Infrastructure and Planning Data Road Mileage, 1990: 2434 Unpaved Road Mileage, 1990: 12% Registered Vehicles, 1990: 213 per mile of paved road Public Transportation Use: .3% of commuters Private Vehicle Use: 92% of commuters Private Vehicles - Single Occupant: 73% of commuters Average Travel Time to Work: 20.1 minutes Growth of Population, 1990-2000: 34% Growth of Population 0-24 Years Old: 16% Growth of Population 65 Years and Older: 54% Projected Enrollment Change 1990-2000 Elementary (K-5): 6344 Projected Change 1990-2000 Middle School (6-8): 8022 Projected Change 1990-2000 High School (9-12): 10022 Republican Registration, 1990: 48.33% Democratic Registration, 1990: 44.97% Change in Republican Registration, 1980-1990: 73% Change in Democratic Registration, 1980-1990: 4%