Third Lake, IL Demographics
A map of Third Lake's Population by Race
Third Lake, Illinois has an estimated population of 1,137, a slight increase from the 1,111 recorded in the 2020 Census. The population is 82.2% White, 11.7% Hispanic, 3.4% Multiracial, 2.2% Asian, 0.4% Native American/Other, and 0.1% Black. This demographic dot map shows the population of Third Lake, with one dot drawn for each person counted by the Census, color-coded by race.
Third Lake has become 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 Third Lake, that probability was 27.8% in 2020 and 30.8% in the most recent ACS estimates.
Third Lake is ranked the 666th 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). Third Lake was ranked the 664th most populous place in the 2020 Census.
Third Lake's White Population
935 residents of Third Lake, or 82.2% of the population, identify as White. The share of White residents in Third Lake is significantly higher than in Illinois overall, where 58.1% of the population is White. Third Lake ranks 1028th statewide in terms of White residents as a share of the population, out of 1,461 places.
Since the 2020 Census, Third Lake's White population has remained roughly the same. White residents' share of Third Lake's population has decreased from 84.4% to 82.2%.
Third Lake is more White than neighboring Grandwood Park (64.9% White), Gages Lake (65.8% White), Grayslake (71.1% White), Venetian Village (71% White), and Lindenhurst (72.5% White).
Third Lake's Black Population
1 residents of Third Lake, or 0.1% of the population, identify as Black. The share of Black residents in Third Lake is considerably lower than in Illinois overall, where 13.3% of the population is Black. Third Lake ranks 435th statewide in terms of Black residents as a share of the population, out of 1,461 places.
Since the 2020 Census, Third Lake's Black population has declined by an estimated 94.1%. Black residents' share of Third Lake's population has decreased from 1.5% to 0.1%.
Third Lake is less Black than neighboring Grandwood Park (5% Black), Gages Lake (5.2% Black), Grayslake (8.5% Black), Venetian Village (3.3% Black), and Lindenhurst (3.9% Black).
Third Lake's Asian Population
25 residents of Third Lake, or 2.2% of the population, identify as Asian. The share of Asian residents in Third Lake is slightly lower than in Illinois overall, where 5.9% of the population is Asian. Third Lake ranks 250th statewide in terms of Asian residents as a share of the population, out of 1,461 places.
Since the 2020 Census, Third Lake's Asian population has grown by an estimated 19.0%. Asian residents' share of Third Lake's population has remained roughly unchanged at 2.2%.
Third Lake is more Asian than neighboring Venetian Village (0% Asian). Third Lake is less Asian than neighboring Grandwood Park (14.5% Asian), Gages Lake (6.8% Asian), Grayslake (5.1% Asian), and Lindenhurst (9% Asian).
Third Lake's Hispanic Population
133 residents of Third Lake, or 11.7% of the population, identify as Hispanic. The share of Hispanic residents in Third Lake is lower than in Illinois overall, where 18.8% of the population is Hispanic. Third Lake ranks 292nd statewide in terms of Hispanic residents as a share of the population, out of 1,461 places.
Since the 2020 Census, Third Lake's Hispanic population has grown by an estimated 35.7%. Hispanic residents' share of Third Lake's population has increased from 8.8% to 11.7%.
Third Lake is more Hispanic than neighboring Grayslake (10.2% Hispanic), and Lindenhurst (11.2% Hispanic). Third Lake is less Hispanic than neighboring Grandwood Park (12.5% Hispanic), Gages Lake (14.7% Hispanic), and Venetian Village (24.7% Hispanic).
Third Lake's Native American/Other Population
4 residents of Third Lake, or 0.4% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Third Lake is comparable to the share in Illinois overall, where 0.5% of the population is Native American/Other. Third Lake ranks 615th statewide in terms of Native American/Other residents as a share of the population, out of 1,461 places.
Since the 2020 Census, Third Lake's Native American/Other population has declined by an estimated 20.0%. Native American/Other residents' share of Third Lake's population has remained roughly unchanged at 0.4%.
Third Lake is more Native American/Other than neighboring Gages Lake (0.1% Native American/Other), Grayslake (0.2% Native American/Other), and Venetian Village (0% Native American/Other). Third Lake is less Native American/Other than neighboring Lindenhurst (0.5% Native American/Other).
Third Lake's Multiracial Population
39 residents of Third Lake, or 3.4% of the population, identify as Multiracial. The share of Multiracial residents in Third Lake is comparable to the share in Illinois overall, where 3.4% of the population is Multiracial. Third Lake ranks 982nd statewide in terms of Multiracial residents as a share of the population, out of 1,461 places.
Since the 2020 Census, Third Lake's Multiracial population has grown by an estimated 21.9%. Multiracial residents' share of Third Lake's population has increased from 2.9% to 3.4%.
Third Lake is more Multiracial than neighboring Grandwood Park (2.7% Multiracial), Venetian Village (1% Multiracial), and Lindenhurst (2.9% Multiracial). Third Lake is less Multiracial than neighboring Gages Lake (7.4% Multiracial), and Grayslake (4.9% 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.