2002 Almanac (page 482) Table D-37 Northeast Plateau Air Basin - Modoc County: Population and VMT Trends Northeast Plateau Air Basin: Modoc County Surface Area = 4100 square miles Parameter 1981 1982 1983 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 Population 9200 9400 9600 9700 9600 9400 9400 9400 9600 9925 10000 10150 10150 10200 10150 10050 10150 9750 9550 9550 Avg. Daily VMT/1000 141 148 160 166 172 179 190 198 208 226 227 231 243 248 253 251 242 234 243 250