Appendix D "Riverside County, Salton Sea" Table D-53 Parameter 1980 1985 1990 1995 2000 2005 2010 2015 2020 Population 137600 171800 244100 286000 325500 390300 452000 514800 589700 Avg. Daily VMT/1000 2943 4365 7484 8983 7302 7952 8691 9441 10416