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 Pop. | 2020 Pop. | Change | Density (/mi²) | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Shelby township | 1 | 4,146 | 4,120 | 0.14% | 115 | 36.0 | Township |
| Newfield township | 2 | 2,373 | 2,338 | 0.17% | 68 | 34.8 | Township |
| Shelby | 3 | 2,177 | 2,164 | 0.14% | 1,326 | 1.6 | Village |
| Hart | 4 | 2,055 | 2,055 | 0% | 1,156 | 1.8 | City |
| Hart township | 5 | 2,043 | 2,030 | 0.1% | 60 | 33.8 | Township |
| Golden township | 6 | 1,692 | 1,663 | 0.41% | 51 | 33.5 | Township |
| Pentwater township | 7 | 1,661 | 1,658 | 0% | 124 | 13.3 | Township |
| Benona township | 8 | 1,436 | 1,429 | 0.07% | 35 | 40.6 | Township |
| Ferry township | 9 | 1,301 | 1,274 | 0.46% | 36 | 36.0 | Township |
| Weare township | 10 | 1,247 | 1,224 | 0.48% | 35 | 35.9 | Township |
| Greenwood township | 11 | 1,181 | 1,158 | 0.51% | 33 | 35.4 | Township |
| Elbridge township | 12 | 1,011 | 1,001 | 0.2% | 28 | 36.1 | Township |
| Hesperia | 13 | 975 | 967 | 0.21% | 1,192 | 0.8 | Village |
| Pentwater | 14 | 902 | 901 | 0% | 674 | 1.3 | Village |
| New Era | 15 | 455 | 457 | -0.22% | 542 | 0.8 | Village |
| Rothbury | 16 | 445 | 439 | 0.22% | 181 | 2.5 | Village |
| Walkerville | 17 | 270 | 262 | 0.75% | 217 | 1.2 | Village |
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.
Shelby township is the largest city in Oceana County.
Walkerville is the smallest city in Oceana County.
There are 17 cities in Oceana County, Michigan.