POPULATION: 42,830 POPULATION CHANGE 1980-86: 7.8% BLACK POPULATION: 0.4% HISPANIC POPULATION: 2.6% POPULATION AGE 65 AND OVER: 8.3% INCOME PER CAPITA: $10,309 (1985) PERSONS BELOW POVERTY LEVEL: 7.9% UNEMPLOYMENT RATE: 6.0% BIRTH RATE: 23.5 per 1,000 population CRIME RATE: 5,493 per 100,000 population POLICE PROTECTION: 16 officers per 10,000 population COLLEGE EDUCATION: 22.9 percent with 4 years or more JANUARY MEAN TEMPERATURE: 18.7@ Fahrenheit JULY MEAN TEMPERATURE: 68.9@ Fahrenheit ANNUAL PRECIPITATION: 9.8 inches LAND AREA: 13.5 square miles; 35.0 square kilometers LATITUDE: 43@30'N LONGITUDE: 112@01'W AREA CODE: 208 TIME ZONE: Mountain