POPULATION: 158,440 POPULATION CHANGE 1980-86: -2.8% BLACK POPULATION: 1.5% HISPANIC POPULATION: 7.6% POPULATION AGE 65 AND OVER: 14.7% INCOME PER CAPITA: $10,248 (1985) PERSONS BELOW POVERTY LEVEL: 14.2% UNEMPLOYMENT RATE: 6.0% BIRTH RATE: 23.0 per 1,000 population CRIME RATE: 11,593 per 100,000 population POLICE PROTECTION: 21 officers per 10,000 population COLLEGE EDUCATION: 25.5 percent with 4 years or more JANUARY MEAN TEMPERATURE: 28.6@ Fahrenheit JULY MEAN TEMPERATURE: 77.5@ Fahrenheit ANNUAL PRECIPITATION: 15.3 inches LAND AREA: 100.5 square miles; 260.2 square kilometers LATITUDE: 40@45'N LONGITUDE: 111@55'W AREA CODE: 801 TIME ZONE: Mountain