According to data from the US BLS, the unemployment rate of Connecticut was 3.6% (sa) in January, 2023. Among all Connecticut counties, these 3 were among those with high unemployment rates (nsa): Windham (4.4%), New Haven (4.1%), and Fairfield (4%).

On the hand, the following three counties were among those with low unemployment rates (nsa): Tolland (3.7%), Middlesex (3.7%), and New London (4%).

The chart and table below shows the unemployment rate (nsa) for each county.

You can see similar information by state for the United States.