About Us

Municipalities Served by Winnebago County

Cities of

Menasha, Neenah, Omro, Oshkosh, parts of Appleton

Towns of

Algoma, Black Wolf, Clayton, Neenah, Nekimi, Nepeuskun, Omro, Oshkosh, Poygan, Rushford, Utica, Vinland, Winchester, Winneconne, Wolf River

Villages of

Fox Crossing, Winneconne

Unincorporated communities

Butte des Morts, Eureka, Larsen, Pickett, Metz (partial), Mikesville, Waukau, Winnebago


To find your District Representative, go to the County Board home page. For all other county information, please go to the County Directory or our Winnebago County internet site.

Winnebago County Observed Holidays for 2023

New Year's Day Monday, January 2, 2023
Good Friday Friday, April 7, 2023
Memorial Day Monday, May 29, 2023
Independence Day Tuesday, July 4, 2023
Labor Day Monday, September 4, 2023
Thanksgiving Day Thursday, November 23, 2023
Day after Thanksgiving Friday, November 24, 2023
Christmas Day Monday, December 25, 2023
Day after Christmas Tuesday, December 26, 2023
New Year's Eve Day Friday, December 29, 2023

Winnebago County Observed Holidays for 2024

New Year's Day Monday, January 1, 2024
Good Friday Friday, March 29, 2024
Memorial Day Monday, May 27, 2024
Independence Day Thursday, July 4, 2024
Labor Day Monday, September 2, 2024
Thanksgiving Day Thursday, November 28, 2024
Day after Thanksgiving Friday, November 29, 2024
Christmas Eve Tuesday, December 24, 2024
Christmas Day Wednesday, December 25, 2024
New Year's Eve Day Tuesday, December 31, 2024

Winnebago County 2020 Census

Winnebago County 2010 to 2020 Population Change Summary


171,730 people residing in the county.

Makeup By Race

91.0% White
2.8% Black or African American alone
.8% Native American or Alaska Native alone
3.3% Asian alone
.1% Native Hawaiian and other Pacific Islander
4.7% Hispanic or Latino
2.0% from two or more races

Makeup By Age

5.2% Persons under 5 years
20.3% Persons under 18 years
17.0% Persons 65 years and over


93.6% High school graduate or higher, percent of persons 25 years+
29.3% Bachelor's degree or higher, percent of persons age 25 years+

To see the the source for the above numbers and more facts visit Winnebago County Wisconsin 2020 Census quick facts

Business and Industry

To view this information, and more, please go to the City of Oshkosh website located at www.ci.oshkosh.wi.us.

Mission Statement

The mission of Winnebago County is to economically and efficiently provide and manage delivery systems for diverse programs and services to meet basic human needs.

To carry out this mission, the following roles are required:

  • To serve as an agent for the Federal and State Government to fulfill mandated programs.
  • To provide optional community services as determined by the County Board.
  • To provide programs and services in the most cost-effective manner.
  • To encourage citizens awareness, participation, and involvement in county government.
  • To encourage cooperation among business, government, labor, and education to solve common problems.
  • To utilize community resources as a vehicle for good government.


Winnebago County Org Chart