According to data from the US BLS, the unemployment rate of Connecticut was 9.2% (sa) in November, 2009. Among all Connecticut counties, these 3 were among those with high unemployment rates (nsa): Windham (9.4%), New Haven (9.3%), and Hartford (9.1%).

On the hand, the following three counties were among those with low unemployment rates (nsa): Middlesex (6.9%), Tolland (7%), and New London (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.