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Nonattainment & Maintenance Area Populations by State and County FY 2009

California

STATECOUNTY2007.7.01
POP.
1-Hr O3
Class
O3
WT
CO
Class
CO
WT
8-hr
Class
8-hr
WT
POPULATION
FINAL WTED
CALIFORNIA  35,533,963        48,269,061
Chico-Paradise        
 Butte 218,779  Mnt1.2b1.0 262,535
Imperial         
 Imperial 161,867    mod1.1 178,054
Los Angeles South Coast Air Basin       
 Los Angeles 9,878,554Ext Mnt1.2sv1.3 15,410,544
 Orange 2,997,033Ext Mnt1.2sv1.3 4,675,371
 Riverside 2,073,571Ext Mnt1.2sv1.3 3,234,771
 San Bernardino 2,007,800Ext Mnt1.2sv1.3 3,132,168
Sacramento Metro        
 El Dorado 175,689Sev Mnt1.2sr1.2 252,992
 Placer 332,920Sev Mnt1.2sr1.2 479,405
 Solano 408,599Sev Mnt1.2sr1.2 588,383
 Sutter 92,040Sev   sr1.2 110,448
 Sacramento 1,386,667Sev Mnt1.2sr1.2 1,996,800
 Yolo 195,844Sev Mnt1.2sr1.2 282,015
 Nevada 97,027    b1.0 97,027
San Diego         
 San Diego 2,974,859Mnt Mnt1.2b1.0 3,569,831
San Joaquin Valley        
 Fresno 899,348Ext Mnt1.2sr1.2 1,295,061
 Kern 790,710Ext   sr1.2 948,852
 Kings 148,875Ext   sr1.2 178,650
 Madera 146,513Ext   sr1.2 175,816
 Merced 245,514Ext   sr1.2 294,617
 San Joaquin 670,990Ext Mnt1.2sr1.2 966,226
 Stanislaus 511,263Ext Mnt1.2sr1.2 736,219
 Tulare 421,553Ext   sr1.2 505,864
 Amador 38,678    b1.0 38,678
 Calaveras 46,844    b1.0 46,844
 Tuolomne 55,806    b1.0 55,806
 Mariposa 18,036    b1.0 18,036
Santa Barbara-Santa Maria-Lompoc        
 Santa Barbara 404,197Mnt      0
Ventura Co         
 Ventura 798,364Sev   mod1.1 878,200
Monterey BayMonterey 407,637Mnt      0
 San Benito 54,667Mnt      0
 Santa Cruz 251,747Mnt      0
San Francisco Bay Area        
 Alameda 1,464,202Mod Mnt1.2mr1.0 1,757,042
 Contra Costa 1,019,640Mod Mnt1.2mr1.0 1,223,568
 Marin 248,096Mod Mnt1.2mr1.0 297,715
 Napa 132,565Mod Mnt1.2mr1.0 159,078
 San Francisco 764,976Mod Mnt1.2mr1.0 917,971
 San Mateo 706,984Mod Mnt1.2mr1.0 848,381
 Santa Clara 1,748,976Mod Mnt1.2mr1.0 2,098,771
 Sonoma 464,435Mod Mnt1.2mr1.0 557,322
Yuba City         
 Yuba 72,098       0
AKALARAZCACOCTDCDEFLGAHIIAIDILINKSKYLAMAMDMEMIMNMOMSMTNC
NDNENHNJNMNVNYOHOKORPAPRRISCSDTNTXUTVAVTWAWIWVWY
Updated: 07/06/2011
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