | Park | 365 | Shelby | 41 39 40 N | 095 18 16 W |
| Prairie Heights Elementary School | School | 256 | Linn | 41 54 18 N | 091 39 51 W |
| Prairie Heritage Park | Park | 289 | Polk | 41 38 30 N | 093 27 56 W |
| Prairie High School | School | 254 | Linn | 41 54 12 N | 091 40 12 W |
| Prairie Hill | Locale | 335 | Boone | 41 54 41 N | 093 58 12 W |
| Prairie Hill Cemetery | Cemetery | 302 | Jones | 42 14 18 N | 091 19 11 W |
| Prairie Hill Post Office (historical) | Post Office | 330 | Boone | 41 55 20 N | 093 57 01 W |
| Prairie Hill School | School | 298 | Lucas | 41 07 02 N | 093 13 46 W |
| Prairie Junior High School | School | 254 | Linn | 41 54 04 N | 091 40 06 W |
| Prairie Knolls Country Club | Locale | 264 | Mahaska | 41 28 30 N | 092 38 41 W |
| Prairie Lake | Lake | 452 | Dickinson | 43 22 49 N | 095 03 49 W |
| Prairie Lakes | Reservoir | 285 | Black Hawk | 42 28 40 N | 092 27 32 W |
| Prairie Lakes Park | Park | 286 | Black Hawk | 42 28 40 N | 092 27 31 W |
| Prairie Lawn Cemetery | Cemetery | 406 | Union | 41 08 12 N | 094 22 36 W |
| Prairie Lutheran Cemetery | Cemetery | 281 | Benton | 41 57 46 N | 092 01 40 W |
| Prairie Meadows Racetrack | Locale | 297 | Polk | 41 39 20 N | 093 29 11 W |
| Prairie Oaks School | School | 256 | Linn | 41 54 18 N | 091 39 51 W |
| Prairie Pediatrics Center | Hospital | 390 | Woodbury | 42 31 07 N | 096 24 15 W |
| Prairie Pediatrics Center | Hospital | 370 | Woodbury | 42 27 50 N | 096 22 24 W |
| Prairie Pedlar | Locale | 435 | Sac | 42 23 60 N | 095 14 59 W |
| Prairie Pond Wildlife Area | Park | 337 | Webster | 42 27 05 N | 093 59 21 W |
| Prairie Queen School | Locale | 365 | Adair | 41 27 37 N | 094 20 15 W |
| Prairie Ridge Church | Church | 293 | Polk | 41 43 55 N | 093 37 48 W |
| Prairie Ridge Park | Park | 276 | Appanoose | 40 51 00 N | 092 52 51 W |
| Prairie Ridge Sports Complex | Park | 295 | Polk | 41 44 44 N | 093 37 01 W |
| Prairie Rose Cemetery | Cemetery | 394 | Adams | 40 54 56 N | 094 46 32 W |
| Prairie Rose Golf Club | Locale | 386 | Plymouth | 42 48 35 N | 096 16 09 W |
| Prairie Rose Lake | Lake | 373 | Shelby | 41 36 14 N | 095 13 05 W |
| Prairie Rose Lake Dam | Dam | 365 | Shelby | 41 36 00 N | 095 13 46 W |
| Prairie Rose Post Office (historical) | Post Office | 407 | Shelby | 41 34 60 N | 095 12 31 W |
| Prairie Rose State Park | Park | 373 | Shelby | 41 36 19 N | 095 12 58 W |
| Prairie School (historical) | School | 230 | Muscatine | 41 32 07 N | 090 57 32 W |
| Prairie Smoke Wildlife Area - Central Unit | Park | 372 | Wright | 42 44 20 N | 093 36 21 W |
| Prairie Smoke Wildlife Area - East Unit | Park | 375 | Wright | 42 44 20 N | 093 30 11 W |
| Prairie Smoke Wildlife Area - West Unit | Park | 375 | Wright | 42 44 20 N | 093 41 01 W |
| Prairie Springs Church | Church | 267 | Black Hawk | 42 31 32 N | 092 26 42 W |
| Prairie Springs Post Office (historical) | Post Office | 323 | Jackson | 42 22 35 N | 090 39 20 W |
| Prairie Trails Museum | Building | 328 | Wayne | 40 45 27 N | 093 18 41 W |
| Prairie Union Cemetery | Cemetery | 201 | Clinton | 41 46 47 N | 090 23 26 W |