Wilno is an unincorporated community (Class Code U6) located in Lincoln County, Minnesota, United States. The population is estimated at 5.Wilno was laid out in 1883 on land bought from the Chicago and Northwestern railroad to create a Polish settlement. Bishop John Ireland, working with the railroads of the western United States, resettled Catholic immigrants from east coast cities to farmland near the railroads. The settlers named the town after Wilno, Poland (now Vilnius, Lithuania). St.