Dayton, IA Demographics

A map of Dayton's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	655	739	95.1%	95.7%
Multiracial	18	12	2.6%	1.6%
Black	6	3	0.9%	0.4%
Hispanic	5	15	0.7%	1.9%
Native American/Other	5	0	0.7%	0.0%
Asian	0	3	0.0%	0.4%

Dayton, Iowa has an estimated population of 689, a large decrease from the 772 recorded in the 2020 Census. The population is 95.1% White, 2.6% Multiracial, 0.9% Black, 0.7% Hispanic, 0.7% Native American/Other, and 0.0% Asian. This demographic dot map shows the population of Dayton, with one dot drawn for each person counted by the Census, color-coded by race.

Dayton has become more 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 Dayton, that probability was 8.3% in 2020 and 9.5% in the most recent ACS estimates.

Dayton is ranked the 394th 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). Dayton was ranked the 349th most populous place in the 2020 Census.

Dayton's White Population

655 residents of Dayton, or 95.1% of the population, identify as White. The share of White residents in Dayton is considerably higher than in Iowa overall, where 82.3% of the population is White. Dayton ranks 208th statewide in terms of White residents as a share of the population, out of 1,026 places.

Since the 2020 Census, Dayton's White population has declined by an estimated 11.4%. White residents' share of Dayton's population has decreased from 95.7% to 95.1%.

Dayton is more White than neighboring Harcourt (93.6% White), and Stratford (86.8% White). Dayton is less White than neighboring Boxholm (97% White), Lehigh (97.9% White), and Pilot Mound (97.7% White).

Dayton's Black Population

6 residents of Dayton, or 0.9% of the population, identify as Black. The share of Black residents in Dayton is slightly lower than in Iowa overall, where 3.8% of the population is Black. Dayton ranks 444th statewide in terms of Black residents as a share of the population, out of 1,026 places.

Since the 2020 Census, Dayton's Black population has grown by an estimated 100.0%. Black residents' share of Dayton's population has increased from 0.4% to 0.9%.

Dayton is more Black than neighboring Boxholm (0% Black), Lehigh (0% Black), Harcourt (0% Black), and Pilot Mound (0% Black). Dayton is less Black than neighboring Stratford (6.7% Black).

Dayton's Asian Population

0 residents of Dayton, or 0.0% of the population, identify as Asian. The share of Asian residents in Dayton is slightly lower than in Iowa overall, where 2.5% of the population is Asian. Dayton ranks 346th statewide in terms of Asian residents as a share of the population, out of 1,026 places.

Since the 2020 Census, Dayton's Asian population has declined by an estimated 100.0%. Asian residents' share of Dayton's population has remained roughly unchanged at 0.0%.

Dayton is less Asian than neighboring Lehigh (0.9% Asian), and Stratford (0.5% Asian).

Dayton's Hispanic Population

5 residents of Dayton, or 0.7% of the population, identify as Hispanic. The share of Hispanic residents in Dayton is lower than in Iowa overall, where 7.3% of the population is Hispanic. Dayton ranks 631st statewide in terms of Hispanic residents as a share of the population, out of 1,026 places.

Since the 2020 Census, Dayton's Hispanic population has declined by an estimated 66.7%. Hispanic residents' share of Dayton's population has decreased from 1.9% to 0.7%.

Dayton is more Hispanic than neighboring Boxholm (0.6% Hispanic), Lehigh (0% Hispanic), and Pilot Mound (0% Hispanic). Dayton is less Hispanic than neighboring Harcourt (1.6% Hispanic), and Stratford (2% Hispanic).

Dayton's Native American/Other Population

5 residents of Dayton, 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 Dayton is comparable to the share in Iowa overall, where 0.6% of the population is Native American/Other. Dayton ranks 637th statewide in terms of Native American/Other residents as a share of the population, out of 1,026 places.

Since the 2020 Census, Dayton's Native American/Other population has grown from 0 to an estimated 5. Native American/Other residents' share of Dayton's population has increased from 0.0% to 0.7%.

Dayton is more Native American/Other than neighboring Boxholm (0.6% Native American/Other), Lehigh (0.3% Native American/Other), Harcourt (0% Native American/Other), and Pilot Mound (0% Native American/Other). Dayton is less Native American/Other than neighboring Stratford (3% Native American/Other).

Dayton's Multiracial Population

18 residents of Dayton, or 2.6% of the population, identify as Multiracial. The share of Multiracial residents in Dayton is comparable to the share in Iowa overall, where 3.5% of the population is Multiracial. Dayton ranks 800th statewide in terms of Multiracial residents as a share of the population, out of 1,026 places.

Since the 2020 Census, Dayton's Multiracial population has grown by an estimated 50.0%. Multiracial residents' share of Dayton's population has increased from 1.6% to 2.6%.

Dayton is more Multiracial than neighboring Boxholm (1.8% Multiracial), Lehigh (0.9% Multiracial), Pilot Mound (2.3% Multiracial), and Stratford (1% Multiracial). Dayton is less Multiracial than neighboring Harcourt (4.8% 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.