Infrastructure and Planning Data Road Mileage, 1990: 1943 Unpaved Road Mileage, 1990: 10% Registered Vehicles, 1990: 71 per mile of paved road Public Transportation Use: .1% of commuters Private Vehicle Use: 91% of commuters Private Vehicles - Single Occupant: 79% of commuters Average Travel Time to Work: 17 minutes Growth of Population, 1990-2000: 28% Growth of Population 0-24 Years Old: 30% Growth of Population 65 Years and Older: 48% Projected Enrollment Change 1990-2000 Elementary (K-5): 2994 Projected Change 1990-2000 Middle School (6-8): 3373 Projected Change 1990-2000 High School (9-12): 3667 Republican Registration, 1990: 55.31% Democratic Registration, 1990: 38.82% Change in Republican Registration, 1980-1990: 103% Change in Democratic Registration, 1980-1990: 45%