Category:Histories of counties in California

• National Register of Historic Places in California by county‎ (59 C)
• Natural history of California by county‎ (48 C)

A

• History of Alameda County, California‎ (12 C, 41 P)
• History of Alpine County, California‎ (3 C, 5 P)
• History of Amador County, California‎ (4 C, 18 P)

B

• History of Butte County, California‎ (5 C, 23 P)

C

• History of Calaveras County, California‎ (4 C, 19 P)
• History of Colusa County, California‎ (4 C, 6 P)
• History of Contra Costa County, California‎ (6 C, 48 P)

D

• History of Del Norte County, California‎ (4 C, 15 P)

E

• History of El Dorado County, California‎ (4 C, 34 P)

F

• History of Fresno County, California‎ (4 C, 8 P)

G

• History of Glenn County, California‎ (3 C, 4 P)

H

• History of Humboldt County, California‎ (6 C, 55 P)

I

• History of Imperial County, California‎ (3 C, 25 P)
• History of Inyo County, California‎ (5 C, 34 P)

K

• History of Kern County, California‎ (5 C, 46 P)
• History of Kings County, California‎ (3 C, 9 P)
• History of Klamath County, California‎ (1 C, 3 P)

L

• History of Lake County, California‎ (8 C, 19 P)
• History of Lassen County, California‎ (3 C, 5 P)
• History of Los Angeles County, California‎ (28 C, 190 P)

M

• History of Madera County, California‎ (2 C, 4 P)
• History of Marin County, California‎ (4 C, 43 P)
• History of Mariposa County, California‎ (3 C, 22 P)
• History of Mendocino County, California‎ (4 C, 14 P)
• History of Merced County, California‎ (3 C, 8 P)
• History of Modoc County, California‎ (5 C, 13 P)
• History of Mono County, California‎ (3 C, 17 P)
• History of Monterey County, California‎ (6 C, 76 P)

N

• History of Napa County, California‎ (5 C, 44 P)
• History of Nevada County, California‎ (5 C, 21 P)

O

• History of Orange County, California‎ (12 C, 70 P)

P

• History of Placer County, California‎ (3 C, 14 P)
• History of Plumas County, California‎ (2 C, 18 P)

R

• History of Riverside County, California‎ (10 C, 43 P)

S

• History of Sacramento County, California‎ (6 C, 37 P)
• History of San Benito County, California‎ (4 C, 15 P)
• History of San Bernardino County, California‎ (8 C, 69 P)
• History of San Diego County, California‎ (9 C, 92 P)
• History of San Francisco‎ (29 C, 265 P)
• History of San Joaquin County, California‎ (4 C, 20 P)
• History of San Luis Obispo County, California‎ (6 C, 28 P)
• History of San Mateo County, California‎ (4 C, 54 P)
• History of Santa Barbara County, California‎ (5 C, 69 P)
• History of Santa Clara County, California‎ (8 C, 69 P)
• History of Santa Cruz County, California‎ (4 C, 31 P)
• History of Shasta County, California‎ (5 C, 52 P)
• History of Sierra County, California‎ (1 C, 12 P)
• History of Siskiyou County, California‎ (2 C, 15 P)
• History of Solano County, California‎ (6 C, 47 P)
• History of Sonoma County, California‎ (5 C, 79 P)
• History of Stanislaus County, California‎ (4 C, 12 P)
• History of Sutter County, California‎ (2 C, 7 P)

T

• History of Tehama County, California‎ (3 C, 18 P)
• History of Trinity County, California‎ (2 C, 5 P)
• History of Tulare County, California‎ (2 C, 20 P)
• History of Tuolumne County, California‎ (3 C, 23 P)

V

• History of Ventura County, California‎ (10 C, 54 P)

Y

• History of Yolo County, California‎ (3 C, 20 P)
• History of Yuba County, California‎ (4 C, 13 P)