There are 40 cities in San Luis Obispo County, California.
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 | State | 2024 Population | 2020 Census | Annual Change | Density (mi²) | Area (mi²) |
|---|---|---|---|---|---|---|---|
| Santa Maria | 1 | California | 110,055 | 109,782 | 0.06% | 4,825 | 22.81 |
| San Luis Obispo | 2 | California | 49,928 | 47,191 | 1.39% | 3,707 | 13.47 |
| El Paso Robles (Paso Robles) | 3 | California | 31,017 | 31,484 | -0.38% | 1,557 | 19.91 |
| Orcutt | 4 | California | 30,921 | 31,353 | -0.35% | 2,857 | 10.82 |
| Atascadero | 5 | California | 29,685 | 29,744 | -0.05% | 1,139 | 26.07 |
| Arroyo Grande | 6 | California | 18,178 | 18,438 | -0.36% | 3,061 | 5.94 |
| Nipomo | 7 | California | 17,836 | 18,182 | -0.48% | 1,183 | 15.07 |
| Los Osos | 8 | California | 15,185 | 16,174 | -1.1% | 1,190 | 12.76 |
| Grover Beach | 9 | California | 12,495 | 12,701 | -0.41% | 5,404 | 2.31 |
| Morro Bay | 10 | California | 10,531 | 10,762 | -0.55% | 1,973 | 5.34 |
| Templeton | 11 | California | 8,926 | 7,965 | 1.78% | 1,129 | 7.91 |
| Guadalupe | 12 | California | 8,756 | 8,219 | 1.55% | 6,684 | 1.31 |
| Pismo Beach | 13 | California | 7,909 | 8,063 | -0.49% | 2,262 | 3.50 |
| Oceano | 14 | California | 7,119 | 7,601 | -1.17% | 4,635 | 1.54 |
| California Polytechnic State University | 15 | California | 6,253 | 7,713 | -5.51% | 4,066 | 1.54 |
| Cambria | 16 | California | 6,095 | 5,555 | 2.27% | 724 | 8.42 |
| Lake Nacimiento | 17 | California | 3,389 | 3,021 | 2.79% | 323 | 10.49 |
| Callender | 18 | California | 2,842 | 1,638 | 7.53% | 1,243 | 2.29 |
| San Miguel | 19 | California | 2,594 | 2,536 | -3.03% | 1,544 | 1.68 |
| Cayucos | 20 | California | 2,494 | 2,228 | 2.76% | 805 | 3.10 |
| Woodlands | 21 | California | 1,894 | 2,331 | -0.79% | 1,146 | 1.65 |
| Los Ranchos | 22 | California | 1,617 | 1,675 | 1.44% | 560 | 2.89 |
| Avila Beach | 23 | California | 1,571 | 1,455 | -0.88% | 258 | 6.08 |
| Shandon | 24 | California | 1,008 | 1,054 | -1.08% | 342 | 2.95 |
| Maricopa | 25 | California | 1,004 | 1,023 | -0.5% | 642 | 1.56 |
| Blacklake | 26 | California | 851 | 797 | 1.67% | 814 | 1.04 |
| New Cuyama | 27 | California | 585 | 550 | -6.7% | 926 | 0.63 |
| Santa Margarita | 28 | California | 494 | 1,025 | -17.11% | 956 | 0.52 |
| Garden Farms | 29 | California | 364 | 418 | -0.82% | 333 | 1.09 |
| Edna | 30 | California | 302 | 408 | -7.93% | 248 | 1.22 |
| Los Berros | 31 | California | 216 | 301 | 8.54% | 86 | 2.51 |
| Sisquoc | 32 | California | 141 | 169 | -4.73% | 63 | 2.23 |
| Lockwood | 33 | California | 119 | 351 | -32.77% | 11 | 10.87 |
| Bradley | 34 | California | 71 | 99 | -8.97% | 826 | 0.09 |
| San Simeon | 35 | California | 64 | 550 | -65.41% | 80 | 0.80 |
| Garey | 36 | California | 57 | 47 | 5.56% | 45 | 1.26 |
| Oak Shores | 37 | California | 57 | 325 | -47.22% | 11 | 5.09 |
| Cuyama | 38 | California | 7 | 11 | -12.5% | 15 | 0.45 |
| Creston | 39 | California | 0 | 31 | 0% | 0 | 0.56 |
| Whitley Gardens | 40 | California | 0 | 44 | 0% | 0 | 1.31 |
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.
Santa Maria is the largest city in San Luis Obispo County.
Whitley Gardens is the smallest city in San Luis Obispo County.
There are 40 cities in San Luis Obispo County, California.