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 2025 population of 6,774. It is also the county seat of Cass County. Atlantic is currently declining at a rate of -0.04% annually and its population has decreased by -0.25% since the most recent census, which recorded a population of 6,791 in 2020.

The average household income in Atlantic is $77,563 with a poverty rate of 23.76%. The median age in Atlantic is 43 years: 40.5 years for males, and 45.6 years for females.

Demographics

The racial composition of Atlantic includes 96.16% White, and smaller percentages for Black or African American, Two or more races, Asian, other race, Native American, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

White

Black or African American

Two or more races

Asian

Other race

Native American

Native Hawaiian or Pacific Islander

Race	Population	Percentage (of total)
White	6,513	96.16%
Black or African American	112	1.65%
Two or more races	67	0.99%
Asian	40	0.59%
Other race	26	0.38%
Native American	15	0.22%
Native Hawaiian or Pacific Islander	0	0%

Atlantic Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Atlantic's average per capita income is $41,398. Household income levels show a median of $57,486. The poverty rate stands at 23.76%.

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	$105,500	-
Families	$85,526	$99,218
Households	$57,486	$77,563
Non Families	$27,542	$46,087

$41,398

Average Income

$57,486

Median Household Income

23.76%

Poverty Rate