Appendix D "Glenn County, Sacramento Valley" Table D-42 Parameter 1980 1985 1990 1995 2000 2005 2010 2015 2020 Population 21500 22900 24827 26398 26640 28523 29348 30649 31950 Avg. Daily VMT/1000 611 753 845 880 747 920 969 1132 1367