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 |
|---|---|---|---|---|---|---|---|
| East Quincy | 1 | 2,384 | 2,279 | -0.33% | 197 | 12.1 | CDP |
| Chester | 2 | 2,292 | 2,088 | 0.44% | 314 | 7.3 | CDP |
| Portola | 3 | 2,135 | 2,091 | 0.52% | 395 | 5.4 | City |
| Quincy | 4 | 1,308 | 1,706 | -2.24% | 310 | 4.2 | CDP |
| Greenville | 5 | 634 | 785 | -5.37% | 79 | 8.0 | CDP |
| Sierra Brooks | 6 | 507 | 441 | 0.4% | 370 | 1.4 | CDP |
| Plumas Eureka | 7 | 462 | 358 | 1.99% | 116 | 4.0 | CDP |
| Beckwourth | 8 | 461 | 388 | 0.44% | 39 | 11.7 | CDP |
| Iron Horse | 9 | 438 | 290 | 2.34% | 57 | 7.7 | CDP |
| Meadow Valley | 10 | 429 | 478 | -0.69% | 50 | 8.5 | CDP |
| Cromberg | 11 | 424 | 312 | 2.66% | 47 | 9.0 | CDP |
| Twain | 12 | 372 | 303 | 7.51% | 52 | 7.2 | CDP |
| Graeagle | 13 | 345 | 552 | -7.51% | 31 | 11.1 | CDP |
| Lake Almanor West | 14 | 331 | 329 | 1.53% | 145 | 2.3 | CDP |
| Delleker | 15 | 329 | 601 | -7.58% | 119 | 2.8 | CDP |
| Mabie | 16 | 220 | 72 | 1.85% | 60 | 3.6 | CDP |
| Clio | 17 | 169 | 184 | 7.64% | 289 | 0.6 | CDP |
| Greenhorn | 18 | 164 | 202 | -2.96% | 24 | 6.7 | CDP |
| Lake Davis | 19 | 122 | 91 | 7.02% | 22 | 5.4 | CDP |
| Gold Mountain | 20 | 113 | 75 | 7.62% | 19 | 6.1 | CDP |
| C-Road | 21 | 84 | 90 | -4.54% | 32 | 2.7 | CDP |
| Keddie | 22 | 78 | 68 | 6.85% | 119 | 0.7 | CDP |
| La Porte | 23 | 61 | 0 | 8.93% | 14 | 4.5 | CDP |
| Whitehawk | 24 | 52 | 37 | -8.77% | 20 | 2.6 | CDP |
| Prattville | 25 | 46 | 27 | 9.52% | 76 | 0.6 | CDP |
| Valley Ranch | 26 | 30 | 38 | -14.29% | 26 | 1.1 | CDP |
| Bucks Lake | 27 | 22 | 21 | 4.76% | 2 | 10.3 | CDP |
| Taylorsville | 28 | 8 | 35 | -55.56% | 2 | 3.2 | CDP |
| Crescent Mills | 29 | 6 | 70 | -68.42% | 1 | 4.2 | CDP |
| Mohawk Vista | 30 | 6 | 53 | -64.71% | 1 | 12.0 | CDP |
| Canyondam | 31 | 5 | 0 | 25% | 7 | 0.8 | 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.
East Quincy is the largest city in Plumas County.
Canyondam is the smallest city in Plumas County.
There are 31 cities in Plumas County, California.