The Ohio Department of Job and Family Services estimated Stark's unemployment rate at 5.6 percent for the month, down from over 6 percent in February and January. The county's jobless rate in March 2016 was 6 percent.
The county was still above the statewide unemployment rate of 5.3 percent.
While the local workforce shrunk in March, the number of people with jobs grew.
Out of an estimated workforce of 184,500 people, 174,100 were employed in the county in March. February's workforce had 185,100 people, including 173,400 who were working.
Canton's unemployment rate improved to 6.5 percent, down from 7.3 percent in February and 7.1 percent in March 2016.
Holmes County had the lowest unemployment rate of adjacent counties at 3.3 percent, down from 4.1 percent in February.
Mahoning County had the highest rate at 8.7 percent, up from 7.9 percent in February.
The rates for other neighboring counties were:
Wayne at 4 percent, down from 4.6 percent in February and 4.1 percent last year.
Summit at 5.3 percent, down from 5.9 percent in February and 5.5 percent last year.
Portage at 5.6 percent, down from 6.2 percent in February but higher than 5.5 percent last year.
Tuscarawas at 5.5 percent, down from 6.3 percent in February and 6.5 percent last year.
Carroll at 6.5 percent, down from 7.6 percent in February and 7.9 percent last year.
Columbiana at 6.8 percent, down from 7.3 percent in February and 7.4 percent last year.