2002 Almanac (page 477) Table D-22 Mountain Counties Air Basin - Plumas County: Population and VMT Trends Mountain Counties Air Basin: Plumas County Surface Area = 975 square miles Parameter 1981 1982 1983 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 Population 18200 18600 18400 18500 19000 19100 19400 19700 19700 20200 20600 21150 21250 21100 21100 20950 21200 21050 21000 21000 Avg. Daily VMT/1000 322 326 356 372 388 435 456 500 526 554 568 575 593 598 603 623 633 637 657 667