Appendix D "Butte County, Sacramento Valley" Table D-40 Parameter 1980 1985 1990 1995 2000 2005 2010 2015 2020 Population 144900 161600 183229 197464 203954 215255 230116 255779 281442 Avg. Daily VMT/1000 2619 3257 4344 4546 4480 5362 5751 6239 7430