Is it Time to Modify Child Support? Recent statistics show that average incomes across Washington State have significantly increased over the past year. According to the federal Bureau of Labor and Statistics Quarterly Census of Employment and Wages (QCEW) report, Washington state has, on average, seen a 6.25% wage increase as of September 2017. King County showed a 10% increase in wages in the report. These wage improvements are not just in white collar or tech industries