Thornhill, KY Demographics
A map of Thornhill's Population by Race
Thornhill, Kentucky has an estimated population of 192, an increase from the 185 recorded in the 2020 Census. The population is 94.8% White, 3.1% Multiracial, 1.0% Black, 1.0% Hispanic, 0.0% Asian, and 0.0% Native American/Other. This demographic dot map shows the population of Thornhill, with one dot drawn for each person counted by the Census, color-coded by race.
Thornhill has become considerably less racially diverse since the 2020 Census. It is considerably less diverse than Kentucky overall. Demographers use a diversity index to measure the probability that two randomly selected individuals belong to different racial or ethnic groups. In Thornhill, that probability was 26.3% in 2020 and 10.0% in the most recent ACS estimates.
Thornhill is ranked the 474th most populous place in Kentucky, out of 554 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). Thornhill was ranked the 488th most populous place in the 2020 Census.
Thornhill's White Population
182 residents of Thornhill, or 94.8% of the population, identify as White. The share of White residents in Thornhill is considerably higher than in Kentucky overall, where 81.5% of the population is White. Thornhill ranks 407th statewide in terms of White residents as a share of the population, out of 554 places.
Since the 2020 Census, Thornhill's White population has grown by an estimated 15.2%. White residents' share of Thornhill's population has increased from 85.4% to 94.8%.
Thornhill is more White than neighboring Northfield (85.5% White), Hills and Dales (76.1% White), and Old Brownsboro Place (92.8% White). Thornhill is less White than neighboring Glenview Manor (95.3% White), and Crossgate (96.8% White).
Thornhill's Black Population
2 residents of Thornhill, or 1.0% of the population, identify as Black. The share of Black residents in Thornhill is lower than in Kentucky overall, where 7.6% of the population is Black. Thornhill ranks 397th statewide in terms of Black residents as a share of the population, out of 554 places.
Since the 2020 Census, Thornhill's Black population has grown by an estimated 100.0%. Black residents' share of Thornhill's population has increased from 0.5% to 1.0%.
Thornhill is more Black than neighboring Glenview Manor (0% Black), Crossgate (0% Black), and Old Brownsboro Place (0% Black). Thornhill is less Black than neighboring Northfield (4.1% Black), and Hills and Dales (5.2% Black).
Thornhill's Asian Population
0 residents of Thornhill, or 0.0% of the population, identify as Asian. The share of Asian residents in Thornhill is comparable to the share in Kentucky overall, where 1.6% of the population is Asian. Thornhill ranks 388th statewide in terms of Asian residents as a share of the population, out of 554 places.
Since the 2020 Census, Thornhill's Asian population has grown from 0 to an estimated 0. Asian residents' share of Thornhill's population has remained roughly unchanged at 0.0%.
Thornhill is less Asian than neighboring Glenview Manor (0.6% Asian), Crossgate (2.6% Asian), Northfield (2.6% Asian), Hills and Dales (9% Asian), and Old Brownsboro Place (4.5% Asian).
Thornhill's Hispanic Population
2 residents of Thornhill, or 1.0% of the population, identify as Hispanic. The share of Hispanic residents in Thornhill is slightly lower than in Kentucky overall, where 5% of the population is Hispanic. Thornhill ranks 239th statewide in terms of Hispanic residents as a share of the population, out of 554 places.
Since the 2020 Census, Thornhill's Hispanic population has declined by an estimated 60.0%. Hispanic residents' share of Thornhill's population has decreased from 2.7% to 1.0%.
Thornhill is more Hispanic than neighboring Crossgate (0.5% Hispanic). Thornhill is less Hispanic than neighboring Glenview Manor (1.2% Hispanic), Northfield (4.6% Hispanic), Hills and Dales (5.2% Hispanic), and Old Brownsboro Place (1.8% Hispanic).
Thornhill's Native American/Other Population
0 residents of Thornhill, 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 Thornhill is comparable to the share in Kentucky overall, where 0.4% of the population is Native American/Other. Thornhill ranks 1st statewide in terms of Native American/Other residents as a share of the population, out of 554 places.
Since the 2020 Census, Thornhill's Native American/Other population has declined by an estimated 100.0%. Native American/Other residents' share of Thornhill's population has decreased from 4.3% to 0.0%.
Thornhill is less Native American/Other than neighboring Northfield (0.4% Native American/Other).
Thornhill's Multiracial Population
6 residents of Thornhill, or 3.1% of the population, identify as Multiracial. The share of Multiracial residents in Thornhill is comparable to the share in Kentucky overall, where 3.9% of the population is Multiracial. Thornhill ranks 21st statewide in terms of Multiracial residents as a share of the population, out of 554 places.
Since the 2020 Census, Thornhill's Multiracial population has declined by an estimated 53.8%. Multiracial residents' share of Thornhill's population has decreased from 7.0% to 3.1%.
Thornhill is more Multiracial than neighboring Glenview Manor (2.9% Multiracial), Crossgate (0% Multiracial), Northfield (2.9% Multiracial), and Old Brownsboro Place (0.9% Multiracial). Thornhill is less Multiracial than neighboring Hills and Dales (4.5% 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.