The civilian labor force stayed the same year to year at 243,000.
Lane County's jobless rate had inched up over the summer, but that increase hasn't carried into the fall, said Brian Rooney, a labor economist with the state Employment Department.
The monthly unemployment rate is a U.S. Bureau of Labor Statistics (BLS) indicator that reflects the number of unemployed people seeking employment within the prior four weeks as a percentage of the labor force.
Wyoming's October unemployment rate increased to 4.2 percent, up from 4 percent in September.
The unemployment rates in October for Jefferson and Lewis counties dropped from the same time past year, but remained flat in St. Lawrence County.
The state and national rates also continued to decline.
Among adjoining OH counties, the county's jobless rate was higher than Stark (4.8 percent) but lower than Mahoning (5.9 percent) and Jefferson (6.4 percent).
Campbell County, which was the only county to see a decrease in its unemployment rate, is tied with Sweetwater County for the third highest rate in the state, behind Natrona and Fremont counties.
In September, Teton County had an unemployment rate of 1.9 percent. State government had 400 fewer jobs year over year while nondurable goods manufacturing had 100 fewer jobs.
The rate was 5.7 percent in October a year ago.
Seasonally adjusted numbers smooth out seasonal swings such as school holidays, holiday hiring, and other trends.
Government showed the biggest gain in Lane County, adding 3,200 jobs from September to October. Carroll County's was the same at 5.2 percent. The Indiana unemployment rate dropped three-tenths of a percent from 4.2 to 3.9 percent.