According to data from the US BLS, the unemployment rate of New Hampshire was 1.9% (sa) in February, 2023. Among all New Hampshire counties, these 3 were among those with high unemployment rates (nsa): Coos (2.8%), Rockingham (2.5%), and Hillsborough (2.4%).

On the hand, the following three counties were among those with low unemployment rates (nsa): Sullivan (1.8%), Merrimack (1.8%), and Grafton (1.8%).

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

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