2002 Almanac (page 486) Table D-51 Salton Sea Air Basin: Population and VMT Trends Salton Sea Air Basin Surface Area = 6374 square miles Parameter 1981 1982 1983 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 Population 242600 249900 257200 265600 276400 288600 302900 319600 338600 363900 382900 399300 413500 421900 430200 437900 446100 453300 465600 479200 Avg. Daily VMT/1000 5425 5627 6178 6669 7208 7818 8319 9396 10507 11203 11534 11865 12226 12522 12868 13220 13414 13854 14245 14658