The average weekly wage skyrocketed 107.3 percent year over year in the fourth quarter in California’s San Mateo County, according to statistics released today by the U.S. Bureau of Labor Statistics. San Mateo County had the highest weekly wage of all large U.S. counties in the fourth quarter at $3,240.

San Mateo’s growth rate was much higher than the second-fastest – Douglas County, Colo.’s 48.0 percent rate. The county with the third-fastest wage growth was Virginia Beach City, Va., at 13.3 percent. The average weekly wage increase in the U.S. was 4.7 percent.

San Mateo’s weekly wage in the fourth quarter was almost $1,000 higher than New York County, N.Y., (home to Manhattan), which had the second-highest weekly wage at $2,107.

San Mateo County is located south of San Francisco and includes part of Silicon Valley.