Infrastructure and Planning Data Road Mileage, 1990: 1971 Unpaved Road Mileage, 1990: 67% Registered Vehicles, 1990: 67 per mile of paved road Public Transportation Use: 2.8% of commuters Private Vehicle Use: 91% of commuters Private Vehicles - Single Occupant: 71% of commuters Average Travel Time to Work: 19.5 minutes Growth of Population, 1990-2000: 23% Growth of Population 0-24 Years Old: 27% Growth of Population 65 Years and Older: 14% Projected Enrollment Change 1990-2000 Elementary (K-5): -890 Projected Change 1990-2000 Middle School (6-8): 26 Projected Change 1990-2000 High School (9-12): 810 Republican Registration, 1990: 10.51% Democratic Registration, 1990: 88.83% Change in Republican Registration, 1980-1990: 177% Change in Democratic Registration, 1980-1990: -3%