CountyAtlas

California County Map with Cities — All 58 Counties

All 58 of California's counties, mapped from official U.S. Census boundaries with population, income, and unemployment for every one. Color the map by any measure, tap a county for its data, or download a print-ready copy.

California CountiesFIPS 06
Alameda CountyAlpine CountyAmador CountyButte CountyCalaveras CountyColusa CountyContra Costa CountyDel Norte CountyEl Dorado CountyFresno CountyGlenn CountyHumboldt CountyImperial CountyInyo CountyKern CountyKings CountyLake CountyLassen CountyLos Angeles CountyMadera CountyMarin CountyMariposa CountyMendocino CountyMerced CountyModoc CountyMono CountyMonterey CountyNapa CountyNevada CountyOrange CountyPlacer CountyPlumas CountyRiverside CountySacramento CountySan Benito CountySan Bernardino CountySan Diego CountySan Francisco CountySan Joaquin CountySan Luis Obispo CountySan Mateo CountySanta Barbara CountySanta Clara CountySanta Cruz CountyShasta CountySierra CountySiskiyou CountySolano CountySonoma CountyStanislaus CountySutter CountyTehama CountyTrinity CountyTulare CountyTuolumne CountyVentura CountyYolo CountyYuba CountyLos AngelesSan DiegoSan JoseSan FranciscoFresnoSacramentoBakersfieldAnaheimStocktonSanta Clarita Siskiyou  Lassen  Humboldt  Mendocino  Kings  Sierra  Los Angeles  San Diego  San Jose  San Francisco  Fresno  Sacramento  Bakersfield  Anaheim  Stockton  Santa Clarita Los AngelesSan DiegoSan JoseSan FranciscoFresnoSacramentoLong BeachOaklandBakersfieldAnaheimRiverside Inyo  Siskiyou  Tulare  Lassen  Modoc  Humboldt  Mendocino  Santa Barbara  Monterey  Mono  Tehama  Sonoma  Placer  Sierra  Los Angeles  San Diego  San Jose  San Francisco  Fresno  Sacramento  Long Beach  Oakland  Bakersfield  Anaheim  Riverside Los AngelesSan DiegoSan JoseSan FranciscoFresnoSacramentoLong BeachOaklandBakersfieldAnaheimRiversideChula VistaSanta Clarita San Bernardino  Inyo  Siskiyou  Tulare  Lassen  Imperial  Modoc  Humboldt  Mendocino  Shasta  Santa Barbara  Monterey  Mono  Tehama  Plumas  Sonoma  Placer  Kings  San Benito  Calaveras  Sierra  Los Angeles  San Diego  San Jose  San Francisco  Fresno  Sacramento  Long Beach  Oakland  Bakersfield  Anaheim  Riverside  Chula Vista  Santa Clarita Los AngelesSan DiegoSan JoseSan FranciscoFresnoSacramentoLong BeachOaklandBakersfieldAnaheimStocktonRiversideChula VistaSanta Clarita San Bernardino  Inyo  Siskiyou  Tulare  Lassen  Imperial  Modoc  Humboldt  Mendocino  Shasta  Santa Barbara  Monterey  San Luis Obispo  Mono  Tehama  Plumas  Madera  Sonoma  Butte  Placer  Kings  San Benito  Lake  Del Norte  Sierra  Sutter  Los Angeles  San Diego  San Jose  San Francisco  Fresno  Sacramento  Long Beach  Oakland  Bakersfield  Anaheim  Stockton  Riverside  Chula Vista  Santa Clarita 
Albers Equal Area ConicDatum WGS 84Census PEP V2025 · Census SAIPE 2024 · BLS LAUS September 2026, preliminary · Census TIGER 2026
CountyAtlasEdition
California’s 58 counties, projected equal-area. Hover over a county, or tap it, for its seat and key numbers; select it for all its data.
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Tap any county for its population, income, and more.

California at a glance

California’s 58 counties, by the numbers

The table lists every county’s population, median household income, unemployment, density, and land area. Sort it by any column to find yours or rank them. A few patterns stand out:

  • Concentrated. Half of California’s 39,355,309 residents live in just 5 of 58 counties, and the 5 largest hold 53.1% of the total. calculated from Census PEP V2025
  • Income tracks poverty. The gap from richest to poorest runs 3.3×, and the 10 highest-income counties average 8.7% in poverty against 18.9% for the 10 lowest. calculated from Census SAIPE 2024
  • The median county. Half of California’s counties have fewer than 186,986 residents, and half report a median household income below $79,246. calculated from Census PEP V2025 · Census SAIPE 2024
  • Lopsided density. Only 18 of 58 counties are denser than California’s statewide average of 253 people per square mile. calculated from Census PEP V2025 · Census TIGER 2026
Alameda County1,636,630$128,0314.7%2,219/sq mi737 sq miOakland
Alpine County1,043$74,44010.0%1/sq mi738 sq miMarkleeville
Amador County41,876$85,6255.8%70/sq mi595 sq miJackson
Butte County209,211$65,1435.9%128/sq mi1,637 sq miOroville
Calaveras County46,605$79,8526.2%46/sq mi1,020 sq miSan Andreas
Colusa County21,836$69,1498.6%19/sq mi1,151 sq miColusa
Contra Costa County1,170,070$126,7874.8%1,632/sq mi717 sq miMartinez
Del Norte County26,410$58,7736.0%26/sq mi1,006 sq miCrescent City
El Dorado County192,323$107,2895.0%113/sq mi1,708 sq miPlacerville
Fresno County1,035,456$74,2447.4%174/sq mi5,959 sq miFresno
Glenn County28,141$66,0616.5%21/sq mi1,314 sq miWillows
Humboldt County131,647$58,9605.2%37/sq mi3,568 sq miEureka
Imperial County181,411$60,47720.8%43/sq mi4,175 sq miEl Centro
Inyo County18,158$73,4024.6%2/sq mi10,197 sq miIndependence
Kern County927,068$71,2957.9%114/sq mi8,135 sq miBakersfield
Kings County154,327$71,7318.1%111/sq mi1,391 sq miHanford
Lake County67,772$55,4897.1%54/sq mi1,255 sq miLakeport
Lassen County28,117$68,1856.2%6/sq mi4,541 sq miSusanville
Los Angeles County9,694,934$90,7574.5%2,388/sq mi4,060 sq miLos Angeles
Madera County167,927$71,1617.0%79/sq mi2,137 sq miMadera
Marin County253,694$145,3954.3%488/sq mi520 sq miSan Rafael
Mariposa County16,918$68,4245.5%12/sq mi1,449 sq miMariposa
Mendocino County88,122$67,3035.2%25/sq mi3,507 sq miUkiah
Merced County297,260$65,3258.1%153/sq mi1,938 sq miMerced
Modoc County8,426$57,3906.1%2/sq mi3,948 sq miAlturas
Mono County12,505$91,6674.4%4/sq mi3,049 sq miBridgeport
Monterey County433,729$91,7615.5%132/sq mi3,282 sq miSalinas
Napa County132,949$116,1394.2%177/sq mi752 sq miNapa
Nevada County101,911$98,8734.8%106/sq mi958 sq miNevada City
Orange County3,149,507$114,8584.3%3,970/sq mi793 sq miSanta Ana
Placer County442,081$115,8454.4%314/sq mi1,407 sq miAuburn
Plumas County18,583$72,0685.6%7/sq mi2,553 sq miQuincy
Riverside County2,544,916$92,6115.9%353/sq mi7,209 sq miRiverside
Sacramento County1,618,460$93,3315.1%1,677/sq mi965 sq miSacramento
San Benito County70,082$109,0025.7%50/sq mi1,389 sq miHollister
San Bernardino County2,224,091$87,6655.5%111/sq mi20,068 sq miSan Bernardino
San Diego County3,282,248$108,7544.7%779/sq mi4,211 sq miSan Diego
San Francisco County826,079$137,1844.0%17,693/sq mi47 sq miSan Francisco
San Joaquin County823,815$91,8546.2%592/sq mi1,392 sq miStockton
San Luis Obispo County282,367$99,6464.6%86/sq mi3,301 sq miSan Luis Obispo
San Mateo County743,568$158,5693.9%1,658/sq mi449 sq miRedwood City
Santa Barbara County442,065$94,5724.5%162/sq mi2,734 sq miSanta Barbara
Santa Clara County1,914,391$166,9844.2%1,483/sq mi1,291 sq miSan Jose
Santa Cruz County258,852$105,4375.1%582/sq mi445 sq miSanta Cruz
Shasta County181,648$70,6205.2%48/sq mi3,776 sq miRedding
Sierra County3,098$69,1044.1%3/sq mi953 sq miDownieville
Siskiyou County42,013$60,4326.7%7/sq mi6,279 sq miYreka
Solano County455,376$94,9685.3%554/sq mi822 sq miFairfield
Sonoma County486,444$105,9564.3%309/sq mi1,575 sq miSanta Rosa
Stanislaus County557,719$77,8126.6%373/sq mi1,496 sq miModesto
Sutter County98,787$74,1837.1%164/sq mi603 sq miYuba City
Tehama County64,665$62,8225.9%22/sq mi2,949 sq miRed Bluff
Trinity County15,720$50,4815.4%5/sq mi3,179 sq miWeaverville
Tulare County485,146$68,9079.8%101/sq mi4,824 sq miVisalia
Tuolumne County53,160$78,6395.5%24/sq mi2,221 sq miSonora
Ventura County830,851$112,8724.9%451/sq mi1,841 sq miSan Buenaventura (Ventura)
Yolo County224,410$87,3865.5%222/sq mi1,013 sq miWoodland
Yuba County88,691$74,2736.5%140/sq mi632 sq miMarysville

Click a column heading to sort all 58 counties. A suppressed estimate (coefficient of variation ≥ 0.30) shows a marker, never a guess. County seats are from Wikidata (CC0), each validated to a Census place inside its county. Where Wikidata has none, the seat comes from the page cited for that county in the seat file, and where the table names no seat, it says why. See the methodology.

Download & print this California map

Map of California's 58 counties on official U.S. Census boundaries, with major cities: Los Angeles, San Diego, San Jose, San Francisco, Fresno, Sacramento

Free, print-ready maps of all 58 California counties on official U.S. Census boundaries, with no watermark. They are public domain (CC0).

  • Full map (counties and major cities): PNG · PDF
  • Blank outline to print and label yourself: PNG · PDF
  • Counties only, labeled, for reference: PNG · PDF

California maps, colored by the data

Map of California counties shaded by population, from official U.S. Census data
Population Map by County · Census PEP V2025
Map of California counties shaded by median household income, from official U.S. Census data
Median Household Income Map by County · Census SAIPE 2024
Map of California counties shaded by unemployment rate, from U.S. Bureau of Labor Statistics data
Unemployment Rate Map by County · BLS LAUS September 2026, preliminary

Cities in California

California has 483 incorporated cities and towns. The largest is Los Angeles in Los Angeles County with 3,857,263 residents. Use the search on the map above to find any city and highlight the county it sits in.

Los AngelesLos Angeles County3,857,263
San DiegoSan Diego County1,389,526
San JoseSanta Clara County990,138
San FranciscoSan Francisco County830,235
FresnoFresno County545,970
SacramentoSacramento County528,706
Long BeachLos Angeles County455,548
OaklandAlameda County439,418
BakersfieldKern County411,986
AnaheimOrange County344,521
StocktonSan Joaquin County322,326
RiversideRiverside County319,069
Santa AnaOrange County312,534
IrvineOrange County311,690
Chula VistaSan Diego County276,375
Santa ClaritaLos Angeles County230,221
FremontAlameda County228,295
San BernardinoSan Bernardino County222,724
ModestoStanislaus County219,215
FontanaSan Bernardino County214,169
Moreno ValleyRiverside County211,666
OxnardVentura County200,928
Huntington BeachOrange County195,240
GlendaleLos Angeles County190,748
OntarioSan Bernardino County180,547
Elk GroveSacramento County179,155
Santa RosaSonoma County177,090
Rancho CucamongaSan Bernardino County175,411
OceansideSan Diego County172,242
Garden GroveOrange County170,964
LancasterLos Angeles County169,169
PalmdaleLos Angeles County164,634
SalinasMonterey County161,761
CoronaRiverside County159,670
HaywardAlameda County158,801
RosevillePlacer County155,955
SunnyvaleSanta Clara County154,236
EscondidoSan Diego County149,668
PomonaLos Angeles County147,943
VisaliaTulare County143,939
TorranceLos Angeles County142,130
FullertonOrange County140,968
OrangeOrange County138,266
VictorvilleSan Bernardino County137,627
PasadenaLos Angeles County136,969
Santa ClaraSanta Clara County130,256
Simi ValleyVentura County125,634
Thousand OaksVentura County125,205
ClovisFresno County124,725
VallejoSolano County124,268

The table shows the 50 most populous. Search the map above for the other 433.

A city can reach into more than one county. The table names the one its center falls in; “+N more” counts the others, from the Census Bureau’s count of each city by county part Census ACS 2020–2024 place parts.

Which California county is the richest, largest, most crowded? The answers

  • California’s highest median household income is in Santa Clara County ($166,984); the lowest is in Trinity County ($50,481). Census SAIPE 2024
  • California’s most populous county is Los Angeles County (9,694,934); the least populous is Alpine County (1,043), a 9,295× spread. calculated from Census PEP V2025
  • California’s largest county by land area is San Bernardino County (20,068 sq mi); the smallest is San Francisco County (47 sq mi). Census TIGER 2026
  • California’s highest population density is in San Francisco County (17,693/sq mi); the lowest is in Alpine County (1/sq mi). calculated from Census PEP V2025 · Census TIGER 2026
  • California’s highest poverty rate is in Trinity County (23.0%); the lowest is in Placer County (6.8%). Census SAIPE 2024
  • In California, unemployment is highest in Imperial County (20.8%) and lowest in San Mateo County (3.9%), for September 2026 (preliminary). BLS LAUS September 2026, preliminary
  • California’s highest median age is in Trinity County (54.9); the lowest is in Merced County (31.8). Census ACS 2020–2024
  • California’s highest share of adults 25 and over with a bachelor’s degree or higher is in Marin County (61.1%); the lowest is in Lassen County (13.1%). Census ACS 2020–2024

Every figure is a current official estimate from the source named, never a crowd-sourced or copied value. Suppressed estimates (coefficient of variation ≥ 0.30) are omitted, never guessed. See the full methodology.

California counties: common questions

How many counties are in California?

California has 58 counties covering 155,860 sq mi and about 39.4M residents. Every one is on the map and in the table above.

What is the largest county in California?

It depends on the measure. By land area it’s San Bernardino County (20,068 sq mi); by population it’s Los Angeles County (9,694,934 residents).

What county is Los Angeles in?

Los Angeles, population 3,857,263, is in Los Angeles County. Use the search on the map to find any California city’s county.

What is the richest county in California?

By median household income, Santa Clara County is the richest at $166,984; the poorest is Trinity County at $50,481. Census SAIPE 2024

What is the most populous county in California?

Los Angeles County, with 9,694,934 residents, about 24.6% of California’s people. That is 9,295× the least populous, Alpine County (1,043).

Sources & vintages

Data current through .

By , BSc Physics, University of Ljubljana · How this site is made