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. 94565
3. 90011
4. 90650
5. 91331
6. 92335
7. 90044
8. 90250
9. 91342
10. 90201

20 Richest Counties in California

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

20 Richest Cities in California

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