According to data from the US BLS, the unemployment rate of Connecticut was 6% (sa) in September, 2008. Among all Connecticut counties, these 3 were among those with high unemployment rates (nsa): Windham (6.6%), New Haven (6.4%), and Hartford (6.2%).

On the hand, the following three counties were among those with low unemployment rates (nsa): Tolland (4.9%), Middlesex (4.9%), and Litchfield (5%).

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

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