Atlantic, Iowa

Atlantic population, 2020 to 2024

Atlantic lost 65 residents from July 2020 to July 2024, a change of -1.0%. In the latest year it moved by -64. Among 85 Iowa places of 5,000 or more, that growth ranks 66th; the median place changed by +1.1%. The median place of 5,000+ in Iowa has 9,511 people, so Atlantic is 71% of it.

Atlantic covers 8.29 square miles of land and 0.04 of water, for 810 people per square mile of land. The median Iowa place of 5,000+ has 1,363, so Atlantic is less dense than the typical town.

What county Atlantic is in

All of Atlantic's residents live in Cass County, which had 13,024 residents in 2024. Atlantic holds 51.6% of the county's population. The shaded shape is on the map above; dots mark the eight nearest places.

ZIP codes in Atlantic

1 ZIP Code Tabulation Area (ZCTA) overlaps Atlantic by at least 10% of the ZCTA's or the city's land: 50022. ZCTAs are Census approximations of USPS ZIP code delivery areas. The list comes from the 2020 ZCTA to place relationship file, so a city that annexed land after 2020 may reach into ZIP codes not listed here.

Where Atlantic is

The Census internal point of Atlantic is at 41.393000, -95.021900. Des Moines, the capital, is 74.6 miles E in a straight line. The nearest larger place is Creston, IA (7,421 people), 41.2 miles away. The nearest city of 100,000 or more is Omaha, NE, 54.2 miles away.

Daylight in Atlantic

At 41.39° N, Atlantic gets about 15 h 10 min of daylight around the June solstice and 9 h 11 min around the December solstice, a swing of 5 h 59 min. Figures are sunrise to sunset from the SunCalc model for June 21 and December 21, 2026.

Places near Atlantic

The eight nearest incorporated places of 1,000+ in Iowa, measured between internal points. The closest is Avoca, 17.5 miles away, with 1,685 people.