The cost-of-living adjustment (COLA) for 2025 is 2.4%

The cost-of-living adjustment (COLA), 2.4%, will be applied to your retirement base benefit and any cumulative COLA totals effective July 1. Per County Code, the COLA is calculated based on the annual increase in the Consumer Price Index (CPI-U) from March of last year to March of this year. Specifically, the CPI used to calculate the COLA is for the Washington-Arlington-Alexandria area and is calculated by the Federal Bureau of Labor Statistics.

Historical Cost-of-Living Adjustments

This chart shows what the COLAs have been for the past 15 years: