Marshalltown Flag

Marshalltown

County:
Marshall County
County Seat:
Yes
Area (mi²):
19.198
State:
Iowa

Marshalltown is a city located in Marshall County, Iowa. Marshalltown has a 2026 population of 27,886. It is also the county seat of Marshall County. Marshalltown is currently growing at a rate of 0.54% annually and its population has increased by 1.12% since the most recent census, which recorded a population of 27,578 in 2020.

27.9K
Total Population
1,453
Density (mi²)
149 0.54%
Growth

Nearby Cities

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)