Green Mountain, IA

Green Mountain is a rural unincorporated community and census-designated place in Marshall County, Iowa, United States. The 2020 census counted 113 residents. Green Mountain is located in Marion Township. The present-day town of Green Mountain, south of the original townsite, was established in 1883, platted by the Iowa Construction Company. The district was established on July 1, 1992, by the merger of the Garwin and Green Mountain school districts. Green Mountain makes sense once you see how its past, landscape, and current gathering spots overlap. The useful thing to know about Green Mountain is that its older landmarks and current settings belong to one connected place.

The Green Mountain Congregational Church, one of the first in the county, was built in Green Mountain, along with a grain elevator and a few businesses; a savings bank was constructed in 1907. Green Mountain is in northeastern Marshall County, 7 miles northeast of Marshalltown, the county seat. The headwaters of Nickolson Creek run through the west side of the community, flowing south to join Rock Creek, which in turn joins the Iowa River east of Marshalltown.