According to data from the US BLS, the unemployment rate of Connecticut was 4.9% (sa) in February, 2005. Among all Connecticut counties, these 3 were among those with high unemployment rates (nsa): Windham (6.4%), Hartford (6%), and New Haven (5.9%).

On the hand, the following three counties were among those with low unemployment rates (nsa): Tolland (4.7%), New London (4.9%), and Middlesex (4.9%).

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

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