According to data from the US BLS, the unemployment rate of Connecticut was 7.6% (sa) in October, 2013. Among all Connecticut counties, these 3 were among those with high unemployment rates (nsa): Windham (8.5%), New Haven (8.3%), and New London (8.1%).

On the hand, the following three counties were among those with low unemployment rates (nsa): Middlesex (6.5%), Tolland (6.6%), and Litchfield (6.8%).

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

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