Infrastructure and Planning Data Road Mileage, 1990: 1479 Unpaved Road Mileage, 1990: 14% Registered Vehicles, 1990: 273 per mile of paved road Public Transportation Use: .8% of commuters Private Vehicle Use: 94% of commuters Private Vehicles - Single Occupant: 80% of commuters Average Travel Time to Work: 21.6 minutes Growth of Population, 1990-2000: 37% Growth of Population 0-24 Years Old: 21% Growth of Population 65 Years and Older: 50% Projected Enrollment Change 1990-2000 Elementary (K-5): 8263 Projected Change 1990-2000 Middle School (6-8): 6562 Projected Change 1990-2000 High School (9-12): 7653 Republican Registration, 1990: 54.91% Democratic Registration, 1990: 37.88% Change in Republican Registration, 1980-1990: 113% Change in Democratic Registration, 1980-1990: 13%