Strandquist is a city in Lincoln Township of Marshall County, Minnesota, United States. The population was 69 at the 2010 census.
According to the United States Census Bureau, the city has a total area of 0.3 square miles (0.7 km²), all of it land.
As of the census of 2000, there were 88 people, 39 households, and 23 families residing in the city. The population density was 335.6 people per square mile (130.7/km²). There were 50 housing units at an average density of 190.7 per square mile (74.3/km²). The racial makeup of the city was 96.59% White, 1.14% Native American, 2.27% from other races. Hispanic or Latino of any race were 2.27% of the population.