2002 Almanac (page 485) Table D-50 Sacramento Valley Air Basin - Yuba County: Population and VMT Trends Sacramento Valley Air Basin: Yuba County Surface Area = 640 square miles Parameter 1981 1982 1983 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 Population 51300 52500 53100 53700 54500 55100 56100 57300 58200 60400 61900 63000 63100 63200 63100 62700 63100 61700 61100 60800 Avg. Daily VMT/1000 699 706 770 787 865 915 970 1044 1079 1117 1116 1190 1197 1198 1200 1213 1209 1212 1243 1278