Infrastructure and Planning Data Road Mileage, 1990: 1251 Unpaved Road Mileage, 1990: 55% Registered Vehicles, 1990: 86 per mile of paved road Public Transportation Use: 1.0% of commuters Private Vehicle Use: 90% of commuters Private Vehicles - Single Occupant: 73% of commuters Average Travel Time to Work: 19.6 minutes Growth of Population, 1990-2000: 23% Growth of Population 0-24 Years Old: 11% Growth of Population 65 Years and Older: 5% Projected Enrollment Change 1990-2000 Elementary (K-5): 159 Projected Change 1990-2000 Middle School (6-8): 316 Projected Change 1990-2000 High School (9-12): 844 Republican Registration, 1990: 17.47% Democratic Registration, 1990: 81.20% Change in Republican Registration, 1980-1990: 130% Change in Democratic Registration, 1980-1990: -6 %