California Demographics Site Map

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Browse California Counties & Cities Alphabetically

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Browse California Zip Codes

• Zip Codes by Population

Largest 10 Counties by Population

1. Los Angeles County
2. San Diego County
3. Orange County
4. Riverside County
5. San Bernardino County
6. Santa Clara County
7. Alameda County
8. Sacramento County
9. Contra Costa County
10. Fresno County

Largest 10 Cities by Population

1. Los Angeles
2. San Diego
3. San Jose
4. San Francisco
5. Fresno
6. Sacramento
7. Long Beach
8. Oakland
9. Bakersfield
10. Anaheim

Largest 10 Zip Codes by Population

1. 92336
2. 90011
3. 90650
4. 94565
5. 91331
6. 90044
7. 92335
8. 90250
9. 90805
10. 90201

20 Richest Counties in California

1. San Mateo County
2. Marin County
3. Santa Clara County
4. San Francisco County
5. Contra Costa County
6. Alameda County
7. Alpine County
8. Napa County
9. Santa Cruz County
10. Orange County
11. Placer County
12. El Dorado County
13. Ventura County
14. Sonoma County
15. San Benito County
16. Santa Barbara County
17. San Diego County
18. Monterey County
19. San Luis Obispo County
20. Los Angeles County

20 Richest Cities in California

1. Atherton
2. Drytown
3. Shell Ridge
4. Hillsborough
5. Portola Valley
6. Los Altos Hills
7. Belvedere
8. Emerald Lake Hills
9. West Menlo Park
10. Monte Sereno
11. Rolling Hills city
12. Woodside
13. Ross
14. Dillon Beach
15. Ladera
16. Hidden Hills
17. Piedmont
18. Loyola
19. Highlands
20. Los Altos