Appendix D "Placer County, Mountain Counties" Table D-21 Parameter 1980 1985 1990 1995 2000 2005 2010 2015 2020 Population 11958 15143 20499 21790 22424 27801 30897 34497 38097 Avg. Daily VMT/1000 322 446 506 581 746 988 1034 1169 1251