|
Letter
|
Population
|
County
|
L
|
9,829,544
|
Los Angeles
|
S
|
3,286,069
|
San Diego
|
O
|
3,167,809
|
Orange
|
R
|
2,458,395
|
Riverside
|
S
|
2,194,710
|
San Bernardino
|
S
|
1,885,508
|
Santa Clara
|
A
|
1,648,556
|
Alameda
|
S
|
1,588,921
|
Sacramento
|
C
|
1,161,413
|
Contra Costa
|
F
|
1,013,581
|
Fresno
|
K
|
917,673
|
Kern
|
V
|
839,784
|
Ventura
|
S
|
815,201
|
San Francisco
|
S
|
789,410
|
San Joaquin
|
S
|
737,888
|
San Mateo
|
S
|
552,999
|
Stanislaus
|
S
|
485,887
|
Sonoma
|
T
|
477,054
|
Tulare
|
S
|
451,716
|
Solano
|
S
|
446,475
|
Santa Barbara
|
M
|
437,325
|
Monterey
|
P
|
412,300
|
Placer
|
M
|
286,461
|
Merced
|
S
|
283,159
|
San Luis Obispo
|
S
|
267,792
|
Santa Cruz
|
M
|
260,206
|
Marin
|
Y
|
216,986
|
Yolo
|
B
|
208,309
|
Butte
|
E
|
193,221
|
El Dorado
|
|
Letter
|
Population
|
County
|
S
|
182,139
|
Shasta
|
I
|
179,851
|
Imperial
|
M
|
159,410
|
Madera
|
K
|
153,443
|
Kings
|
H
|
136,310
|
Humboldt
|
N
|
136,207
|
Napa
|
N
|
103,487
|
Nevada
|
S
|
99,063
|
Sutter
|
M
|
91,305
|
Mendocino
|
Y
|
83,421
|
Yuba
|
L
|
68,766
|
Lake
|
S
|
66,677
|
San Benito
|
T
|
65,498
|
Tehama
|
T
|
55,810
|
Tuolumne
|
C
|
46,221
|
Calaveras
|
S
|
44,118
|
Siskiyou
|
A
|
41,259
|
Amador
|
L
|
33,159
|
Lassen
|
G
|
28,805
|
Glenn
|
D
|
28,100
|
Del Norte
|
C
|
21,917
|
Colusa
|
P
|
19,915
|
Plumas
|
I
|
18,970
|
Inyo
|
M
|
17,147
|
Mariposa
|
T
|
16,060
|
Trinity
|
M
|
13,247
|
Mono
|
M
|
8,661
|
Modoc
|
S
|
3,283
|
Sierra
|
A
|
1,235
|
Alpine
|
|