2003 Almanac (page 506) Table D-44 Sacramento Valley Air Basin - Sacramento County: Population and VMT Trends Sacramento Valley Air Basin: Sacramento County Surface Area = 970 square miles Parameter 1982 1983 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 Population 832200 852900 869800 890700 918200 951400 981700 1011800 1046900 1080100 1096600 1111100 1116400 1120700 1134700 1149100 1165800 1204600 1230600 1267800 Avg. Daily VMT/1000 15369 16934 17533 18996 20379 22424 23964 25421 24774 25346 25691 26310 26645 27057 27621 27815 28343 27756 27090 27721