Iris, California
Irish Town, California
Irmulco, California
Iron Horse, California
Irrigosa, California
Irvine, California
Irwin, California
Irwindale, California
Isla Vista, California
Isleton, California
Italian Swiss Colony, California
Ivanhoe, California
Ivanpah, California
Ivesta, California
Jacinto, California
Jackson, California
Jacobs Corner, California
Jacumba Hot Springs, California
James, California
Jamesan, California
Jamesburg, California
Jamestown, California
Jamul, California
Janesville, California
Jasmin, California
Jastro, California
Jayhawk, California
Jellico, California
Jenks Place, California
Jenner, California
Jenny Lind, California
Jerseydale, California
Jesmond Dene, California
Jesus Maria, California
Jewell, California
Jim Leggett Place, California
Johannesburg, California
Johnson Valley, California
Johnsons, California
Johnstonville, California