City | 2024 Population |
---|---|
Oak Hills | 103 |
Oakland | 1,488 |
Oakland Acres | 179 |
Oakville | 191 |
Ocheyedan | 414 |
Odebolt | 965 |
Oelwein | 5,761 |
Ogden | 1,955 |
Okoboji | 739 |
Olds | 189 |
Olin | 665 |
Ollie | 196 |
Onawa | 2,723 |
Onslow | 203 |
Orange City | 6,294 |
Orchard | 66 |
Orient | 361 |
Orleans | 512 |
Osage | 3,487 |
Osceola | 5,717 |
Oskaloosa | 11,426 |
Ossian | 771 |
Osterdock | 44 |
Otho | 410 |
Oto | 70 |
Otranto | 41 |
Ottosen | 40 |
Ottumwa | 24,902 |
Owasa | 28 |
Oxford | 718 |
Oxford Junction | 431 |
Oyens | 90 |