Marshall County Demographics

A map of Marshall County's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	30,284	29,697	95.4%	93.8%
Hispanic	622	539	2.0%	1.7%
Multiracial	465	1,079	1.5%	3.4%
Black	187	101	0.6%	0.3%
Asian	128	129	0.4%	0.4%
Native American/Other	57	114	0.2%	0.4%

Marshall County, Kentucky has an estimated population of 31,743, a less than 1% change from the 31,659 recorded in the 2020 Census. The population is 95.4% White, 2.0% Hispanic, 1.5% Multiracial, 0.6% Black, 0.4% Asian, and 0.2% Native American/Other. This demographic dot map shows the population of Marshall County, with one dot drawn for each person counted by the Census, color-coded by race.

Marshall has become 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 Marshall County, that probability was 11.9% in 2020 and 8.9% in the most recent ACS estimates.

Marshall County is ranked the 32nd most populous county in Kentucky, out of 120 counties. Marshall County was ranked the 32nd most populous county in the 2020 Census.

Marshall County's White Population

30,284 residents of Marshall County, or 95.4% of the population, identify as White. The share of White residents in Marshall County is considerably higher than in Kentucky overall, where 81.5% of the population is White. Marshall County ranks 33rd statewide in terms of White residents as a share of the population, out of 120 counties.

Since the 2020 Census, Marshall County's White population has grown by an estimated 2.0%. White residents' share of Marshall County's population has increased from 93.8% to 95.4%.

Marshall County is more White than neighboring Calloway County (86.9% White), Lyon County (87.3% White), Livingston County (94.1% White), Graves County (83.8% White), and McCracken County (81.1% White).

Marshall County's Black Population

187 residents of Marshall County, or 0.6% of the population, identify as Black. The share of Black residents in Marshall County is lower than in Kentucky overall, where 7.6% of the population is Black. Marshall County ranks 110th statewide in terms of Black residents as a share of the population, out of 120 counties.

Since the 2020 Census, Marshall County's Black population has grown by an estimated 85.1%. Black residents' share of Marshall County's population has remained roughly unchanged at 0.6%.

Marshall County is more Black than neighboring Livingston County (0.1% Black). Marshall County is less Black than neighboring Calloway County (4% Black), Lyon County (6.8% Black), Graves County (4.2% Black), and McCracken County (9.7% Black).

Marshall County's Asian Population

128 residents of Marshall County, or 0.4% of the population, identify as Asian. The share of Asian residents in Marshall County is comparable to the share in Kentucky overall, where 1.6% of the population is Asian. Marshall County ranks 47th statewide in terms of Asian residents as a share of the population, out of 120 counties.

Since the 2020 Census, Marshall County's Asian population has remained roughly the same. Asian residents' share of Marshall County's population has remained roughly unchanged at 0.4%.

Marshall County is more Asian than neighboring Livingston County (0.1% Asian). Marshall County is less Asian than neighboring Calloway County (1.8% Asian), Lyon County (0.5% Asian), and McCracken County (0.9% Asian).

Marshall County's Hispanic Population

622 residents of Marshall County, or 2.0% of the population, identify as Hispanic. The share of Hispanic residents in Marshall County is slightly lower than in Kentucky overall, where 5% of the population is Hispanic. Marshall County ranks 80th statewide in terms of Hispanic residents as a share of the population, out of 120 counties.

Since the 2020 Census, Marshall County's Hispanic population has grown by an estimated 15.4%. Hispanic residents' share of Marshall County's population has remained roughly unchanged at 2.0%.

Marshall County is less Hispanic than neighboring Calloway County (3.7% Hispanic), Lyon County (2.2% Hispanic), Livingston County (2.5% Hispanic), Graves County (8.1% Hispanic), and McCracken County (3.4% Hispanic).

Marshall County's Native American/Other Population

57 residents of Marshall County, 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 Marshall County is comparable to the share in Kentucky overall, where 0.4% of the population is Native American/Other. Marshall County ranks 82nd statewide in terms of Native American/Other residents as a share of the population, out of 120 counties.

Since the 2020 Census, Marshall County's Native American/Other population has declined by an estimated 50.0%. Native American/Other residents' share of Marshall County's population has remained roughly unchanged at 0.2%.

Marshall County is more Native American/Other than neighboring Livingston County (0.1% Native American/Other). Marshall County is less Native American/Other than neighboring Calloway County (0.9% Native American/Other), Lyon County (0.6% Native American/Other), Graves County (0.4% Native American/Other), and McCracken County (0.6% Native American/Other).

Marshall County's Multiracial Population

465 residents of Marshall County, or 1.5% of the population, identify as Multiracial. The share of Multiracial residents in Marshall County is slightly lower than in Kentucky overall, where 3.9% of the population is Multiracial. Marshall County ranks 57th statewide in terms of Multiracial residents as a share of the population, out of 120 counties.

Since the 2020 Census, Marshall County's Multiracial population has declined by an estimated 56.9%. Multiracial residents' share of Marshall County's population has decreased from 3.4% to 1.5%.

Marshall County is less Multiracial than neighboring Calloway County (2.8% Multiracial), Lyon County (2.5% Multiracial), Livingston County (3.1% Multiracial), Graves County (3% Multiracial), and McCracken County (4.2% 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.