  dunn county is a county in the u.s. state of wisconsin. as of the 2010 census, the population was 43,857. its county seat is menomonie. dunn county comprises the menomonie, wi micropolitan statistical area and is included in the eau claire-menomonie, wi combined statistical area. ==history== the county was founded in 1854 from chippewa co.wisconsin blue book 1991-1992, p. 731; cited there as from "wisconsin historical records, origin and legislative history of county boundaries in wisconsin, 1942."when counties originated from rootsweb.com's oconto county, wisconsin webpage. it is named for charles dunn, first chief justice of the territory. ==geography== according to the u.s. census bureau, the county has a total area of , of which  is land and  (1.6%) is water. ===adjacent counties=== *barron county - north *chippewa county - east *eau claire county - southeast *pepin county - south *pierce county - southwest *[[polk county, wisconsin|polk count
1854_establishments_in_the_United_States Dunn_County,_Wisconsin States_and_territories_established_in_1854 Wisconsin_counties