Red Oak Flag

Red Oak

County Seat:
Yes
Area (mi²):
3.926
State:
Iowa

Red Oak is a city located in Montgomery County, Iowa. Red Oak has a 2026 population of 5,420. It is also the county seat of Montgomery County. Red Oak is currently declining at a rate of -0.9% annually and its population has decreased by -3.15% since the most recent census, which recorded a population of 5,596 in 2020.

5.4K
Total Population
1,381
Density (mi²)
-49 -0.9%
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)