Arlington County had Virginia's lowest jobless rate in January, at with 3.9 percent, according to numbers released by the Virginia Employment Commission.
Loudoun County close behind, with just 4.2 percent of residents out of work.
The city of Martinsville's jobless rate remained the highest in Virginia during the same time period.
Its seasonally unadjusted unemployment rate was 16.9 percent, up from 15.2 percent in December and 18.1 percent a year ago. The statewide rate for January was 6.2 percent.
Nationally, the seasonally unadjusted unemployment rate for January was 8.5 percent. Rates dropped from last year in 2,227 metropolitan areas, increased in 124 and were flat in 21.
The Danville region had the highest unemployment rate among Virginia's metropolitan regions, at 8.7 percent. The Washington metropolitan region that includes Arlington and Alexandria had the lowest jobless rate of 4.6 percent.