Atlantic, IA Demographics

A map of Atlantic's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	6,315	6,301	93.4%	92.8%
Hispanic	207	200	3.1%	2.9%
Black	118	22	1.7%	0.3%
Multiracial	52	164	0.8%	2.4%
Native American/Other	46	84	0.7%	1.2%
Asian	25	21	0.4%	0.3%

Atlantic, Iowa has an estimated population of 6,763, a less than 1% change from the 6,792 recorded in the 2020 Census. The population is 93.4% White, 3.1% Hispanic, 1.7% Black, 0.8% Multiracial, 0.7% Native American/Other, and 0.4% Asian. This demographic dot map shows the population of Atlantic, with one dot drawn for each person counted by the Census, color-coded by race.

Atlantic has become less racially diverse since the 2020 Census. It is considerably less diverse than Iowa overall. Demographers use a diversity index to measure the probability that two randomly selected individuals belong to different racial or ethnic groups. In Atlantic, that probability was 13.8% in 2020 and 12.7% in the most recent ACS estimates.

Atlantic is ranked the 61st most populous place in Iowa, out of 1,026 places. This ranking is based on the Census definition of a place, which includes incorporated places like cities, towns, and villages, as well as unincorporated census-designated places (CDPs). Atlantic was ranked the 60th most populous place in the 2020 Census.

Atlantic's White Population

6,315 residents of Atlantic, or 93.4% of the population, identify as White. The share of White residents in Atlantic is considerably higher than in Iowa overall, where 82.3% of the population is White. Atlantic ranks 529th statewide in terms of White residents as a share of the population, out of 1,026 places.

Since the 2020 Census, Atlantic's White population has remained roughly the same. White residents' share of Atlantic's population has increased from 92.8% to 93.4%.

Atlantic is more White than neighboring Lewis (91.3% White), and Cumberland (81.1% White). Atlantic is less White than neighboring Marne (96.9% White), Wiota (100% White), and Brayton (100% White).

Atlantic's Black Population

118 residents of Atlantic, or 1.7% of the population, identify as Black. The share of Black residents in Atlantic is slightly lower than in Iowa overall, where 3.8% of the population is Black. Atlantic ranks 481st statewide in terms of Black residents as a share of the population, out of 1,026 places.

Since the 2020 Census, Atlantic's Black population has grown by an estimated 436.4%. Black residents' share of Atlantic's population has increased from 0.3% to 1.7%.

Atlantic is more Black than neighboring Marne (0% Black), Lewis (0% Black), Wiota (0% Black), Brayton (0% Black), and Cumberland (0% Black).

Atlantic's Asian Population

25 residents of Atlantic, or 0.4% of the population, identify as Asian. The share of Asian residents in Atlantic is slightly lower than in Iowa overall, where 2.5% of the population is Asian. Atlantic ranks 395th statewide in terms of Asian residents as a share of the population, out of 1,026 places.

Since the 2020 Census, Atlantic's Asian population has grown by an estimated 19.0%. Asian residents' share of Atlantic's population has remained roughly unchanged at 0.4%.

Atlantic is more Asian than neighboring Marne (0% Asian), Lewis (0% Asian), Wiota (0% Asian), and Brayton (0% Asian). Atlantic is less Asian than neighboring Cumberland (11.9% Asian).

Atlantic's Hispanic Population

207 residents of Atlantic, or 3.1% of the population, identify as Hispanic. The share of Hispanic residents in Atlantic is slightly lower than in Iowa overall, where 7.3% of the population is Hispanic. Atlantic ranks 439th statewide in terms of Hispanic residents as a share of the population, out of 1,026 places.

Since the 2020 Census, Atlantic's Hispanic population has grown by an estimated 3.5%. Hispanic residents' share of Atlantic's population has remained roughly unchanged at 3.1%.

Atlantic is more Hispanic than neighboring Marne (0% Hispanic), Wiota (0% Hispanic), Brayton (0% Hispanic), and Cumberland (0% Hispanic). Atlantic is less Hispanic than neighboring Lewis (4.1% Hispanic).

Atlantic's Native American/Other Population

46 residents of Atlantic, or 0.7% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Atlantic is comparable to the share in Iowa overall, where 0.6% of the population is Native American/Other. Atlantic ranks 106th statewide in terms of Native American/Other residents as a share of the population, out of 1,026 places.

Since the 2020 Census, Atlantic's Native American/Other population has declined by an estimated 45.2%. Native American/Other residents' share of Atlantic's population has decreased from 1.2% to 0.7%.

Atlantic is more Native American/Other than neighboring Marne (0% Native American/Other), Lewis (0% Native American/Other), Wiota (0% Native American/Other), Brayton (0% Native American/Other), and Cumberland (0% Native American/Other).

Atlantic's Multiracial Population

52 residents of Atlantic, or 0.8% of the population, identify as Multiracial. The share of Multiracial residents in Atlantic is slightly lower than in Iowa overall, where 3.5% of the population is Multiracial. Atlantic ranks 588th statewide in terms of Multiracial residents as a share of the population, out of 1,026 places.

Since the 2020 Census, Atlantic's Multiracial population has declined by an estimated 68.3%. Multiracial residents' share of Atlantic's population has decreased from 2.4% to 0.8%.

Atlantic is more Multiracial than neighboring Wiota (0% Multiracial), and Brayton (0% Multiracial). Atlantic is less Multiracial than neighboring Marne (3.1% Multiracial), Lewis (4.6% Multiracial), and Cumberland (7% Multiracial).

Sources: Most recent population estimates are from the 2020-2024 American Community Survey 5-Year Estimates. 2020 population counts and map data are from 2020 Census State Redistricting Data. Geographic data are from Census TIGER/Line Shapefiles.