Infrastructure and Planning Data Road Mileage, 1990: 1233 Unpaved Road Mileage, 1990: 11% Registered Vehicles, 1990: 189 per mile of paved road Public Transportation Use: 2.1% of commuters Private Vehicle Use: 90% of commuters Private Vehicles - Single Occupant: 75% of commuters Average Travel Time to Work: 17.8 minutes Growth of Population, 1990-2000: 23% Growth of Population 0-24 Years Old: 12% Growth of Population 65 Years and Older: 38% Projected Enrollment Change 1990-2000 Elementary (K-5): 1493 Projected Change 1990-2000 Middle School (6-8): 2111 Projected Change 1990-2000 High School (9-12): 3576 Republican Registration, 1990: 25.08% Democratic Registration, 1990: 67.69% Change in Republican Registration, 1980-1990: 140% Change in Democratic Registration, 1980-1990: 9%