

A focus on "some college, no degree" can improve state college attainment rates. More: California PDF
| County | Percent w/college degree | Number w/college degree | Total population (ages 25-34) | < 9th grade | 9th-12th grade, no diploma | High school grad/GED | Some college, no degree | Associate's degree | Bachelor's degree | Graduate degree |
| TOTAL | 32.9% | 1,702,058 | 5,168,768 | 541,186 | 742,572 | 1,021,706 | 1,161,246 | 340,832 | 990,557 | 370,669 |
| San Francisco | 66.0% | 119,339 | 180,743 | 6,446 | 9,434 | 17,911 | 27,613 | 9,398 | 77,758 | 32,183 |
| Santa Clara | 51.6% | 153,771 | 298,237 | 21,307 | 27,000 | 43,243 | 52,916 | 20,547 | 84,423 | 48,801 |
| Marin | 51.2% | 16,357 | 31,948 | 2,164 | 3,310 | 3,911 | 6,206 | 1,782 | 10,941 | 3,634 |
| San Mateo | 50.1% | 55,674 | 111,107 | 7,985 | 8,925 | 16,154 | 22,369 | 7,376 | 33,016 | 15,282 |
| Alameda | 45.6% | 108,500 | 238,186 | 16,235 | 23,791 | 39,479 | 50,181 | 15,906 | 63,239 | 29,355 |
| Yolo | 41.8% | 9,858 | 23,602 | 1,894 | 2,896 | 4,081 | 4,873 | 1,266 | 5,388 | 3,204 |
| Placer | 40.9% | 11,818 | 28,886 | 993 | 1,791 | 5,572 | 8,712 | 2,845 | 7,055 | 1,918 |
| Contra Costa | 39.2% | 48,947 | 124,878 | 7,663 | 12,040 | 24,788 | 31,440 | 9,275 | 30,119 | 9,553 |
| Santa Cruz | 37.6% | 13,737 | 36,548 | 4,020 | 3,451 | 6,560 | 8,780 | 2,596 | 8,403 | 2,738 |
| San Diego | 35.9% | 156,557 | 436,610 | 29,233 | 47,402 | 86,408 | 117,010 | 31,368 | 92,415 | 32,774 |
| Orange | 35.5% | 164,048 | 462,244 | 54,469 | 61,569 | 78,863 | 103,295 | 33,776 | 99,976 | 30,296 |
| Sacramento | 32.6% | 58,180 | 178,528 | 8,822 | 20,403 | 41,002 | 50,121 | 14,740 | 33,462 | 9,978 |
| Butte | 32.5% | 7,456 | 22,973 | 1,244 | 2,473 | 4,773 | 7,027 | 2,175 | 4,385 | 896 |
| El Dorado | 32.1% | 4,966 | 15,478 | 635 | 1,692 | 3,320 | 4,865 | 1,150 | 3,097 | 719 |
| Alpine | 32.1% | 34 | 106 | 0 | 12 | 41 | 19 | 4 | 26 | 4 |
| Santa Barbara | 31.8% | 17,287 | 54,443 | 7,951 | 7,213 | 10,158 | 11,834 | 3,709 | 9,685 | 3,893 |
| San Luis Obispo | 30.7% | 8,311 | 27,028 | 1,739 | 3,546 | 5,739 | 7,693 | 2,486 | 4,837 | 988 |
| Humboldt | 30.6% | 4,860 | 15,902 | 507 | 1,735 | 3,827 | 4,973 | 1,559 | 2,768 | 533 |
| Los Angeles | 30.3% | 472,696 | 1,562,471 | 213,606 | 273,754 | 289,392 | 313,023 | 93,576 | 277,560 | 101,560 |
| Mariposa | 30.0% | 460 | 1,535 | 0 | 157 | 513 | 405 | 113 | 296 | 51 |
| Sonoma | 29.5% | 17,034 | 57,683 | 5,490 | 7,030 | 12,636 | 15,493 | 4,724 | 10,078 | 2,232 |
| Nevada | 29.5% | 2,263 | 7,684 | 164 | 763 | 2,200 | 2,294 | 659 | 1,347 | 257 |
| Ventura | 29.4% | 30,290 | 102,853 | 11,907 | 13,764 | 21,775 | 25,117 | 7,707 | 17,069 | 5,514 |
| Napa | 27.3% | 4,230 | 15,510 | 1,949 | 2,243 | 3,030 | 4,058 | 979 | 2,486 | 765 |
| Mono | 26.3% | 528 | 2,009 | 201 | 232 | 493 | 555 | 99 | 390 | 39 |
| Solano | 25.5% | 13,992 | 54,863 | 3,210 | 7,333 | 13,555 | 16,773 | 4,291 | 7,751 | 1,950 |
| Plumas | 23.7% | 371 | 1,564 | 21 | 161 | 514 | 497 | 99 | 172 | 100 |
| Sierra | 23.4% | 71 | 304 | 12 | 27 | 114 | 80 | 27 | 44 | 0 |
| Fresno | 22.2% | 24,335 | 109,806 | 17,707 | 18,814 | 23,827 | 25,123 | 6,973 | 13,543 | 3,819 |
| Shasta | 22.1% | 3,638 | 16,476 | 429 | 2,047 | 4,790 | 5,572 | 1,531 | 1,613 | 494 |
| Siskiyou | 21.5% | 759 | 3,538 | 172 | 455 | 1,019 | 1,133 | 269 | 381 | 109 |
| Monterey | 21.0% | 13,365 | 63,674 | 13,347 | 11,352 | 13,197 | 12,413 | 3,178 | 7,565 | 2,622 |
| San Benito | 20.8% | 1,595 | 7,657 | 774 | 1,036 | 2,235 | 2,017 | 462 | 914 | 219 |
| Sutter | 20.7% | 2,121 | 10,245 | 1,137 | 1,552 | 2,864 | 2,571 | 846 | 1,060 | 215 |
| San Bernardino | 20.6% | 48,907 | 237,845 | 21,705 | 45,256 | 61,715 | 60,262 | 16,307 | 24,506 | 8,094 |
| San Joaquin | 19.4% | 14,475 | 74,656 | 8,818 | 12,691 | 19,821 | 18,851 | 5,372 | 7,164 | 1,939 |
| Riverside | 19.1% | 38,425 | 201,385 | 21,314 | 37,811 | 52,950 | 50,885 | 12,255 | 19,330 | 6,840 |
| Stanislaus | 18.1% | 10,868 | 59,951 | 6,675 | 10,412 | 16,713 | 15,283 | 3,562 | 5,834 | 1,472 |
| Inyo | 18.1% | 277 | 1,529 | 145 | 235 | 499 | 373 | 60 | 148 | 69 |
| Yuba | 17.9% | 1,408 | 7,885 | 837 | 1,305 | 2,103 | 2,232 | 756 | 503 | 149 |
| Calaveras | 17.4% | 530 | 3,039 | 85 | 576 | 923 | 925 | 197 | 259 | 74 |
| Modoc | 17.1% | 136 | 797 | 37 | 157 | 278 | 189 | 70 | 49 | 17 |
| Imperial | 16.5% | 3,425 | 20,748 | 1,176 | 4,580 | 6,673 | 4,894 | 1,293 | 1,609 | 523 |
| Mendocino | 16.5% | 1,535 | 9,330 | 872 | 1,444 | 3,038 | 2,441 | 580 | 752 | 203 |
| Tuolumne | 15.9% | 907 | 5,691 | 87 | 1,170 | 1,951 | 1,576 | 350 | 396 | 161 |
| Merced | 15.1% | 4,235 | 27,954 | 5,392 | 4,408 | 7,210 | 6,709 | 1,828 | 1,918 | 489 |
| Amador | 15.1% | 523 | 3,457 | 122 | 637 | 1,228 | 947 | 153 | 275 | 95 |
| Kern | 15.0% | 13,830 | 92,114 | 11,715 | 19,006 | 25,943 | 21,620 | 4,268 | 7,393 | 2,169 |
| Colusa | 14.5% | 336 | 2,320 | 675 | 392 | 439 | 478 | 119 | 193 | 24 |
| Glenn | 14.5% | 467 | 3,226 | 502 | 695 | 840 | 722 | 267 | 175 | 25 |
| Kings | 14.0% | 3,246 | 23,180 | 2,303 | 4,334 | 7,836 | 5,461 | 1,399 | 1,539 | 308 |
| Tulare | 13.8% | 6,804 | 49,431 | 10,482 | 9,355 | 11,914 | 10,876 | 2,717 | 3,238 | 849 |
| Lake | 13.4% | 667 | 4,991 | 364 | 1,049 | 1,463 | 1,448 | 264 | 295 | 108 |
| Trinity | 13.2% | 144 | 1,090 | 11 | 161 | 436 | 338 | 57 | 73 | 14 |
| Tehama | 12.6% | 774 | 6,148 | 564 | 1,072 | 1,972 | 1,766 | 348 | 336 | 90 |
| Madera | 11.0% | 1,819 | 16,590 | 3,509 | 3,567 | 4,324 | 3,371 | 612 | 1,008 | 199 |
| Lassen | 9.3% | 577 | 6,224 | 105 | 1,378 | 2,373 | 1,791 | 320 | 212 | 45 |
| Del Norte | 7.6% | 295 | 3,868 | 258 | 1,478 | 1,080 | 757 | 187 | 90 | 18 |
