There are 15 cities in Worth County, Iowa.
Note: As defined by the US Census Bureau, a city's official boundaries often extend miles beyond the city itself and may even cross county lines. As such, several thousand US cities officially exist in two or more counties (and therefore appear on multiple counties' lists of cities.)
City | Rank | 2024 Population | 2020 Population | Annual Change | Density (/mi²) | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Lake Mills | 1 | 2,107 | 2,138 | -0.38% | 776 | 2.7 | City |
| Northwood | 2 | 2,040 | 2,070 | -0.39% | 512 | 4.0 | City |
| Manly | 3 | 1,222 | 1,256 | -0.73% | 864 | 1.4 | City |
| St. Ansgar | 4 | 1,156 | 1,170 | -0.34% | 1,062 | 1.1 | City |
| Plymouth | 5 | 365 | 381 | -1.08% | 828 | 0.4 | City |
| Fertile | 6 | 296 | 306 | -1% | 315 | 0.9 | City |
| Kensett | 7 | 254 | 258 | -0.39% | 251 | 1.0 | City |
| Grafton | 8 | 210 | 217 | -0.94% | 654 | 0.3 | City |
| Joice | 9 | 202 | 210 | -0.98% | 189 | 1.1 | City |
| Hanlontown | 10 | 200 | 208 | -0.99% | 206 | 1.0 | City |
| Scarville | 11 | 77 | 79 | -1.28% | 316 | 0.2 | City |
| Mona | 12 | 30 | 39 | 7.14% | 13 | 2.3 | CDP |
| Otranto | 13 | 27 | 0 | 8% | 66 | 0.4 | CDP |
| Toeterville | 14 | 24 | 50 | 4.35% | 27 | 0.9 | CDP |
| Bolan | 15 | 9 | 10 | 0% | 29 | 0.3 | CDP |
Note: City markers shown outside the county boundary mean that a part of the city extends into this county, but is primarily located in an adjacent county.
Lake Mills is the largest city in Worth County.
Bolan is the smallest city in Worth County.
There are 15 cities in Worth County, Iowa.