Atlantic Flag

Atlantic

County:
Cass County
County Seat:
Yes
Area (mi²):
8.289
State:
Iowa

Atlantic is a city located in Cass County, Iowa. Atlantic has a 2026 population of 6,717. It is also the county seat of Cass County. Atlantic is currently declining at a rate of -0.94% annually and its population has decreased by -0.96% since the most recent census, which recorded a population of 6,782 in 2020.

6.7K
Total Population
810
Density (mi²)
-64 -0.94%
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)