Appendix D " Basin Total County, Sacramento Valley" Table D-39 Parameter 1980 1985 1990 1995 2000 2005 2010 2015 2020 Population 1500900 1688200 1977600 2155550 2344950 2647200 2904700 3128100 3374700 Avg. Daily VMT/1000 27881 35762 47540 52178 54681 62630 70184 77831 84078