2003 Almanac (page 505) Table D-42 Sacramento Valley Air Basin - Glenn County: Population and VMT Trends Sacramento Valley Air Basin: Glenn County Surface Area = 1320 square miles Parameter 1982 1983 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 Population 22200 22700 22600 22900 23000 23000 23500 24200 24850 25300 25750 25900 25950 26400 26350 26450 26300 26300 26750 26850 Avg. Daily VMT/1000 552 597 623 651 696 707 752 789 725 734 763 788 774 772 727 662 653 668 685 706