Consumer Price Index Information

Inflation, which is the change in the level of prices over time, affects City finances in many ways. For example, in its financial planning and budgeting, the City must take account of inflation in its costs for goods and services, labor and employee benefits. Seattle City revenues are also affected by inflation as the prices of taxable goods and services rise over time. These web pages provide information about how inflation affects Seattle.

Measuring inflation using the consumer price index
The consumer price index (CPI) measures the average change over time in the prices paid by urban consumers for goods and services.

Forecasts of the consumer price index
Download forecasts of the annual CPI-U for both the United States and Seattle.

Historical consumer price index data
Download historical CPI statistics for the United States and the Seattle-Tacoma-Bremerton metropolitan area.

Calculating cost of living adjustments
Annual cost-of-living adjustments (COLAs) for most City labor contracts are based on changes in the CPI.

City Budget Office

For the most up-to-date information about the budget for the City of Seattle, visit the City Budget Office homepage.