SONOMA COUNTY CALIFORNIA CITIES POPULATION  California Population Chart- California Counties - Sonoma County Landmarks   COUNTY/CITY 4/1/2000 1/1/2001 1/1/2002 1/1/2003 1/1/2004 1/1/2005               CALIFORNIA INCORPORATED TOTAL 27,536,281 28,127,892 28,711,087 29,253,433 29,803,631 30,270,081 BALANCE OF STATE TOTAL 6,336,805 6,313,669 6,377,584 6,438,009 6,467,460 6,540,277 STATE TOTAL 33,873,086 34,441,561 35,088,671 35,691,442 36,271,091 36,810,358   SONOMA COUNTY             CLOVERDALE           6,831 7,084 7,342 7,494 7,974 8,241 COTATI               6,471 6,614 6,823 6,860 7,054 7,337 GUERNEVILLE           2,500 * HEALDSBURG           10,915 11,381 11,652 11,634 11,651 11,711 PETALUMA             54,550 55,451 55,788 55,891 56,157 56,632 ROHNERT PARK         42,236 42,284 42,241 42,478 42,329 42,445 MONTE RIO           1104  SANTA ROSA  147,595 149,560 152,084 154,112 155,121 156,268 SEBASTOPOL 7,774 7,801 7,816 7,794 7,777 7,794 SONOMA 9,275 9,501 9,484 9,584 9,731 9,834 WINDSOR              22,744 23,539 24,136 24,441 24,899 25,475 BALANCE OF COUNTY 150,223 151,549 151,703 151,356 152,300 152,703 INCORPORATED 308,391 313,215 317,366 320,288 322,693 325,737 COUNTY TOTAL 458,614 464,764 469,069 471,644 474,993 478,440                   * Unincorporated - population is rough estimate