State 06 · CA
California county map
California has 58 counties. San Bernardino County is the largest by land at 20,068 square miles, and Los Angeles County is the most populous with 9,757,179 residents.
- Population 2024
- 39,431,263
- #1 of 51
- Land area
- 155,859 sq mi
- #3 of 51
- Density
- 253.0 / sq mi
- #12 of 51
- Counties
- 58
- Capital: Sacramento
Map of all 58 counties in California
Every county is labeled on Census 2024 boundaries. Download it as a PDF to print, a PNG, or an editable SVG. For blank, colored or city versions, see the printable California map sheets.
California population and land area
California had 39,431,263 residents in the Census Vintage 2024 estimates, the sum of its counties. That ranks 1st of the 50 states and DC. Its 155,859 square miles of land rank 3rd. California averages 253.0 people per square mile of land, 2.6 times the national figure of 96.3. By density it ranks 12th.
- Population, 2024
- 39,431,2631st of 51
- Land area
- 155,859 sq mi3rd of 51
- Density
- 253.0 per sq mi12th of 51
- Number of counties
- 58
- Capital
- Sacramento38.577° N, 121.494° W
- State FIPS code
- 06
California counties by population, density and income
Each shape is shaded by quintile, darker for higher values. Switch the measure above the map. Select a shape to open that county's page. The pin marks the capital, Sacramento.
- < 22
- 22+
- 71+
- 153+
- 493+
Largest county in California by land area
San Bernardino County ranks first at 20,068 square miles and San Francisco County last at 47 square miles. The gap is more than a hundredfold.
- 01San Bernardino County20,068
- 02Inyo County10,197
- 03Kern County8,135
- 04Riverside County7,209
- 05Siskiyou County6,279
- 06Fresno County5,959
- 07Tulare County4,824
- 08Lassen County4,541
- 09San Diego County4,210
- 10Imperial County4,176
Most populous county in California
Los Angeles County ranks first at 9,757,179 residents and Alpine County last at 1,099 residents. The gap is more than a hundredfold.
- 01Los Angeles County9,757,179
- 02San Diego County3,298,799
- 03Orange County3,170,435
- 04Riverside County2,529,933
- 05San Bernardino County2,214,281
- 06Santa Clara County1,926,325
- 07Alameda County1,649,060
- 08Sacramento County1,611,231
- 09Contra Costa County1,172,607
- 10Fresno County1,024,125
Least populous county in California
The smallest populations, fewest first. Estimates for small counties carry more uncertainty than those for large ones.
- 01Alpine County1,099
- 02Sierra County3,113
- 03Modoc County8,491
- 04Mono County12,991
- 05Trinity County15,642
Most densely populated county in California
San Francisco County ranks first at 17,723.8 people per square mile and Alpine County last at 1.5 people per square mile. The gap is more than a hundredfold.
- 01San Francisco County17,723.8
- 02Orange County3,998.7
- 03Los Angeles County2,403.1
- 04Alameda County2,236.1
- 05Sacramento County1,669.2
- 06San Mateo County1,656.0
- 07Contra Costa County1,635.7
- 08Santa Clara County1,492.0
- 09San Diego County783.5
- 10Santa Cruz County589.5
Highest median household income in California
Santa Clara County ranks first at $154,573 and Modoc County last at $51,996. The top value is 3.0 times the bottom one.
- 01Santa Clara County$154,573
- 02San Mateo County$151,004
- 03Marin County$139,197
- 04San Francisco County$125,456
- 05Contra Costa County$122,000
- 06Alameda County$119,230
- 07Placer County$110,020
- 08Orange County$109,768
- 09El Dorado County$107,063
- 10Ventura County$106,526
Towns and cities in California
The Census Vintage 2024 subcounty estimates list 468 incorporated places in California with 1,000 or more residents, holding 32,969,289 people together, or 84% of the state total. 429 of them have 5,000 or more. The northernmost is Crescent City at 41.765° N and the southernmost is Imperial Beach at 32.569° N. Among places of 5,000+, Paradise grew fastest from July 2020 to July 2024, by 79.1%.
- 01Los Angeles3,878,704
- 02San Diego1,404,452
- 03San Jose997,368
- 04San Francisco827,526
- 05Fresno550,105
- 06Sacramento535,798
- 07Long Beach450,901
- 08Oakland443,554
- 09Bakersfield417,468
- 10Anaheim344,561
- 11Stockton324,975
- 12Riverside323,757
Sacramento, the capital
27.5% of California's place population, 9,050,253 of 32,969,289 people, lives in places within 100 miles of Sacramento. That ranks 44th of 51 for how central the capital is. The most remote town of 1,000 to 9,999 people is Bishop, 79 miles in a straight line from the nearest place of 10,000+ (Reedley).
See all states in the capital radius ranking and the most remote towns ranking. Sunrise and sunset times for Sacramento, month by month, are on the Sacramento daylight page.
States bordering California
California borders 3 states or districts. The nearest neighboring capital is Carson City, 101 miles ENE of Sacramento in a straight line.
UTM zones in California
The internal points of California's counties fall in UTM zones 10, 11. Zones are 6 degrees of longitude wide, numbered from 180° W: zone = floor((longitude + 180) / 6) + 1. Because California spans 2 zones, no single UTM zone covers the whole state.
All 58 counties in California
Sort by any column. The small orange number marks the top 3 in the state by population.
| FIPS | |||||
|---|---|---|---|---|---|
| 06037 | Los Angeles County | 9,757,179#1 | 4,060 | 2,403.1 | $86,499 |
| 06073 | San Diego County | 3,298,799#2 | 4,210 | 783.5 | $103,476 |
| 06059 | Orange County | 3,170,435#3 | 793 | 3,998.7 | $109,768 |
| 06065 | Riverside County | 2,529,933 | 7,209 | 350.9 | $90,251 |
| 06071 | San Bernardino County | 2,214,281 | 20,068 | 110.3 | $84,576 |
| 06085 | Santa Clara County | 1,926,325 | 1,291 | 1,492.0 | $154,573 |
| 06001 | Alameda County | 1,649,060 | 737 | 2,236.1 | $119,230 |
| 06067 | Sacramento County | 1,611,231 | 965 | 1,669.2 | $89,984 |
| 06013 | Contra Costa County | 1,172,607 | 717 | 1,635.7 | $122,000 |
| 06019 | Fresno County | 1,024,125 | 5,959 | 171.9 | $71,271 |
| 06029 | Kern County | 922,529 | 8,135 | 113.4 | $68,436 |
| 06111 | Ventura County | 835,427 | 1,841 | 453.8 | $106,526 |
| 06075 | San Francisco County | 827,526 | 47 | 17,723.8 | $125,456 |
| 06077 | San Joaquin County | 816,108 | 1,392 | 586.2 | $86,211 |
| 06081 | San Mateo County | 742,893 | 449 | 1,656.0 | $151,004 |
| 06099 | Stanislaus County | 556,972 | 1,496 | 372.3 | $81,582 |
| 06097 | Sonoma County | 485,375 | 1,575 | 308.1 | $100,157 |
| 06107 | Tulare County | 483,546 | 4,824 | 100.2 | $71,368 |
| 06095 | Solano County | 455,101 | 822 | 553.8 | $99,117 |
| 06083 | Santa Barbara County | 444,500 | 2,734 | 162.6 | $90,155 |
| 06053 | Monterey County | 436,251 | 3,282 | 132.9 | $86,809 |
| 06061 | Placer County | 433,822 | 1,407 | 308.3 | $110,020 |
| 06047 | Merced County | 296,774 | 1,938 | 153.1 | $58,962 |
| 06079 | San Luis Obispo County | 281,843 | 3,301 | 85.4 | $89,809 |
| 06087 | Santa Cruz County | 262,406 | 445 | 589.5 | $102,723 |
| 06041 | Marin County | 256,400 | 520 | 492.9 | $139,197 |
| 06113 | Yolo County | 225,251 | 1,013 | 222.4 | $91,192 |
| 06007 | Butte County | 208,334 | 1,637 | 127.3 | $63,084 |
| 06017 | El Dorado County | 192,823 | 1,708 | 112.9 | $107,063 |
| 06025 | Imperial County | 181,724 | 4,176 | 43.5 | $58,768 |
| 06089 | Shasta County | 181,121 | 3,776 | 48.0 | $71,935 |
| 06039 | Madera County | 165,432 | 2,137 | 77.4 | $66,084 |
| 06031 | Kings County | 154,913 | 1,391 | 111.4 | $65,768 |
| 06055 | Napa County | 132,727 | 752 | 176.5 | $100,469 |
| 06023 | Humboldt County | 132,380 | 3,568 | 37.1 | $61,307 |
| 06057 | Nevada County | 102,195 | 958 | 106.7 | $87,142 |
| 06101 | Sutter County | 98,545 | 603 | 163.5 | $71,968 |
| 06045 | Mendocino County | 89,175 | 3,507 | 25.4 | $65,891 |
| 06115 | Yuba County | 87,469 | 632 | 138.4 | $71,493 |
| 06069 | San Benito County | 69,159 | 1,389 | 49.8 | $105,112 |
| 06033 | Lake County | 67,764 | 1,255 | 54.0 | $57,945 |
| 06103 | Tehama County | 64,451 | 2,949 | 21.9 | $58,333 |
| 06109 | Tuolumne County | 53,893 | 2,221 | 24.3 | $72,329 |
| 06009 | Calaveras County | 46,505 | 1,020 | 45.6 | $77,041 |
| 06093 | Siskiyou County | 42,498 | 6,279 | 6.8 | $58,975 |
| 06005 | Amador County | 42,026 | 595 | 70.7 | $80,767 |
| 06035 | Lassen County | 28,340 | 4,541 | 6.2 | $77,743 |
| 06021 | Glenn County | 28,304 | 1,314 | 21.5 | $64,197 |
| 06015 | Del Norte County | 27,009 | 1,006 | 26.8 | $70,231 |
| 06011 | Colusa County | 22,074 | 1,151 | 19.2 | $66,675 |
| 06063 | Plumas County | 18,834 | 2,553 | 7.4 | $64,121 |
| 06027 | Inyo County | 18,485 | 10,197 | 1.8 | $71,656 |
| 06043 | Mariposa County | 17,048 | 1,449 | 11.8 | $64,352 |
| 06105 | Trinity County | 15,642 | 3,179 | 4.9 | $52,079 |
| 06051 | Mono County | 12,991 | 3,049 | 4.3 | $82,973 |
| 06049 | Modoc County | 8,491 | 3,948 | 2.2 | $51,996 |
| 06091 | Sierra County | 3,113 | 953 | 3.3 | $67,675 |
| 06003 | Alpine County | 1,099 | 738 | 1.5 | $83,265 |
Sources and data as of
Data as of: Census Vintage 2024 population estimates, 2024 Gazetteer land area and internal points, SAIPE 2023 median household income.
- 01Census Vintage 2024 county population estimates
- 02Census 2024 Gazetteer, counties
- 03Census SAIPE 2023 state and county estimates
- 04Census Vintage 2024 subcounty population estimates
- 05Census 2024 Gazetteer, places
- 06Census 2024 cartographic boundary file, counties (1:5,000,000)
How every number is computed: methodology. Spotted a wrong figure? Report an error.