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California County Codes

 

COUNTY CODE

COUNTY

COUNTY CODE

COUNTY

01

Alameda

32

Plumas

02

Alpine

33

Riverside

03

Amador

34

Sacramento

04

Butte

35

San Benito

05

Calaveras

36

San Bernardino

06

Colusa

37

San Diego

07

Contra Costa

38

San Francisco

08

Del Norte

39

San Joaquin

09

El Dorado

40

San Luis Obispo

10

Fresno

41

San Mateo

11

Glenn

42

Santa Barbara

12

Humboldt

43

Santa Clara

13

Imperial

44

Santa Cruz

14

Inyo

45

Shasta

15

Kern

46

Sierra

16

Kings

47

Siskiyou

17

Lake

48

Solano

18

Lassen

49

Sonoma

19

Los Angeles

50

Stanislaus

20

Madera

51

Sutter

21

Marin

52

Tehama

22

Mariposa

53

Trinity

23

Mendocino

54

Tulare

24

Merced

55

Tuolumne

25

Modoc

56

Ventura

26

Mono

57

Yolo

27

Monterey

58

Yuba

28

Napa

60

Alameda

29

Neveda

70

Los Angeles

30

Orange

80

San Diego

31

Placer

90

San Francisco

 

 

 

 

Age Group

 

                       0   =  100 PLUS YEARS
           1   =  01-99 YEARS
           2   =  01-11 MONTHS
           3   =  01-27 DAYS
           4   =  01-23 HOURS
           5   =  01-59 MINUTES
           6   =  00 AGE NOT STATED (NOT USED AFTER 1993)
           5   =  99 UNKNOWN < 1 YEAR OLD (ADDED IN 1994)
           9   =  99 UNKNOWN > 1 YEAR OLD (ADDED IN 1994)