California Counties

Chart Copyright 1999 by Joel GAzis-SAx

Area (in Square Miles)
CountyCounty SeatWaterLandTotal1990 Pop.Date Est.
AlamedaOakland83.8737.5821.31,279,1821850
AlpineMarkleeville4.6738.5743.211131864
AmadorJackson11.7592.6604.330,0391854
ButteOroville37.61639.61677.2182,1201854
CalaverasSan Andreas16.71020.21036.931,9981850
ColusaColusa5.51150.81156.316,2751850
Contra CostaMartinez81.9720.3802.2803,7321850
Del NorteCrescent City222.01007.81229.823,4601857
El DoradoPlacerville79.81711.51791.3125,9951850
FresnoFresno54.75963.26017.9667,4901856
GlennWillows12.41314.81327.224,7981891
HumboldtEureka497.73554.8 4042.4119,1181853
ImperialEl Centro3074175.14482.1109,3031907
InyoIndependence35.710,19210,227.718,2811866
KernBakersfield20.48141.68162543,4771866
KingsHanford2.11389.51391.6101,4691893
LakeLakeport71.11258.51329.650,6311861
LassenSusanville163.14557.54720.627,5981864
Los AngelesLos Angeles692.340604752.38,863,1641850
MaderaMadera15.02138.42153.488,0901893
MarinSan Rafael308.4519.8828.2230,0961850
MariposaMariposa11.71451.21462.914,3021850
MendocinoUkiah369.23509.33878.580,3451850
MercedMerced43.11928.91972.0178,4031855
ModocAlturas259.33944.34203.69,6781874
MonoBridgeport259.339444203.69,9561861
MontereySalinas449.23321.93771.1355,6601850
NapaNapa34.5753.8788.3110,7651850
NevadaNevada County16.9957.6974.578,5101851
OrangeSanta Ana158.2789.7947.92,410,5561889
PlacerAuburn95.81404.41500.2172,7961851
PlumasQuincy59.82553.92613.719,7391854
RiversideRiverside95.77208.17303.81,170,4131893
SacramentoSacramento30.0 965.7995.71,041,2191850
San BenitoHollister1.7 1388.31390.036,6971874
San BernardinoSan Bernardino44.6 20,061.820,106.41,418,3801853
San DiegoSan Diego321.4 4204.54525.92,498,0161850
San FranciscoSan Francisco185.2 146.7231.9723,9591850
San JoaquinStockton26.9 1399.51426.4480,6281850
San Luis ObispoSan Luis Obispo311.2 3304.53615.7217,1621850
San MateoRedwood City292.0 449.1741.1649,6431856
Santa BarbaraSanta Barbara1051.1 2738.53789.6369,6081850
Santa ClaraSan Jose13.3 1291.21304.51,497,5771850
Santa CruzSanta Cruz161.9 445.8607.7229,7341850
ShastaRedding62.0 3425.63487.6147,0361850
SierraDownieville8.6 953.4962.03,3181852
SiskiyouYreka60.6 1707.71768.343,5311852
SolanoFairfield78.7 828.2906.9340,4211850
SonomaSanta Rosa192.1 1576.21768.3388,2221850
StanislausModesto20.2 1494.61514.8370,5221854
SutterYuba City6.2 602.7608.964,4151850
TehamaRed Bluff11.3 29512962.3149,6251856
TrinityWeaverville28.9 3178.93207.813,0631850
TulareVisalia15.1 4824.34839.4311,9211852
TuolumneSonora38.9 2235.62274.548,4561850
VenturaVentura362.4 18462208.4669,0161872
YoloWoodland10.4 1012.51022.9141,0921850
YubaMarysville13.1 630.5643.658,2281850

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