Infrastructure and Planning Data Road Mileage, 1990: 1313 Unpaved Road Mileage, 1990: 17% Registered Vehicles, 1990: 210 per mile of paved road Public Transportation Use: 9.3% of commuters Private Vehicle Use: 90% of commuters Private Vehicles - Single Occupant: 79% of commuters Average Travel Time to Work: 18.7 minutes Growth of Population, 1990-2000: 13% Growth of Population 0-24 Years Old: 16% Growth of Population 65 Years and Older: 22% Projected Enrollment Change 1990-2000 Elementary (K-5): 3190 Projected Change 1990-2000 Middle School (6-8): 2532 Projected Change 1990-2000 High School (9-12): 2821 Republican Registration, 1990: 51.34% Democratic Registration, 1990: 41.52% Change in Republican Registration, 1980-1990: 65% Change in Democratic Registration, 1980-1990: 5%