Identifiers: city · CDP
| Rank | Community | Population |
|---|---|---|
| 1 | Santa Maria (city), CA | 109,707 |
| 2 | Lompoc (city), CA | 44,444 |
| 3 | Orcutt (CDP), CA | 32,034 |
| 4 | Arroyo Grande (city), CA | 18,441 |
| 5 | Nipomo (CDP), CA | 18,176 |
| 6 | Grover Beach (city), CA | 12,701 |
| 7 | Pismo Beach (city), CA | 8,072 |
| 8 | Guadalupe (city), CA | 8,057 |
| 9 | Vandenberg Village (CDP), CA | 7,308 |
| 10 | Oceano (CDP), CA | 7,183 |
| 11 | Buellton (city), CA | 5,161 |
| 12 | Mission Hills (CDP), CA | 3,571 |
| 13 | Vandenberg AFB (CDP), CA | 3,559 |
| 14 | Woodlands (CDP), CA | 1,933 |
| 15 | Los Alamos (CDP), CA | 1,839 |
| 16 | Callender (CDP), CA | 1,282 |
| 17 | Los Olivos (CDP), CA | 1,202 |
| 18 | Blacklake (CDP), CA | 1,016 |
| 19 | Los Berros (CDP), CA | 623 |
| 20 | Sisquoc (CDP), CA | 191 |
Identifiers: city · CDP
| Rank | Community | Population |
|---|---|---|
| 1 | Santa Maria (city), CA | 109,707 |
| 2 | Lompoc (city), CA | 44,444 |
| 3 | Orcutt (CDP), CA | 32,034 |
| 4 | Arroyo Grande (city), CA | 18,441 |
| 5 | Nipomo (CDP), CA | 18,176 |
| 6 | Grover Beach (city), CA | 12,701 |
| 7 | Pismo Beach (city), CA | 8,072 |
| 8 | Guadalupe (city), CA | 8,057 |
| 9 | Vandenberg Village (CDP), CA | 7,308 |
| 10 | Oceano (CDP), CA | 7,183 |
| 11 | Buellton (city), CA | 5,161 |
| 12 | Mission Hills (CDP), CA | 3,571 |
| 13 | Woodlands (CDP), CA | 1,933 |
| 14 | Los Alamos (CDP), CA | 1,839 |
| 15 | Callender (CDP), CA | 1,282 |
| 16 | Los Olivos (CDP), CA | 1,202 |
| 17 | Blacklake (CDP), CA | 1,016 |
| 18 | Los Berros (CDP), CA | 623 |
| 19 | Sisquoc (CDP), CA | 191 |
| 20 | Casmalia (CDP), CA | 147 |
Identifiers: city · CDP
| Rank | Community | Population |
|---|---|---|
| 1 | Santa Maria (city), CA | 109,707 |
| 2 | Lompoc (city), CA | 44,444 |
| 3 | Orcutt (CDP), CA | 32,034 |
| 4 | Arroyo Grande (city), CA | 18,441 |
| 5 | Nipomo (CDP), CA | 18,176 |
| 6 | Grover Beach (city), CA | 12,701 |
| 7 | Pismo Beach (city), CA | 8,072 |
| 8 | Guadalupe (city), CA | 8,057 |
| 9 | Vandenberg Village (CDP), CA | 7,308 |
| 10 | Oceano (CDP), CA | 7,183 |
| 11 | Buellton (city), CA | 5,161 |
| 12 | Mission Hills (CDP), CA | 3,571 |
| 13 | Woodlands (CDP), CA | 1,933 |
| 14 | Los Alamos (CDP), CA | 1,839 |
| 15 | Callender (CDP), CA | 1,282 |
| 16 | Los Olivos (CDP), CA | 1,202 |
| 17 | Blacklake (CDP), CA | 1,016 |
| 18 | Los Berros (CDP), CA | 623 |
| 19 | Sisquoc (CDP), CA | 191 |
| 20 | Casmalia (CDP), CA | 147 |
Identifiers: city · CDP
| Rank | Community | Population |
|---|---|---|
| 1 | Santa Maria (city), CA | 109,707 |
| 2 | Lompoc (city), CA | 44,444 |
| 3 | Orcutt (CDP), CA | 32,034 |
| 4 | Arroyo Grande (city), CA | 18,441 |
| 5 | Nipomo (CDP), CA | 18,176 |
| 6 | Grover Beach (city), CA | 12,701 |
| 7 | Pismo Beach (city), CA | 8,072 |
| 8 | Guadalupe (city), CA | 8,057 |
| 9 | Vandenberg Village (CDP), CA | 7,308 |
| 10 | Oceano (CDP), CA | 7,183 |
| 11 | Mission Hills (CDP), CA | 3,571 |
| 12 | Woodlands (CDP), CA | 1,933 |
| 13 | Los Alamos (CDP), CA | 1,839 |
| 14 | Callender (CDP), CA | 1,282 |
| 15 | Blacklake (CDP), CA | 1,016 |
| 16 | Los Berros (CDP), CA | 623 |
| 17 | Sisquoc (CDP), CA | 191 |
| 18 | Casmalia (CDP), CA | 147 |
| 19 | Garey (CDP), CA | 72 |