The unemployment rate in Napa County was 3.9 percent in January, up from a revised 3.6 percent in December, and below the year-ago estimate of 5 percent, the state Employment Development Department (EDD) reported on Wednesday.

This compares with an unadjusted unemployment rate of 4.6 percent for California and 4.5 percent for the nation for January.

Countywide, there were 3,600 unemployed locals one year ago, compared to 2,800 this January.

At the same time, the labor force rose by 100 people, from 71,600 to 71,700.

Employers with the most job ads included St. Joseph Health, Target Corporation, Wyndham Hotel Group, Las Alcobas, St. Helena Hospital, Robert Half International, Constellation Brands Inc., Napa Valley Unified School District, Auberge du Soleil and Silverado Resort and Spa.

Occupations with the most job ads included: registered nurses, cooks, supervisors of food preparation and serving workers, waiters and waitresses, hotel, motel, and resort desk clerks, supervisors of office and administrative support, retail salespeople, maids and housekeeping cleaners and accountants.