2003 Almanac (page 499) 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 1982 1983 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 Population 18200 18000 18100 18600 18700 19000 19300 19300 19800 20150 20750 20900 20800 20800 20750 21000 20850 20750 20750 21000 Avg. Daily VMT/1000 349 376 389 403 451 470 512 535 562 574 583 604 608 615 634 648 641 654 667 679