Two technology hubs posted the largest year-over-year wage increases in the first quarter of 2024 among large US counties, according to data released Aug. 21 by the US Bureau of Labor Statistics.

Santa Clara County in California — which includes much of Silicon Valley — saw a 14.6% increase in average weekly wages to $3,803 in the first quarter. The manufacturing industry helped drive the gain.

In addition, Williamson County in Texas saw its average weekly wage rise by 10.6% to $1,782. Williamson County is in the Austin, Texas, area.

Other large counties with noteworthy gains included:

• San Mateo County, California, up 10.5% to $4,385
• San Francisco, California, up 9.2% to $3,717
• Muscogee County, Georgia, up 9.2% to $1,170
• Marion County, Indiana, up 8.8% to $1,642
• Winnebago County, Wisconsin, up 8.3% to $1,319
• Warren County, Ohio, up 8.0% to $1,357
• Clayton County, Georgia, up 7.6% to $1,708
• Fairfax County, Virginia, up 7.6% to $2,368

The largest decline in average weekly wage occurred in Saginaw County, Michigan, where it fell 3.4% year over year in the first quarter to $1,125.

Other counties with declines included:

• Yolo County, California, down 1.6% to $1,450
• Southeastern, Connecticut, down 1.3% to $1,419
• Galveston County, Texas, down 1.0% to $1,190
• Sarpy County, Nebraska, down 1.0% to $1,151

Second-quarter wage data is scheduled to be released on Nov. 20.