2002 Almanac (page 471) Table D-3 Great Basin Valleys Air Basin - Inyo County: Population and VMT Trends Great Basin Valleys Air Basin: Inyo County Surface Area = 10130 square miles Parameter 1981 1982 1983 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 Population 18400 19000 19000 18600 18500 18300 18200 18400 18500 18800 18800 18750 18750 18850 18650 18650 18650 18550 18300 18200 Avg. Daily VMT/1000 400 409 411 417 409 477 472 508 524 540 530 513 526 528 529 536 534 534 551 565