Dayton, IL Demographics

A map of Dayton's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	267	462	98.5%	87.5%
Hispanic	3	34	1.1%	6.4%
Multiracial	1	12	0.4%	2.3%
Black	0	2	0.0%	0.4%
Asian	0	15	0.0%	2.8%
Native American/Other	0	3	0.0%	0.6%

Dayton, Illinois has an estimated population of 271, a dramatic decrease from the 528 recorded in the 2020 Census. The population is 98.5% White, 1.1% Hispanic, 0.4% Multiracial, 0.0% Black, 0.0% Asian, and 0.0% Native American/Other. 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 considerably less racially diverse since the 2020 Census. It is considerably less diverse than Illinois 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 22.9% in 2020 and 2.9% in the most recent ACS estimates.

Dayton is ranked the 1114th most populous place in Illinois, out of 1,461 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 897th most populous place in the 2020 Census.

Dayton's White Population

267 residents of Dayton, or 98.5% of the population, identify as White. The share of White residents in Dayton is significantly higher than in Illinois overall, where 58.1% of the population is White. Dayton ranks 919th statewide in terms of White residents as a share of the population, out of 1,461 places.

Since the 2020 Census, Dayton's White population has declined by an estimated 42.2%. White residents' share of Dayton's population has increased from 87.5% to 98.5%.

Dayton is more White than neighboring Ottawa (82.6% White), Wedron (0% White), Naplate (81.8% White), Serena (7.7% White), and Marseilles (85.6% White).

Dayton's Black Population

0 residents of Dayton, or 0.0% of the population, identify as Black. The share of Black residents in Dayton is considerably lower than in Illinois overall, where 13.3% of the population is Black. Dayton ranks 932nd statewide in terms of Black residents as a share of the population, out of 1,461 places.

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

Dayton is less Black than neighboring Ottawa (2.5% 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 lower than in Illinois overall, where 5.9% of the population is Asian. Dayton ranks 185th statewide in terms of Asian residents as a share of the population, out of 1,461 places.

Since the 2020 Census, Dayton's Asian population has declined by an estimated 100.0%. Asian residents' share of Dayton's population has decreased from 2.8% to 0.0%.

Dayton is less Asian than neighboring Ottawa (1% Asian), and Marseilles (3.9% Asian).

Dayton's Hispanic Population

3 residents of Dayton, or 1.1% of the population, identify as Hispanic. The share of Hispanic residents in Dayton is significantly lower than in Illinois overall, where 18.8% of the population is Hispanic. Dayton ranks 415th statewide in terms of Hispanic residents as a share of the population, out of 1,461 places.

Since the 2020 Census, Dayton's Hispanic population has declined by an estimated 91.2%. Hispanic residents' share of Dayton's population has decreased from 6.4% to 1.1%.

Dayton is more Hispanic than neighboring Wedron (0% Hispanic). Dayton is less Hispanic than neighboring Ottawa (10.1% Hispanic), Naplate (11.7% Hispanic), Serena (65.4% Hispanic), and Marseilles (5% Hispanic).

Dayton's Native American/Other Population

0 residents of Dayton, or 0.0% 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 Illinois overall, where 0.5% of the population is Native American/Other. Dayton ranks 421st statewide in terms of Native American/Other residents as a share of the population, out of 1,461 places.

Since the 2020 Census, Dayton's Native American/Other population has declined by an estimated 100.0%. Native American/Other residents' share of Dayton's population has decreased from 0.6% to 0.0%.

Dayton is less Native American/Other than neighboring Marseilles (0.7% Native American/Other).

Dayton's Multiracial Population

1 residents of Dayton, or 0.4% of the population, identify as Multiracial. The share of Multiracial residents in Dayton is slightly lower than in Illinois overall, where 3.4% of the population is Multiracial. Dayton ranks 1178th statewide in terms of Multiracial residents as a share of the population, out of 1,461 places.

Since the 2020 Census, Dayton's Multiracial population has declined by an estimated 91.7%. Multiracial residents' share of Dayton's population has decreased from 2.3% to 0.4%.

Dayton is more Multiracial than neighboring Wedron (0% Multiracial). Dayton is less Multiracial than neighboring Ottawa (3.9% Multiracial), Naplate (6.5% Multiracial), Serena (26.9% Multiracial), and Marseilles (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.