Uolba is a rural locality, the only inhabited locality, and the administrative center of Uolbinsky Rural Okrug of Tattinsky District in the Sakha Republic, Russia, located 33 kilometers (21 mi) from Ytyk-Kyuyol, the administrative center of the district. Its population as of the 2010 Census was 536, of whom 270 were male and 266 female, up from 532 as recorded during the 2002 Census.