New Lenox, IL Demographics

A map of New Lenox's Population by Race

New Lenox, Illinois has an estimated population of 28,006, a slight increase from the 27,214 recorded in the 2020 Census. The population is 89.0% White, 6.0% Hispanic, 3.5% Multiracial, 0.7% Asian, 0.6% Black, and 0.2% Native American/Other. This demographic dot map shows the population of New Lenox, with one dot drawn for each person counted by the Census, color-coded by race.

New Lenox has become 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 New Lenox, that probability was 22.8% in 2020 and 20.3% in the most recent ACS estimates.

New Lenox is ranked the 74th 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). New Lenox was ranked the 79th most populous place in the 2020 Census.

New Lenox's White Population

24,933 residents of New Lenox, or 89.0% of the population, identify as White. The share of White residents in New Lenox is significantly higher than in Illinois overall, where 58.1% of the population is White. New Lenox ranks 920th statewide in terms of White residents as a share of the population, out of 1,461 places.

Since the 2020 Census, New Lenox's White population has grown by an estimated 4.7%. White residents' share of New Lenox's population has increased from 87.5% to 89.0%.

New Lenox is more White than neighboring Ingalls Park (48.6% White), Ridgewood (14.2% White), Manhattan (80% White), and Mokena (88.9% White). New Lenox is less White than neighboring Marley (100% White).

New Lenox's Black Population

180 residents of New Lenox, or 0.6% of the population, identify as Black. The share of Black residents in New Lenox is considerably lower than in Illinois overall, where 13.3% of the population is Black. New Lenox ranks 525th statewide in terms of Black residents as a share of the population, out of 1,461 places.

Since the 2020 Census, New Lenox's Black population has declined by an estimated 42.7%. Black residents' share of New Lenox's population has decreased from 1.2% to 0.6%.

New Lenox is more Black than neighboring Marley (0% Black). New Lenox is less Black than neighboring Ingalls Park (10.3% Black), Ridgewood (13.8% Black), Manhattan (3.3% Black), and Mokena (1.9% Black).

New Lenox's Asian Population

188 residents of New Lenox, or 0.7% of the population, identify as Asian. The share of Asian residents in New Lenox is lower than in Illinois overall, where 5.9% of the population is Asian. New Lenox ranks 360th statewide in terms of Asian residents as a share of the population, out of 1,461 places.

Since the 2020 Census, New Lenox's Asian population has declined by an estimated 35.2%. Asian residents' share of New Lenox's population has remained roughly unchanged at 0.7%.

New Lenox is more Asian than neighboring Marley (0% Asian), Ingalls Park (0% Asian), Ridgewood (0% Asian), and Manhattan (0.1% Asian). New Lenox is less Asian than neighboring Mokena (0.8% Asian).

New Lenox's Hispanic Population

1,667 residents of New Lenox, or 6.0% of the population, identify as Hispanic. The share of Hispanic residents in New Lenox is considerably lower than in Illinois overall, where 18.8% of the population is Hispanic. New Lenox ranks 376th statewide in terms of Hispanic residents as a share of the population, out of 1,461 places.

Since the 2020 Census, New Lenox's Hispanic population has declined by an estimated 14.2%. Hispanic residents' share of New Lenox's population has decreased from 7.1% to 6.0%.

New Lenox is more Hispanic than neighboring Marley (0% Hispanic). New Lenox is less Hispanic than neighboring Ingalls Park (40.7% Hispanic), Ridgewood (71.7% Hispanic), Manhattan (9.5% Hispanic), and Mokena (6.1% Hispanic).

New Lenox's Native American/Other Population

44 residents of New Lenox, or 0.2% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in New Lenox is comparable to the share in Illinois overall, where 0.5% of the population is Native American/Other. New Lenox ranks 974th statewide in terms of Native American/Other residents as a share of the population, out of 1,461 places.

Since the 2020 Census, New Lenox's Native American/Other population has declined by an estimated 31.3%. Native American/Other residents' share of New Lenox's population has remained roughly unchanged at 0.2%.

New Lenox is more Native American/Other than neighboring Marley (0% Native American/Other), Ingalls Park (0% Native American/Other), Ridgewood (0% Native American/Other), and Mokena (0.1% Native American/Other). New Lenox is less Native American/Other than neighboring Manhattan (1.2% Native American/Other).

New Lenox's Multiracial Population

994 residents of New Lenox, or 3.5% of the population, identify as Multiracial. The share of Multiracial residents in New Lenox is comparable to the share in Illinois overall, where 3.4% of the population is Multiracial. New Lenox ranks 966th statewide in terms of Multiracial residents as a share of the population, out of 1,461 places.

Since the 2020 Census, New Lenox's Multiracial population has grown by an estimated 25.0%. Multiracial residents' share of New Lenox's population has increased from 2.9% to 3.5%.

New Lenox is more Multiracial than neighboring Marley (0% Multiracial), Ingalls Park (0.3% Multiracial), Ridgewood (0.3% Multiracial), and Mokena (2.1% Multiracial). New Lenox is less Multiracial than neighboring Manhattan (5.9% 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.