The U.S. Census Bureau reported this week that Utah ranked 45th in the United States in per-capita income in 1987, the most recent year for which figures are available.

Utahns averaged incomes of $9,288.Connecticut, at $16,094, replaced Alaska as the state with the highest per-capita income. New Jersey ranked second. Mississippi, at $8,088, was at the bottom of the list.

Utah has slipped from 38th in 1979, the bureau said. Only Idaho, Arkansas, West Virginia, Louisiana, South Dakota and Mississippi had lower per-capita income figures than Utah.

Income in the state did increase, however, by 47.3 percent during the eight-year period.

Wyoming slipped from 11th to 39th from 1979 to 1987, with a per-capita income of $9,826.