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 6,684. It is also the county seat of Cass County. Atlantic is currently declining at a rate of -0.24% annually and its population has decreased by -1.45% since the most recent census, which recorded a population of 6,782 in 2020.

The median household income in Atlantic is $61,141 with a poverty rate of 17.35%. The median age in Atlantic is 43.5 years: 41.7 years for males, and 46.7 years for females. For every 100 females there are 93.4 males.

6.7K
Total Population
806
Density (mi²)
-16 -0.24%
Growth

Atlantic Population

Atlantic Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
20266,684-16-0.24%
20256,700-17-0.25%
20246,717-64-0.94%
20236,78140.06%
20226,777150.22%
20216,762-20-0.29%
20206,782-6-0.09%
20196,520-75-1.14%
20186,595-102-1.52%
20176,697-28-0.42%
20166,725-77-1.13%
20156,802-30-0.44%
20146,832-91-1.31%
20136,923-78-1.11%
20127,001-26-0.37%
20117,027-75-1.06%
20107,102-10-0.14%
20007,257-175-2.35%
19907,432-357-4.58%
19807,7894836.61%
19707,3064166.04%
19606,8904106.33%
19506,48067811.69%
19405,8022173.89%
19305,5852564.8%
19205,32976916.86%
19104,560-486-9.63%
19005,04669515.97%
18904,35168918.81%
18803,66200%

Median Age

Overall: 43.5 years
Female: 46.7 years
Male: 41.7 years

Atlantic Adults

There are 5,457 adults, (1,632 of whom are seniors) in Atlantic.

Sex Ratio

Female: 3,497 (51.7%)
Male: 3,266 (48.3%)

Demographics

The racial composition of Atlantic includes 94.23% White, and smaller percentages for Black or African American, Two or more races, other race, Native American, Asian and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White6,37394.23%
Black or African American1181.74%
Two or more races1051.55%
Other race991.46%
Native American430.64%
Asian250.37%
Race
Population ↓
Percentage (of total)
Other race741.09%
White580.86%
Two or more races530.78%
Native American220.33%
Race
Population ↓
Percentage (of total)
White6,31593.38%
Black or African American1181.74%
Two or more races520.77%
Other race250.37%
Asian250.37%
Native American210.31%

Atlantic Marital Status

Economics and Income Statistics

Atlantic 's average per capita income is $42,247. Household income levels show a median of $61,141. The poverty rate stands at 17.35%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.
Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.
Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.
Name
Median ↓
Mean
Married Families$108,878-
Families$88,029$103,174
Households$61,141$80,704
Non Families$29,599$53,018

$42,247

Average Income

$61,141

Median Household Income

17.35%

Poverty Rate

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)