Manhattan posted the highest average weekly wage among all large U.S. county areas in the first quarter, but San Mateo County, Calif., posted the largest year-over-year increase, the U.S. Bureau of Labor Statistics reported today. New York County, home to Manhattan, posted an average weekly wage of $2,448, down 0.5 percent from the first quarter of 2012.

However, San Mateo County's average weekly wage rose 14.8 percent to $1,859. The BLS reported that within San Mateo County, the information segment posted an average weekly wage of $2,996, a year-over-year increase of 104.1 percent. San Mateo County is located immediately south of San Francisco and includes part of Silicon Valley.

Here are the 10 large U.S. counties with the highest average weekly wages in the first quarter:

1. New York, N.Y., $2,448
2. Somerset, N.J., $2,009
3. Santa Clara, Calif., $1,937
4. Fairfield, Conn., $1,878
5. San Mateo, Calif., $1,859
6. San Francisco, Calif., $1,778
7. Suffolk, Mass., $1,698
8. Arlington, Va., $1,621
9. Washington, D.C., $1,613
10. Morris, N.J., $1,852

The 10 large U.S. counties with the highest year-over-year increases in average weekly wage in the first quarter included:

1. San Mateo, Calif., +14.8 percent
2. Benton, Ark., +14.3 percent
3. McLean, Ill., +11.8 percent
4. Clayton, Ga., +6.7 percent
5. Somerset, N.J., +6.7 percent
6. Mercer, N.J., +6.4 percent
7. Hampden, Mass., +4.8 percent
8. Williamson, Tenn., +4.6 percent
9. Winnebago, Wis., +4.6 percent
10. Ramsey, Minn., +4.4 percent