General Info
Trempealeau County’s name is derived from the French phrase “La Montagne Qui Trempe Dans L’Eau” which translates to “Mountain that is steeped in Water.” The area received its name in 1731 and was based off of the mountain that is found near the village of Trempealeau that is surrounded by water. The first permanent settlers were fur traders who arrived in 1840s looking to establish new trading posts. Early on business and industry revolved around fur trading. Eventually agriculture replaced the trading industry as the largest in the county. By 1900 Trempealeau County had a population of 23,114 people. Today Trempealeau County is home to approximately 27,754 residents.