Hardin County Demographics
A map of Hardin County's Population by Race
Hardin County, Kentucky has an estimated population of 111,942, a slight increase from the 110,702 recorded in the 2020 Census. The population is 74.4% White, 10.7% Black, 6.5% Hispanic, 5.7% Multiracial, 2.2% Asian, and 0.5% Native American/Other. This demographic dot map shows the population of Hardin County, with one dot drawn for each person counted by the Census, color-coded by race.
Hardin has become less racially diverse since the 2020 Census. It is considerably more 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 Hardin County, that probability was 44.3% in 2020 and 42.7% in the most recent ACS estimates.
Hardin County is ranked the 6th most populous county in Kentucky, out of 120 counties. Hardin County was ranked the 6th most populous county in the 2020 Census.
Hardin County's White Population
83,323 residents of Hardin County, or 74.4% of the population, identify as White. The share of White residents in Hardin County is lower than in Kentucky overall, where 81.5% of the population is White. Hardin County ranks 115th statewide in terms of White residents as a share of the population, out of 120 counties.
Since the 2020 Census, Hardin County's White population has grown by an estimated 2.8%. White residents' share of Hardin County's population has increased from 73.2% to 74.4%.
Hardin County is less White than neighboring Larue County (90.4% White), Meade County (88% White), Bullitt County (90.8% White), Hart County (90.2% White), and Grayson County (94.5% White).
Hardin County's Black Population
11,930 residents of Hardin County, or 10.7% of the population, identify as Black. The share of Black residents in Hardin County is slightly higher than in Kentucky overall, where 7.6% of the population is Black. Hardin County ranks 5th statewide in terms of Black residents as a share of the population, out of 120 counties.
Since the 2020 Census, Hardin County's Black population has declined by an estimated 4.6%. Black residents' share of Hardin County's population has decreased from 11.3% to 10.7%.
Hardin County is more Black than neighboring Larue County (2.1% Black), Meade County (3.3% Black), Bullitt County (1.3% Black), Hart County (2.9% Black), and Grayson County (0.8% Black).
Hardin County's Asian Population
2,437 residents of Hardin County, or 2.2% of the population, identify as Asian. The share of Asian residents in Hardin County is comparable to the share in Kentucky overall, where 1.6% of the population is Asian. Hardin County ranks 6th statewide in terms of Asian residents as a share of the population, out of 120 counties.
Since the 2020 Census, Hardin County's Asian population has grown by an estimated 8.6%. Asian residents' share of Hardin County's population has remained roughly unchanged at 2.2%.
Hardin County is more Asian than neighboring Larue County (0% Asian), Meade County (0.6% Asian), Bullitt County (0.7% Asian), Hart County (0.5% Asian), and Grayson County (0.4% Asian).
Hardin County's Hispanic Population
7,273 residents of Hardin County, or 6.5% of the population, identify as Hispanic. The share of Hispanic residents in Hardin County is comparable to the share in Kentucky overall, where 5% of the population is Hispanic. Hardin County ranks 11th statewide in terms of Hispanic residents as a share of the population, out of 120 counties.
Since the 2020 Census, Hardin County's Hispanic population has grown by an estimated 8.6%. Hispanic residents' share of Hardin County's population has increased from 6.0% to 6.5%.
Hardin County is more Hispanic than neighboring Larue County (3.3% Hispanic), Meade County (4.2% Hispanic), Bullitt County (3.3% Hispanic), Hart County (2.1% Hispanic), and Grayson County (1.6% Hispanic).
Hardin County's Native American/Other Population
594 residents of Hardin County, or 0.5% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Hardin County is comparable to the share in Kentucky overall, where 0.4% of the population is Native American/Other. Hardin County ranks 1st statewide in terms of Native American/Other residents as a share of the population, out of 120 counties.
Since the 2020 Census, Hardin County's Native American/Other population has declined by an estimated 56.8%. Native American/Other residents' share of Hardin County's population has decreased from 1.2% to 0.5%.
Hardin County is more Native American/Other than neighboring Bullitt County (0.4% Native American/Other), and Grayson County (0.2% Native American/Other). Hardin County is less Native American/Other than neighboring Larue County (0.6% Native American/Other), and Hart County (0.8% Native American/Other).
Hardin County's Multiracial Population
6,385 residents of Hardin County, or 5.7% of the population, identify as Multiracial. The share of Multiracial residents in Hardin County is comparable to the share in Kentucky overall, where 3.9% of the population is Multiracial. Hardin County ranks 1st statewide in terms of Multiracial residents as a share of the population, out of 120 counties.
Since the 2020 Census, Hardin County's Multiracial population has declined by an estimated 6.0%. Multiracial residents' share of Hardin County's population has remained roughly unchanged at 5.7%.
Hardin County is more Multiracial than neighboring Larue County (3.6% Multiracial), Meade County (3.3% Multiracial), Bullitt County (3.5% Multiracial), Hart County (3.4% Multiracial), and Grayson County (2.4% 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.