Decatur, IL Demographics

A map of Decatur's Population by Race

Decatur, Illinois had a population of 70,522 in 2020. It was 62.9% White, 26.4% Black, 1.3% Asian, 3.1% Hispanic, 0.7% Native American/Other, and 5.7% Multiracial. This map presents the population of Decatur, with one dot drawn for each person counted in the 2020 Census, color-coded by race.

Of the 1,466 places in Illinois, Decatur is the 17th most populous. 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).

Decatur's White Population

44,371 residents of Decatur identify as White, or 62.9%. This makes the White share of the population of Decatur roughly similar to the White share of the population of Illinois (58.3% White). Of the 1,466 places in Illinois, Decatur is ranked #1290 in terms of White residents as a share of the population.

Decatur is less White than neighboring Forsyth (81.1% White), Elwin (96.6% White), Mount Zion (91% White), Long Creek (93.7% White), and Oreana (89.8% White).

Decatur's Black Population

18,606 residents of Decatur identify as Black, or 26.4%. This makes the Black share of the population of Decatur larger than the Black share of the population of Illinois (13.9% Black). Of the 1,466 places in Illinois, Decatur is ranked #69 in terms of Black residents as a share of the population.

Decatur is more Black than neighboring Forsyth (2% Black), Elwin (0% Black), Mount Zion (1.3% Black), Long Creek (0.4% Black), and Oreana (0.3% Black).

Decatur's Asian Population

910 residents of Decatur identify as Asian, or 1.3%. This makes the Asian share of the population of Decatur roughly similar to the Asian share of the population of Illinois (5.8% Asian). Of the 1,466 places in Illinois, Decatur is ranked #310 in terms of Asian residents as a share of the population.

Decatur is more Asian than neighboring Elwin (0% Asian), and Long Creek (0.3% Asian). Decatur is less Asian than neighboring Forsyth (10.9% Asian), Mount Zion (1.8% Asian), and Oreana (2% Asian).

Decatur's Hispanic Population

2,167 residents of Decatur identify as Hispanic, or 3.1%. This makes the Hispanic share of the population of Decatur less than the Hispanic share of the population of Illinois (18.2% Hispanic). Of the 1,466 places in Illinois, Decatur is ranked #714 in terms of Hispanic residents as a share of the population.

Decatur is more Hispanic than neighboring Forsyth (2.3% Hispanic), Elwin (2.5% Hispanic), Mount Zion (1.7% Hispanic), and Long Creek (1.8% Hispanic). Decatur is less Hispanic than neighboring Oreana (3.6% Hispanic).

Decatur's Native American/Other Population

473 residents of Decatur identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other, or 0.7%. This makes the Native American/Other share of the population of Decatur roughly similar to the Native American/Other share of the population of Illinois (0.5% Native American/Other). Of the 1,466 places in Illinois, Decatur is ranked #239 in terms of Native American/Other residents as a share of the population.

Decatur is more Native American/Other than neighboring Forsyth (0.3% Native American/Other), Elwin (0% Native American/Other), Mount Zion (0.4% Native American/Other), Long Creek (0.2% Native American/Other), and Oreana (0.2% Native American/Other).

Decatur's Multiracial Population

3,995 residents of Decatur identify as Multiracial, or 5.7%. This makes the Multiracial share of the population of Decatur roughly similar to the Multiracial share of the population of Illinois (3.2% Multiracial). Of the 1,466 places in Illinois, Decatur is ranked #157 in terms of Multiracial residents as a share of the population.

Decatur is more Multiracial than neighboring Forsyth (3.4% Multiracial), Elwin (0.8% Multiracial), Mount Zion (3.8% Multiracial), Long Creek (3.6% Multiracial), and Oreana (4% Multiracial).

Source: 2020 Census State Redistricting Data and Census TIGER/Line Shapefiles.