This article is about the county, not to be confused with the road, County Road JJ.
JJ County is a small county in Wisconsin which has a population of 10,018 as of the 2024 census. It used to be a part of Outagamie County, before the county was split up in 1937. The county consists of many villages. The county seat is Hallville which has around 4,000 residents residing the town. The county is also known to be one of the smallest counties in the region by area in Wisconsin.Geography and climate
JJ County contains many rural fields and small villages. The county borders Outagamie County where there are several hills located. The county also contains many fertile soils and agriculture is convenient during the summer months and other warm months.
JJ County sometimes experiences a humid climate and sometimes cold climates, with four different seasons. Summers are warm and humid, with the average temperature in July reaching about 28 degrees Celsius. Winters, on the other hand, quite cold, with January temperatures often dropping to -4 degrees Celsius in average. Due to this, outdoor winter activities are quite popular in the area.