thumb|right|250px|Rural Oconto County in fall
Oconto County is a county in the U.S. state of Wisconsin. As of the 2010 census, the population was 37,660. Its county seat is Oconto. The county was established in 1851.
Oconto County is part of the Green Bay, WI Metropolitan Statistical Area and the Green Bay-Shawano, WI Combined Statistical Area.
History
First visited by French explorers in the 17th century, Oconto County is among the oldest settlements in Wisconsin. Father Claude-Jean Allouez of the Roman Catholic Jesuit order said the first Mass in Oconto. Among the first settlers was Joseph Tourtilott, who explored much of the Oconto River watershed. Oconto County was created in 1851 and organized in 1854.
Geography
According to the U.S. Census Bureau, the county has a total area of , of which is land and (13%) is water.
Adjacent counties
Marinette County - northeast
Door County - southeast, border is in Green Bay
Brown County - south
Shawano County - southwest
Menominee County - west
Langlade County - west
Forest County - northwest
Major highways
20px U.S. Highway 41
20px U.S. Highway 141
20px Highway 22 (Wisconsin)
20px Highway 32 (Wisconsin)
20px Highway 64 (Wisconsin)
Airport
J. Douglas Bake Memorial Airport (KOCQ) serves the county and surrounding communities.
National protected area
Nicolet National Forest (part)
Demographics
thumb|right|Woods along
As of the census of 2000, there were 35,634 people, 13,979 households, and 10,050 families residing in the county. The population density was 36 people per square mile (14/km2). There were 19,812 housing units at an average density of 20 per square mile (8/km2). The racial makeup of the county was 97.76% White, 0.13% Black or African American, 0.78% Native American, 0.20% Asian, 0.01% Pacific Islander, 0.24% from other races, and 0.88% from two or more races. 0.67% of the population were Hispanic or Latino of any race. 42.9% were of German, 11.8% Polish, 6.0% French and 5.6% American ancestry.
There were 13,979 households, out of which 32.20% had children under the age of 18 living with them, 60.70% were married couples living together, 6.90% had a female householder with no husband present, and 28.10% were non-families. 23.50% of all households were made up of individuals, and 10.70% had someone living alone who was 65 years of age or older. The average household size was 2.52 and the average family size was 2.97.
In the county, the population was spread out, with 25.70% under the age of 18, 6.40% from 18 to 24, 28.70% from 25 to 44, 24.00% from 45 to 64, and 15.10% who were 65 years of age or older. The median age was 39 years. For every 100 females, there were 101.30 males. For every 100 females age 18 and over, there were 99.70 males.
In 2017, there were 353 births, giving a general fertility rate of 61.0 births per 1000 women aged 15–44, the 28th lowest rate out of all 72 Wisconsin counties. Additionally, there were 14 reported induced abortions performed on women of Oconto County residence in 2017.
Communities
Cities
Gillett
Oconto (county seat)
Oconto Falls
Villages
Lena
Pulaski (mostly in Brown County and Shawano County)
Suring
Towns
Abrams
Bagley
Brazeau
Breed
Chase
Doty
Gillett
How
Lakewood
Lena
Little River
Little Suamico
Maple Valley
Morgan
Mountain
Oconto Falls
Oconto
Pensaukee
Riverview
Spruce
Stiles
Townsend
Underhill
Census-designated places
Abrams
Lakewood
Mountain
Sobieski
Townsend
Unincorporated communities
Bonita
Breed
Brookside
Chase
County Line (partial)
Cullen
Frostville
Hayes
Hickory Corners
Hintz
Kelly Brook
Klondike
Little Suamico
Logan
Morgan
Mosling
Oak Orchard
Pensaukee
Sampson
Sobieski Corners
South Chase
Spruce
Stiles
Stiles Junction
Underhill
Native American community
Forest County Potawatomi Community
Ghost town/neighborhood
Leighton
Politics
In 2020 Donald Trump received 69.9 percent of the vote. This was the best result for a Republican since 1920 when Warren Harding received 78.2 percent. Oconto County leans Republican, however Barack Obama won the county in 2008.
