California Counties Land Area
Total=155,959.34 square miles (403,933 Square Kilometers)
Counties
Counties Map
County Seats
cs
County Land Area
County Mountains
County Sheriffs
County Lakes
County Population
Cities by County
County Area in Square Miles
(Largest to Smallest)
1.
San Bernardino
20,052.50
21.
Santa Barbara
2,737.01
40.
Calaveras
1,020.04
2.
Inyo
10,203.10
22.
Plumas
2,553.69
41.
Yolo
1,013.27
3.
Kern
8,140.96
23.
Tuolumne
2,235.41
42.
Del Norte
1,007.81
4.
Riverside
7,207.37
24.
Madera
2,135.86
43.
Sacramento
965.65
5.
Siskiyou
6,286.78
25.
Merced
1,928.69
44.
Nevada
957.61
6.
Fresno
5,962.73
26.
Ventura
1,845.30
45.
Sierra
953.38
7.
Tulare
4,823.97
27.
El Dorado
1,710.85
46.
Solano
829.19
8.
Lassen
4,557.27
28.
Butte
1,639.49
47.
Orange
789.40
9.
San Diego
4,199.89
29.
Sonoma
1,575.88
48.
Napa
753.73
10.
Imperial
4,174.73
30.
Stanislaus
1,493.79
49.
Alpine
738.62
11.
Los Angeles
4,060.87
31.
Mariposa
1,451.12
50.
Alameda
737.57
12.
Modoc
3,944.10
32.
Placer
1,404.37
51.
Contra Costa
719.95
13.
Shasta
3,785.19
33.
San Joaquin
1,399.28
52.
Yuba
630.69
14.
Humboldt
3,572.49
34.
Kings
1,390.99
53.
Sutter
602.54
15.
Mendocino
3,508.97
35.
San Benito
1,389.06
54.
Amador
592.97
16.
Monterey
3,321.95
36.
Glenn
1,314.79
55.
Marin
519.80
17.
San Luis Obispo
3,304.32
37.
Santa Clara
1,290.69
56.
San Mateo
449.07
18.
Trinity
3,178.61
38.
Lake
1,257.96
57.
Santa Cruz
445.24
19.
Mono
3,044.40
39.
Colusa
1,150.68
58.
San Francisco
46.69
20.
Tehama
2,950.99
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County Area in Square Miles (Smallest to Largest)
1.
San Francisco
46.69
21.
Lake
1,257.96
40.
Mono
3,044.40
2.
Santa Cruz
445.24
22.
Santa Clara
1,290.69
41.
Trinity
3,178.61
3.
San Mateo
449.07
23.
Glenn
1,314.79
42.
San Luis Obispo
3,304.32
4.
Marin
519.80
24.
San Benito
1,389.06
43.
Monterey
3,321.95
5.
Amador
592.97
25.
Kings
1,390.99
44.
Mendocino
3,508.97
6.
Sutter
602.54
26.
San Joaquin
1,399.28
45.
Humboldt
3,572.49
7.
Yuba
630.69
27.
Placer
1,404.37
46.
Shasta
3,785.19
8.
Contra Costa
719.95
28.
Mariposa
1,451.12
47.
Modoc
3,944.10
9.
Alameda
737.57
29.
Stanislaus
1,493.79
48.
Los Angeles
4,060.87
10.
Alpine
738.62
30.
Sonoma
1,575.88
49.
Imperial
4,174.73
11.
Napa
753.73
31.
Butte
1,639.49
50.
San Diego
4,199.89
12.
Orange
789.40
32.
El Dorado
1,710.85
51.
Lassen
4,557.27
13.
Solano
829.19
33.
Ventura
1,845.30
52 .
Tulare
4,823.97
14.
Sierra
953.38
34.
Merced
1,928.69
53.
Fresno
5,962.73
15.
Nevada
957.61
35.
Madera
2,135.86
54.
Siskiyou
6,286.78
16.
Sacramento
965.65
36.
Tuolumne
2,235.41
55.
Riverside
7,207.37
17.
Del Norte
1,007.81
37.
Plumas
2,553.69
56.
Kern
8,140.96
18.
Yolo
1,013.27
38.
Santa Barbara
2,737.01
57.
Inyo
10,203.10
19.
Calaveras
1,020.04
39.
Tehama
2,950.99
58.
San Bernardino
20,052.50
20.
Colusa
1,150.68
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California Counties
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