| Candidate | Vote Count | | Winner | |
President Dem - Primary
-- 23,109 of 23,110 precincts reporting (100%)
| Clinton | 2,132,166 | (X) |
| Obama | 1,735,105 | |
| Edwards | 170,013 | |
| Richardson | 16,960 | |
| Kucinich | 20,206 | |
| Gravel | 6,666 | |
| Dodd | 6,727 | |
| Biden | 15,463 | |
|
Democratic Delegates
| Clinton | 830 | |
| Obama | 727 | |
| Edwards | 26 | |
|
President GOP - Primary
-- 23,109 of 23,110 precincts reporting (100%)
| McCain | 985,900 | (X) |
| Romney | 801,568 | |
| Huckabee | 272,638 | |
| Giuliani | 115,778 | |
| Paul | 99,545 | |
| Thompson | 45,800 | |
| Hunter | 12,214 | |
| Tancredo | 3,303 | |
| Keyes | 9,542 | |
| Cox | 2,665 | |
| Brownback | 2,041 | |
|
Republican Delegates
| McCain | 519 | |
| Romney | 158 | |
| Huckabee | 140 | |
|
Proposition 91-Transportation Funds
-- 23,109 of 23,110 precincts reporting (100%)
| No | 3,795,170 | (X) |
| Yes | 2,746,630 | |
|
Proposition 92-Community Colleges
-- 23,109 of 23,110 precincts reporting (100%)
| No | 3,855,602 | (X) |
| Yes | 2,883,920 | |
|
Proposition 93-Term Limits
-- 23,109 of 23,110 precincts reporting (100%)
| No | 3,649,743 | (X) |
| Yes | 3,164,251 | |
|
Proposition 94-Indian Gambling Pechanga
-- 23,109 of 23,110 precincts reporting (100%)
| Yes | 3,862,887 | (X) |
| No | 3,047,708 | |
|
Proposition 95-Indian Gambling Morongo
-- 23,109 of 23,110 precincts reporting (100%)
| Yes | 3,860,216 | (X) |
| No | 3,041,154 | |
|
Proposition 96-Indian Gambling Sycuan
-- 23,109 of 23,110 precincts reporting (100%)
| Yes | 3,841,321 | (X) |
| No | 3,043,903 | |
|
Proposition 97-Indian Gambling Agua Caliente
-- 23,109 of 23,110 precincts reporting (100%)
| Yes | 3,842,474 | (X) |
| No | 3,039,548 | |
|
Measure R
-- 5 of 5 precincts reporting (100%)
|
Measure S
-- 314 of 314 precincts reporting (100%)
|
Measure T
-- 17 of 17 precincts reporting (100%)
|
SB County - Dem
-- 314 of 314 precincts reporting (100%)
| Obama | 26,375 | |
| Clinton | 22,456 | |
| Edwards | 2,684 | |
| Kucinich | 440 | |
| Richardson | 205 | |
| Gravel | 91 | |
| Dodd | 61 | |
| Biden | 174 | |
|
SB County - GOP
-- 314 of 314 precincts reporting (100%)
| McCain | 14,539 | |
| Romney | 11,577 | |
| Huckabee | 4,294 | |
| Giuliani | 2,246 | |
| Paul | 1,410 | |
| Thompson | 683 | |
| Tancredo | 38 | |
| Keyes | 124 | |
| Hunter | 133 | |
| Cox | 19 | |
| Brownback | 17 | |
|
SLO County - Dem
-- 140 of 140 precincts reporting (100%)
| Obama | 17,201 | |
| Clinton | 14,780 | |
| Edwards | 2,628 | |
| Write-ins | 250 | |
| Kucinich | 390 | |
| Richardson | 175 | |
| Gravel | 55 | |
| Dodd | 31 | |
| Biden | 112 | |
|
SLO County - GOP
-- 140 of 140 precincts reporting (100%)
| McCain | 12,913 | |
| Romney | 10,512 | |
| Huckabee | 4,535 | |
| Giuliani | 1,703 | |
| Paul | 1,434 | |
| Thompson | 809 | |
| Write-ins | 301 | |
| Tancredo | 8 | |
| Keyes | 116 | |
| Hunter | 85 | |
| Cox | 15 | |
| Brownback | 6 | |
|