Martin County Demographics

A map of Martin County's Population by Race

Martin County, Kentucky has an estimated population of 11,027, a slight decrease from the 11,287 recorded in the 2020 Census. The population is 84.7% White, 7.8% Black, 5.1% Multiracial, 1.7% Hispanic, 0.8% Native American/Other, and 0.0% Asian. This demographic dot map shows the population of Martin County, with one dot drawn for each person counted by the Census, color-coded by race.

Martin has become considerably more 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 Martin County, that probability was 20.9% in 2020 and 27.4% in the most recent ACS estimates.

Martin County is ranked the 96th most populous county in Kentucky, out of 120 counties. Martin County was ranked the 94th most populous county in the 2020 Census.

Martin County's White Population

9,337 residents of Martin County, or 84.7% of the population, identify as White. The share of White residents in Martin County is slightly higher than in Kentucky overall, where 81.5% of the population is White. Martin County ranks 80th statewide in terms of White residents as a share of the population, out of 120 counties.

Since the 2020 Census, Martin County's White population has declined by an estimated 6.6%. White residents' share of Martin County's population has decreased from 88.6% to 84.7%.

Martin County is less White than neighboring Johnson County (93.9% White), Floyd County (95.4% White), Lawrence County (96.6% White), Pike County (93.9% White), and Wayne County (95.7% White).

Martin County's Black Population

859 residents of Martin County, or 7.8% of the population, identify as Black. The share of Black residents in Martin County is comparable to the share in Kentucky overall, where 7.6% of the population is Black. Martin County ranks 15th statewide in terms of Black residents as a share of the population, out of 120 counties.

Since the 2020 Census, Martin County's Black population has grown by an estimated 10.1%. Black residents' share of Martin County's population has increased from 6.9% to 7.8%.

Martin County is more Black than neighboring Johnson County (0.6% Black), Floyd County (0.6% Black), Lawrence County (0.1% Black), Pike County (0.6% Black), and Wayne County (1% Black).

Martin County's Asian Population

0 residents of Martin County, or 0.0% of the population, identify as Asian. The share of Asian residents in Martin County is comparable to the share in Kentucky overall, where 1.6% of the population is Asian. Martin County ranks 95th statewide in terms of Asian residents as a share of the population, out of 120 counties.

Since the 2020 Census, Martin County's Asian population has declined by an estimated 100.0%. Asian residents' share of Martin County's population has remained roughly unchanged at 0.0%.

Martin County is less Asian than neighboring Johnson County (1.4% Asian), Floyd County (0.4% Asian), Lawrence County (1.3% Asian), and Pike County (0.6% Asian).

Martin County's Hispanic Population

189 residents of Martin County, or 1.7% of the population, identify as Hispanic. The share of Hispanic residents in Martin County is slightly lower than in Kentucky overall, where 5% of the population is Hispanic. Martin County ranks 54th statewide in terms of Hispanic residents as a share of the population, out of 120 counties.

Since the 2020 Census, Martin County's Hispanic population has declined by an estimated 34.8%. Hispanic residents' share of Martin County's population has decreased from 2.6% to 1.7%.

Martin County is more Hispanic than neighboring Johnson County (0.5% Hispanic), Floyd County (0.9% Hispanic), Lawrence County (0.4% Hispanic), Pike County (1.3% Hispanic), and Wayne County (0.9% Hispanic).

Martin County's Native American/Other Population

85 residents of Martin County, or 0.8% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Martin County is comparable to the share in Kentucky overall, where 0.4% of the population is Native American/Other. Martin County ranks 73rd statewide in terms of Native American/Other residents as a share of the population, out of 120 counties.

Since the 2020 Census, Martin County's Native American/Other population has grown by an estimated 93.2%. Native American/Other residents' share of Martin County's population has remained roughly unchanged at 0.8%.

Martin County is more Native American/Other than neighboring Johnson County (0.1% Native American/Other), Floyd County (0.2% Native American/Other), Lawrence County (0% Native American/Other), Pike County (0.1% Native American/Other), and Wayne County (0.2% Native American/Other).

Martin County's Multiracial Population

557 residents of Martin County, or 5.1% of the population, identify as Multiracial. The share of Multiracial residents in Martin County is comparable to the share in Kentucky overall, where 3.9% of the population is Multiracial. Martin County ranks 119th statewide in terms of Multiracial residents as a share of the population, out of 120 counties.

Since the 2020 Census, Martin County's Multiracial population has grown by an estimated 261.7%. Multiracial residents' share of Martin County's population has increased from 1.4% to 5.1%.

Martin County is more Multiracial than neighboring Johnson County (3.5% Multiracial), Floyd County (2.6% Multiracial), Lawrence County (1.6% Multiracial), Pike County (3.6% Multiracial), and Wayne County (2.2% 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.