California: Time Zones, Counties, Cities & Map

Metro and micro areas in California, largest first

25 metro areas and 10 micro areas have counties in California. One crosses into another state; its population is for the whole area. Populations are July 2025 estimates.

1. Los Angeles-Long Beach-Anaheim, CA Metro Area12,844,441 people
2. Riverside-San Bernardino-Ontario, CA Metro Area4,769,007 people
3. San Francisco-Oakland-Fremont, CA Metro Area4,630,041 people
4. San Diego-Chula Vista-Carlsbad, CA Metro Area3,282,248 people
5. Sacramento-Roseville-Folsom, CA Metro Area2,477,274 people
6. San Jose-Sunnyvale-Santa Clara, CA Metro Area1,984,473 people
7. Fresno, CA Metro Area1,203,383 people
8. Bakersfield-Delano, CA Metro Area927,068 people
9. Oxnard-Thousand Oaks-Ventura, CA Metro Area830,851 people
10. Stockton-Lodi, CA Metro Area823,815 people
11. Modesto, CA Metro Area557,719 people
12. Santa Rosa-Petaluma, CA Metro Area486,444 people

Every metro and micro area in the US

Tribal areas in California, largest first

1. Agua Caliente Indian Reservation and Off-Reservation Trust Land28,392 people
2. Colorado River Indian Reservation8,234 people
3. Mechoopda Tribal Designated Statistical Area3,885 people
4. Torres-Martinez Reservation and Off-Reservation Trust Land3,045 people
5. Bishop Reservation2,340 people
6. Hoopa Valley Reservation2,248 people
7. Fort Mojave Reservation and Off-Reservation Trust Land1,648 people
8. Tule River Reservation and Off-Reservation Trust Land1,101 people
9. Fort Yuma Indian Reservation1,070 people
10. Pala Reservation914 people
11. San Pasqual Reservation and Off-Reservation Trust Land833 people
12. Morongo Reservation and Off-Reservation Trust Land787 people

American Indian, Alaska Native and Native Hawaiian areas as the Census Bureau maps them, with at least 2% of their area here, water included. These lines don’t decide membership, jurisdiction or land status.

Counties and equivalents, largest first

These areas overlap the mapped boundary; an overlap does not mean that every address belongs to both.

1. Los Angeles County, California9,694,934 people
2. San Diego County, California3,282,248 people
3. Orange County, California3,149,507 people
4. Riverside County, California2,544,916 people
5. San Bernardino County, California2,224,091 people
6. Santa Clara County, California1,914,391 people
7. Alameda County, California1,636,630 people
8. Sacramento County, California1,618,460 people
9. Contra Costa County, California1,170,070 people
10. Fresno County, California1,035,456 people
11. Kern County, California927,068 people
12. Ventura County, California830,851 people

See all 58 counties and equivalents in California, largest first

Cities, towns and communities, largest first

These areas overlap the mapped boundary; an overlap does not mean that every address belongs to both.

1. Los Angeles, California (city)3,857,263 people
2. San Diego, California (city)1,389,526 people
3. San Jose, California (city)990,138 people
4. San Francisco, California (city)830,235 people
5. Fresno, California (city)545,970 people
6. Sacramento, California (city)528,706 people
7. Long Beach, California (city)455,548 people
8. Oakland, California (city)439,418 people
9. Bakersfield, California (city)411,986 people
10. Anaheim, California (city)344,521 people
11. Stockton, California (city)322,326 people
12. Riverside, California (city)319,069 people

See all 1,619 cities, towns and communities in California, largest first

ZIP Code areas, largest first

These areas overlap the mapped boundary; an overlap does not mean that every address belongs to both.

1. ZIP 92336105,517 people
2. ZIP 94565100,488 people
3. ZIP 90011100,113 people
4. ZIP 9065099,900 people
5. ZIP 9133197,608 people
6. ZIP 9233597,511 people
7. ZIP 9004494,830 people
8. ZIP 9025093,826 people
9. ZIP 9134293,301 people
10. ZIP 9020192,763 people
11. ZIP 9080592,402 people
12. ZIP 9028091,365 people

See all 1,808 ZIP Code areas in California, largest first

Before using this answer on a form

Use a precise point for address-level questions. A device accuracy circle can cross a boundary; confirm tax, voting or jury details with the responsible office.

Find the county where you are now, check its ZIP area, or check the time zone where you are.

See this state on Census.gov ↗