According to data from the US BLS, the unemployment rate of New Hampshire was 3.1% (sa) in April, 2025. Among all New Hampshire counties, these 3 were among those with high unemployment rates (nsa): Hillsborough (3.2%), Coos (3.1%), and Rockingham (3.1%).

On the hand, the following three counties were among those with low unemployment rates (nsa): Sullivan (2.4%), Strafford (2.5%), and Merrimack (2.5%).

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

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