| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
| K Flourney | city | California | United States | 41.22333 | -120.53028 | 4461 | 53 |
| Kaci-badon historical | city | California | United States | 39.04028 | -122.9125 | 1325 | 8050 |
| Kadota | city | California | United States | 37.295 | -120.41111 | 196 | 22477 |
| Kaiser | city | California | United States | 34.09389 | -117.48806 | 1131 | 107133 |
| Kalina | city | California | United States | 41.99528 | -121.41917 | 4097 | 504 |
| Kanawyers | city | California | United States | 36.79528 | -118.58389 | 6614 | 280 |
| Kandra | city | California | United States | 41.82611 | -121.39889 | 4084 | 59 |
| Kane Spring | city | California | United States | 33.10917 | -115.83528 | -150 | 250 |
| Karlo | city | California | United States | 40.55056 | -120.31444 | 4498 | 213 |
| Karnak | city | California | United States | 38.785 | -121.65444 | 19 | 2924 |
| Katella Mobile Home Estates subdivision | city | California | United States | 33.805 | -117.98056 | 52 | 411215 |
| Kathryn | city | California | United States | 33.70417 | -117.7525 | 272 | 133194 |
| Kauffman | city | California | United States | 41.23389 | -120.46639 | 4589 | 53 |
| Kaweah | city | California | United States | 36.46972 | -118.9175 | 997 | 252 |
| Kayandee | city | California | United States | 35.3475 | -118.99417 | 387 | 167361 |
| Kearsarge | city | California | United States | 36.80694 | -118.11639 | 3799 | 42 |
| Kecks Corner | city | California | United States | 35.67083 | -120.08083 | 872 | 173 |
| Keddie | city | California | United States | 40.015 | -120.96 | 3799 | 951 |
| Keeler | city | California | United States | 36.48722 | -117.87306 | 3549 | 48 |
| Keenbrook | city | California | United States | 34.24944 | -117.45667 | 2496 | 10382 |
| Keene | city | California | United States | 35.22361 | -118.56139 | 2693 | 579 |
| Kegg | city | California | United States | 41.68944 | -121.98583 | 4517 | 150 |
| Keith | city | California | United States | 34.39417 | -118.95917 | 387 | 8670 |
| Kekawaka | city | California | United States | 40.09556 | -123.51806 | 600 | 163 |
| Keller Place | city | California | United States | 39.71556 | -122.90667 | 4356 | 108 |
| Kellogg | city | California | United States | 38.63222 | -122.67278 | 528 | 2643 |
| Kelly historical | city | California | United States | 40.91944 | -122.10556 | 1833 | 308 |
| Kelsey | city | California | United States | 38.79889 | -120.81972 | 2191 | 3997 |
| Kelseyville | city | California | United States | 38.97806 | -122.83833 | 1394 | 3896 |
| Kelso | city | California | United States | 35.0125 | -115.65278 | 2139 | 70 |
| Ken Mar Gardens Mobile Home Park | city | California | United States | 35.10556 | -120.58889 | 52 | 36797 |
| Kennedy | city | California | United States | 37.93 | -121.25167 | 22 | 124718 |
| Kennedy Meadow | city | California | United States | 38.31167 | -119.74472 | 6709 | 521 |
| Kennett historical | city | California | United States | 40.74167 | -122.40639 | 1040 | 6534 |
| Kenny | city | California | United States | 39.92194 | -123.8975 | 1594 | 233 |
| Keno historical | city | California | United States | 40.75833 | -122.71472 | 4192 | 305 |
| Kensington | city | California | United States | 37.91056 | -122.27917 | 465 | 208654 |
| Kensington Gardens subdivision | city | California | United States | 33.74278 | -117.95583 | 6 | 445784 |
| Kent Woodlands | city | California | United States | 37.94944 | -122.56222 | 196 | 76967 |
| Kentfield | city | California | United States | 37.95222 | -122.55611 | 196 | 76967 |
| Kenton Mill | city | California | United States | 34.63972 | -116.35444 | 1991 | 620 |
| Kentwood-In-The-Pines | city | California | United States | 33.07167 | -116.57472 | 4248 | 423 |
| Kenwood | city | California | United States | 38.41389 | -122.545 | 439 | 13038 |
| Kenwood Estates | city | California | United States | 39.15444 | -121.0675 | 2198 | 15332 |
| Keough Hot Springs | city | California | United States | 37.25472 | -118.37611 | 4179 | 259 |
| Kephart | city | California | United States | 41.58917 | -121.31306 | 4304 | 56 |
| Kerby historical | city | California | United States | 39.82444 | -120.42083 | 4996 | 280 |
| Kerens | city | California | United States | 34.96639 | -115.80583 | 1597 | 70 |
| Kerman | city | California | United States | 36.72361 | -120.05889 | 216 | 8401 |
| Kern City | city | California | United States | 35.35389 | -119.0725 | 377 | 150461 |
| Kern Lake | city | California | United States | 35.14 | -119.07389 | 298 | 1403 |
| Kern subdivision | city | California | United States | 35.38222 | -118.98167 | 485 | 144221 |
| Kernell | city | California | United States | 35.75694 | -119.34306 | 249 | 729 |
| Kernville | city | California | United States | 35.75472 | -118.42444 | 2654 | 258 |
| Kernville historical | city | California | United States | 35.71417 | -118.43583 | 2598 | 342 |
| Kester | city | California | United States | 34.17417 | -118.42333 | 675 | 410149 |
| Keswick | city | California | United States | 40.6225 | -122.46472 | 695 | 9166 |
| Kett | city | California | United States | 40.60722 | -122.46278 | 800 | 9166 |
| Kettenpom | city | California | United States | 40.1575 | -123.45972 | 3093 | 47 |
| Kettleman | city | California | United States | 38.11611 | -121.24222 | 55 | 39084 |
| Kettleman City | city | California | United States | 36.00833 | -119.96083 | 219 | 1041 |
| Kettleman Station | city | California | United States | 35.99889 | -119.96278 | 357 | 1333 |
| Kevet | city | California | United States | 34.36222 | -119.03944 | 354 | 20860 |
| Keyes | city | California | United States | 37.55667 | -120.91444 | 85 | 33908 |
| Keyesville | city | California | United States | 35.62583 | -118.51 | 2814 | 629 |
| Keystone | city | California | United States | 37.83528 | -120.50667 | 1115 | 1364 |
| Keystone | city | California | United States | 33.82528 | -118.27944 | 39 | 268541 |
| Khoonkhwuttunne historical | city | California | United States | 41.94861 | -124.20194 | 164 | 339 |
| Khwunrghunme historical | city | California | United States | 41.53472 | -124.07639 | 374 | 315 |
| Kibesillah | city | California | United States | 39.59028 | -123.77667 | 370 | 174 |
| Kiesel | city | California | United States | 38.66306 | -121.61556 | 6 | 4973 |
| Kilaga Springs | city | California | United States | 38.97111 | -121.24694 | 583 | 4184 |
| Kilkare Woods | city | California | United States | 37.62833 | -121.91111 | 787 | 48934 |
| Kilowatt | city | California | United States | 35.39889 | -119.44639 | 308 | 810 |
| Kimball | city | California | United States | 34.25667 | -119.18833 | 98 | 95380 |
| Kimballville historical | city | California | United States | 34.275 | -119.30278 | 0 | 31132 |
| Kimberly Gardens Mobile Home Park | city | California | United States | 33.61861 | -117.69528 | 396 | 178054 |
| Kimble historical | city | California | United States | 36.36722 | -119.71667 | 196 | 17281 |
| Kincaid | city | California | United States | 34.12861 | -117.93472 | 344 | 142031 |
| King City | city | California | United States | 36.21278 | -121.125 | 331 | 1139 |
| King Farms | city | California | United States | 38.72667 | -121.69028 | 29 | 2684 |
| King Salmon | city | California | United States | 40.73944 | -124.2175 | 39 | 9468 |
| King historical | city | California | United States | 35.04528 | -116.20472 | 1066 | 70 |
| Kings Beach | city | California | United States | 39.23778 | -120.02556 | 6315 | 7426 |
| Kingsburg | city | California | United States | 36.51389 | -119.55306 | 275 | 17937 |
| Kingsville | city | California | United States | 38.67667 | -120.87472 | 1597 | 13293 |
| Kingswood Estates | city | California | United States | 39.25528 | -120.0625 | 6630 | 6199 |
| Kingvale | city | California | United States | 39.32111 | -120.42778 | 6325 | 684 |
| Kinneloa Mesa | city | California | United States | 34.17583 | -118.08333 | 1085 | 104280 |
| Kinyon | city | California | United States | 41.27139 | -121.89306 | 3887 | 70 |
| Kirkville | city | California | United States | 38.90889 | -121.79167 | 32 | 608 |
| Kirkwood | city | California | United States | 39.85528 | -122.16083 | 206 | 3784 |
| Kirkwood | city | California | United States | 38.70278 | -120.07167 | 7798 | 712 |
| Kiska | city | California | United States | 40.06833 | -122.15944 | 324 | 2427 |
| Kismet | city | California | United States | 37.04722 | -120.0925 | 285 | 3767 |
| Kister | city | California | United States | 39.82222 | -121.36222 | 4934 | 397 |
| Kit Carson | city | California | United States | 38.67083 | -120.1125 | 7460 | 589 |
| Kiva Beach | city | California | United States | 38.94056 | -120.05 | 6289 | 6971 |
| Klamath | city | California | United States | 41.52667 | -124.03722 | 196 | 451 |
| Klamath Glen | city | California | United States | 41.51278 | -123.99278 | 200 | 465 |
| Klamath River | city | California | United States | 41.86139 | -122.82444 | 2201 | 595 |
| Klau | city | California | United States | 35.62528 | -120.89056 | 1312 | 788 |
| Klinefelter | city | California | United States | 34.90056 | -114.76611 | 1213 | 42 |
| Klondike | city | California | United States | 34.66833 | -116.00222 | 1597 | 70 |
| Kneeland | city | California | United States | 40.76139 | -123.99361 | 2086 | 2889 |
| Knights Ferry | city | California | United States | 37.81972 | -120.67111 | 200 | 1461 |
| Knights Landing | city | California | United States | 38.79972 | -121.71722 | 19 | 610 |
| Knightsen | city | California | United States | 37.96889 | -121.66694 | 26 | 23126 |
| Knob | city | California | United States | 40.38889 | -122.98694 | 3438 | 280 |
| Knowles | city | California | United States | 37.22 | -119.87306 | 1154 | 1041 |
| Knowles Corner | city | California | United States | 38.3525 | -122.81417 | 177 | 19914 |
| Knowles Junction | city | California | United States | 37.20278 | -119.90806 | 803 | 1041 |
| Knoxville | city | California | United States | 38.82778 | -122.33944 | 1423 | 396 |
| Kobe historical | city | California | United States | 38.57694 | -121.59028 | 9 | 11634 |
| Koloma historical | city | California | United States | 38.8 | -120.88889 | 902 | 4297 |
| Komandorski Village | city | California | United States | 37.71611 | -121.90778 | 360 | 71677 |
| Kona Kai Mobile Home Park subdivision | city | California | United States | 33.73917 | -117.92083 | 32 | 445784 |
| Korbel | city | California | United States | 40.87056 | -123.95722 | 291 | 844 |
| Korbel | city | California | United States | 38.50778 | -122.96333 | 78 | 6975 |
| Korblex | city | California | United States | 40.90361 | -124.07028 | 196 | 14307 |
| Koreatown subdivision | city | California | United States | 34.05778 | -118.3 | 206 | 860229 |
| Kramer | city | California | United States | 34.99444 | -117.585 | 2499 | 1143 |
| Kramer Hills | city | California | United States | 34.92083 | -117.46778 | 2782 | 210 |
| Kramer Junction | city | California | United States | 34.9925 | -117.54083 | 2473 | 210 |
| Kramm | city | California | United States | 39.55306 | -121.58361 | 564 | 6862 |
| Kres | city | California | United States | 39.19861 | -121.01 | 2798 | 17694 |
| Krug | city | California | United States | 38.51806 | -122.48056 | 278 | 8119 |
| Kunuqug historical | city | California | United States | 34.45 | -120.47083 | 0 | 50 |
| Kurand historical | city | California | United States | 39.52972 | -122.28861 | 190 | 3788 |
| Kworatem historical | city | California | United States | 41.37667 | -123.49028 | 600 | 128 |
| Kyan historical | city | California | United States | 35.12528 | -119.26167 | 347 | 234 |
| Kyburz | city | California | United States | 38.77472 | -120.29583 | 4399 | 152 |