San Mateo, Calif., posted the highest average weekly wage among all large US county areas in the fourth quarter of 2014, while Benton County in Arkansas posted the largest year-over-year percentage increase in average weekly wage, the US Bureau of Labor Statistics reported today.

San Mateo County, a part of Silicon Valley, posted an average weekly wage of $2,166. Benton County in Arkansas had the largest percentage year-over-year wage increase at 9.9%.

The 10 large US counties with the highest average weekly wages in the fourth quarter:

1. San Mateo, Calif.: $2,166
2. New York, N.Y.: $2,138
3. Santa Clara, Calif.: $2,114
4. Suffolk, Mass.: $1,856
5. San Francisco, Calif.: $1,850
6. Washington, DC: $1,696
7. Fairfield, Conn: $1,674
8. Arlington, Va.: $1,613
9. Fairfax, Va.: $1,584
10. Somerset, N.J.: $1,543

The large US counties with the highest year-over-year increases in average weekly wage in the fourth quarter:

1. Benton, Ark.: 9.9%
2. Washington, Penn.: 9.2%
3. Midland, Texas: 9.0%
4. Brazoria, Texas: 8.9%
5. Douglas, Colo.: 8.8%
6. Clayton, Ga.: 7.6%
7. Jefferson, Texas: 7.6%
8. Rockingham, N.H.: 7.4%
9. Yolo, Calif.: 7.1%
10. Vanderburgh, Ind.; Atlantic, N.J.; Hamilton, Tenn.; Nueces, Texas: 7.0%