Unemployment rates in Crook and Jefferson counties remained essentially unchanged last month compared with November, while Deschutes County’s rate dipped slightly, according to figures released Wednesday.

When compared with December 2011, however, rates for all three counties improved, according to a news release from the Oregon Employment Department.

Crook County recorded a 13.3 percent seasonally adjusted unemployment rate for December. It had a 14.1 percent jobless rate in December 2011.

Deschutes County’s rate in December, 10.5 percent, reflected a 0.2 of a percentage point dip from November’s rate. The rate in December 2011 was 11.8 percent.

Jefferson County had an 11.9 percent seasonally adjusted unemployment rate last month. In December 2011 it was 12.8 percent.

Oregon’s 8.4 percent statewide jobless rate in December was also unchanged from November, but an improvement from the 9 percent rate in December 2011, according to the release.

— From staff reports