2002 Almanac (page 490)  Table D-65  San Francisco Bay Area Air Basin - Sonoma County:  Population and VMT Trends																				

San Francisco Bay Area Air Basin:  Sonoma County																				
Surface Area = 620 square miles																				
Parameter	1981	1982	1983	1984	1985	1986	1987	1988	1989	1990	1991	1992	1993	1994	1995	1996	1997	1998	1999	2000
Population	275400	280300	286100	290400	297500	306400	315500	326000	336400	348100	355700	362600	368800	372300	376500	380800	388700	394700	401800	407300
Avg. Daily VMT/1000	4816	5087	5380	5544	5925	6315	6548	6813	7063	7290	7495	7683	7900	8113	8323	8404	8433	8708	8957	9085

A portion of Sonoma County lies within the North Coast Air Basin.