| FIPS code, 2020 | California counties | Number of people in state prison from each county, 2020 | Census population, 2020 | Total population, 2020 | Imprisonment rate per 100,000 |
|---|---|---|---|---|---|
| 06001 | Alameda | 2,286 | 1,682,353 | 1,683,468 | 136 |
| 06003 | Alpine | 4 | 1,204 | 1,207 | 331 |
| 06005 | Amador | 92 | 40,474 | 36,592 | 251 |
| 06007 | Butte | 917 | 211,632 | 212,549 | 431 |
| 06009 | Calaveras | 88 | 45,292 | 45,306 | 194 |
| 06011 | Colusa | 59 | 21,839 | 21,898 | 269 |
| 06013 | Contra Costa | 2,142 | 1,165,927 | 1,168,069 | 183 |
| 06015 | Del Norte | 119 | 27,743 | 25,140 | 473 |
| 06017 | El Dorado | 383 | 191,185 | 191,457 | 200 |
| 06019 | Fresno | 3,964 | 1,008,654 | 1,008,526 | 393 |
| 06021 | Glenn | 83 | 28,917 | 28,916 | 287 |
| 06023 | Humboldt | 471 | 136,463 | 136,810 | 344 |
| 06025 | Imperial | 352 | 179,702 | 173,626 | 203 |
| 06027 | Inyo | 44 | 19,016 | 18,963 | 232 |
| 06029 | Kern | 3,969 | 909,235 | 892,674 | 445 |
| 06031 | Kings | 935 | 152,486 | 140,322 | 666 |
| 06033 | Lake | 328 | 68,163 | 68,401 | 480 |
| 06035 | Lassen | 92 | 32,730 | 25,286 | 364 |
| 06037 | Los Angeles | 40,414 | 10,014,009 | 10,047,926 | 402 |
| 06039 | Madera | 656 | 156,255 | 151,113 | 434 |
| 06041 | Marin | 206 | 262,321 | 258,555 | 80 |
| 06043 | Mariposa | 53 | 17,131 | 17,094 | 310 |
| 06045 | Mendocino | 186 | 91,601 | 91,624 | 203 |
| 06047 | Merced | 998 | 281,202 | 281,099 | 355 |
| 06049 | Modoc | 39 | 8,700 | 8,673 | 450 |
| 06051 | Mono | 22 | 13,195 | 13,217 | 166 |
| 06053 | Monterey | 1,537 | 439,035 | 434,660 | 354 |
| 06055 | Napa | 279 | 138,019 | 138,298 | 202 |
| 06057 | Nevada | 126 | 102,241 | 102,284 | 123 |
| 06059 | Orange | 6,021 | 3,186,989 | 3,193,010 | 189 |
| 06061 | Placer | 568 | 404,739 | 405,307 | 140 |
| 06063 | Plumas | 49 | 19,790 | 19,839 | 247 |
| 06065 | Riverside | 9,340 | 2,418,185 | 2,417,438 | 386 |
| 06067 | Sacramento | 6,767 | 1,585,055 | 1,584,884 | 427 |
| 06069 | San Benito | 129 | 64,209 | 64,338 | 201 |
| 06071 | San Bernardino | 7,708 | 2,181,654 | 2,180,152 | 354 |
| 06073 | San Diego | 8,799 | 3,298,634 | 3,302,262 | 266 |
| 06075 | San Francisco | 1,028 | 873,965 | 874,993 | 117 |
| 06077 | San Joaquin | 2,828 | 779,233 | 777,313 | 364 |
| 06079 | San Luis Obispo | 598 | 282,424 | 279,216 | 214 |
| 06081 | San Mateo | 975 | 764,442 | 765,417 | 127 |
| 06083 | Santa Barbara | 1,206 | 448,229 | 446,704 | 270 |
| 06085 | Santa Clara | 3,887 | 1,936,259 | 1,940,140 | 200 |
| 06087 | Santa Cruz | 573 | 270,861 | 271,352 | 211 |
| 06089 | Shasta | 1,215 | 182,155 | 183,199 | 663 |
| 06091 | Sierra | 8 | 3,236 | 3,244 | 247 |
| 06093 | Siskiyou | 212 | 44,076 | 44,207 | 480 |
| 06095 | Solano | 1,065 | 453,491 | 447,857 | 238 |
| 06097 | Sonoma | 850 | 488,863 | 489,713 | 174 |
| 06099 | Stanislaus | 1,852 | 552,878 | 554,730 | 334 |
| 06101 | Sutter | 293 | 99,633 | 99,926 | 293 |
| 06103 | Tehama | 367 | 65,829 | 65,973 | 556 |
| 06105 | Trinity | 63 | 16,112 | 16,101 | 391 |
| 06107 | Tulare | 2,253 | 473,117 | 475,056 | 474 |
| 06109 | Tuolumne | 229 | 55,620 | 53,008 | 432 |
| 06111 | Ventura | 1,729 | 843,843 | 845,390 | 205 |
| 06113 | Yolo | 519 | 216,403 | 216,922 | 239 |
| 06115 | Yuba | 418 | 81,575 | 81,993 | 510 |