Frankfort, IL Demographics

A map of Frankfort's Population by Race

Frankfort, Illinois has an estimated population of 20,651, a slight increase from the 20,296 recorded in the 2020 Census. The population is 75.1% White, 10.2% Black, 7.0% Hispanic, 5.1% Multiracial, 2.6% Asian, and 0.0% Native American/Other. This demographic dot map shows the population of Frankfort, with one dot drawn for each person counted by the Census, color-coded by race.

Frankfort has become considerably more 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 Frankfort, that probability was 35.3% in 2020 and 41.7% in the most recent ACS estimates.

Frankfort is ranked the 119th 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). Frankfort was ranked the 121st most populous place in the 2020 Census.

Frankfort's White Population

15,512 residents of Frankfort, or 75.1% of the population, identify as White. The share of White residents in Frankfort is significantly higher than in Illinois overall, where 58.1% of the population is White. Frankfort ranks 1118th statewide in terms of White residents as a share of the population, out of 1,461 places.

Since the 2020 Census, Frankfort's White population has declined by an estimated 4.1%. White residents' share of Frankfort's population has decreased from 79.7% to 75.1%.

Frankfort is more White than neighboring Frankfort Square (68.7% White), Arbury Hills (70.3% White), and Matteson (10.3% White). Frankfort is less White than neighboring Mokena (88.9% White), and Tinley Park (76.2% White).

Frankfort's Black Population

2,098 residents of Frankfort, or 10.2% of the population, identify as Black. The share of Black residents in Frankfort is slightly lower than in Illinois overall, where 13.3% of the population is Black. Frankfort ranks 154th statewide in terms of Black residents as a share of the population, out of 1,461 places.

Since the 2020 Census, Frankfort's Black population has grown by an estimated 20.7%. Black residents' share of Frankfort's population has increased from 8.6% to 10.2%.

Frankfort is more Black than neighboring Frankfort Square (5.5% Black), Arbury Hills (0% Black), Mokena (1.9% Black), and Tinley Park (6.6% Black). Frankfort is less Black than neighboring Matteson (79.8% Black).

Frankfort's Asian Population

537 residents of Frankfort, or 2.6% of the population, identify as Asian. The share of Asian residents in Frankfort is slightly lower than in Illinois overall, where 5.9% of the population is Asian. Frankfort ranks 166th statewide in terms of Asian residents as a share of the population, out of 1,461 places.

Since the 2020 Census, Frankfort's Asian population has declined by an estimated 18.5%. Asian residents' share of Frankfort's population has decreased from 3.2% to 2.6%.

Frankfort is more Asian than neighboring Arbury Hills (0% Asian), Mokena (0.8% Asian), and Matteson (2.4% Asian). Frankfort is less Asian than neighboring Frankfort Square (2.7% Asian), and Tinley Park (3.6% Asian).

Frankfort's Hispanic Population

1,453 residents of Frankfort, or 7.0% of the population, identify as Hispanic. The share of Hispanic residents in Frankfort is considerably lower than in Illinois overall, where 18.8% of the population is Hispanic. Frankfort ranks 462nd statewide in terms of Hispanic residents as a share of the population, out of 1,461 places.

Since the 2020 Census, Frankfort's Hispanic population has grown by an estimated 33.2%. Hispanic residents' share of Frankfort's population has increased from 5.4% to 7.0%.

Frankfort is more Hispanic than neighboring Mokena (6.1% Hispanic), and Matteson (3.6% Hispanic). Frankfort is less Hispanic than neighboring Frankfort Square (11.5% Hispanic), Arbury Hills (27.6% Hispanic), and Tinley Park (10.9% Hispanic).

Frankfort's Native American/Other Population

0 residents of Frankfort, 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 Frankfort is comparable to the share in Illinois overall, where 0.5% of the population is Native American/Other. Frankfort ranks 948th statewide in terms of Native American/Other residents as a share of the population, out of 1,461 places.

Since the 2020 Census, Frankfort's Native American/Other population has declined by an estimated 100.0%. Native American/Other residents' share of Frankfort's population has remained roughly unchanged at 0.0%.

Frankfort is less Native American/Other than neighboring Frankfort Square (1.1% Native American/Other), Mokena (0.1% Native American/Other), and Tinley Park (0.2% Native American/Other).

Frankfort's Multiracial Population

1,051 residents of Frankfort, or 5.1% of the population, identify as Multiracial. The share of Multiracial residents in Frankfort is comparable to the share in Illinois overall, where 3.4% of the population is Multiracial. Frankfort ranks 974th statewide in terms of Multiracial residents as a share of the population, out of 1,461 places.

Since the 2020 Census, Frankfort's Multiracial population has grown by an estimated 78.4%. Multiracial residents' share of Frankfort's population has increased from 2.9% to 5.1%.

Frankfort is more Multiracial than neighboring Arbury Hills (2% Multiracial), Mokena (2.1% Multiracial), Tinley Park (2.5% Multiracial), and Matteson (3.9% Multiracial). Frankfort is less Multiracial than neighboring Frankfort Square (10.5% 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.