Viola township is located in Olmsted County, Minnesota. Viola township has a 2026 population of 532. Viola township is currently declining at a rate of -0.56% annually and its population has decreased by -3.1% since the most recent census, which recorded a population of 549 in 2020.
The median household income in Viola township is $111,667 with a poverty rate of 1.45%. The median age in Viola township is 49.8 years: 50 years for males, and 49.8 years for females. For every 100 females there are 91.3 males.