2002 Almanac (page 492) Table D-72 San Joaquin Valley Air Basin - San Joaquin County: Population and VMT Trends San Joaquin Valley Air Basin: San Joaquin County Surface Area = 1420 square miles Parameter 1981 1982 1983 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 Population 371400 383800 396700 410100 428000 444900 460400 473300 483700 496300 507500 515900 520000 524500 531900 537700 545300 552300 563100 573600 Avg. Daily VMT/1000 6139 6387 6873 7474 8260 9104 9904 10686 11174 11466 11803 12109 12485 12881 13297 13641 13923 14264 14662 14940