Marathon, FL Demographics

A map of Marathon's Population by Race

Marathon, Florida had a population of 9,689 in 2020. It was 62.5% White, 3.8% Black, 0.9% Asian, 30.0% Hispanic, 0.5% Native American/Other, and 2.4% Multiracial. This map presents the population of Marathon, with one dot drawn for each person counted in the 2020 Census, color-coded by race.

Of the 955 places in Florida, Marathon is the 346th most populous. 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).

Marathon's White Population

6,058 residents of Marathon identify as White, or 62.5%. This makes the White share of the population of Marathon slightly larger than the White share of the population of Florida (51.5% White). Of the 955 places in Florida, Marathon is ranked #550 in terms of White residents as a share of the population.

Marathon is less White than neighboring Key Colony Beach (81.6% White), Duck Key (82.9% White), Layton (78.6% White), Big Pine Key (79.9% White), and Cudjoe Key (83.9% White).

Marathon's Black Population

365 residents of Marathon identify as Black, or 3.8%. This makes the Black share of the population of Marathon slightly less than the Black share of the population of Florida (14.5% Black). Of the 955 places in Florida, Marathon is ranked #557 in terms of Black residents as a share of the population.

Marathon is more Black than neighboring Key Colony Beach (2.4% Black), Duck Key (3.4% Black), Layton (1% Black), Big Pine Key (1.1% Black), and Cudjoe Key (1.1% Black).

Marathon's Asian Population

84 residents of Marathon identify as Asian, or 0.9%. This makes the Asian share of the population of Marathon roughly similar to the Asian share of the population of Florida (2.9% Asian). Of the 955 places in Florida, Marathon is ranked #591 in terms of Asian residents as a share of the population.

Marathon is more Asian than neighboring Duck Key (0.6% Asian), and Layton (0% Asian). Marathon is less Asian than neighboring Big Pine Key (1% Asian).

Marathon's Hispanic Population

2,904 residents of Marathon identify as Hispanic, or 30.0%. This makes the Hispanic share of the population of Marathon roughly similar to the Hispanic share of the population of Florida (26.5% Hispanic). Of the 955 places in Florida, Marathon is ranked #192 in terms of Hispanic residents as a share of the population.

Marathon is more Hispanic than neighboring Key Colony Beach (12.9% Hispanic), Duck Key (10.9% Hispanic), Layton (19.5% Hispanic), Big Pine Key (13.7% Hispanic), and Cudjoe Key (9.6% Hispanic).

Marathon's Native American/Other Population

48 residents of Marathon identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other, or 0.5%. This makes the Native American/Other share of the population of Marathon roughly similar to the Native American/Other share of the population of Florida (0.9% Native American/Other). Of the 955 places in Florida, Marathon is ranked #683 in terms of Native American/Other residents as a share of the population.

Marathon is more Native American/Other than neighboring Duck Key (0% Native American/Other), and Layton (0% Native American/Other). Marathon is less Native American/Other than neighboring Key Colony Beach (0.8% Native American/Other), Big Pine Key (0.9% Native American/Other), and Cudjoe Key (1.4% Native American/Other).

Marathon's Multiracial Population

230 residents of Marathon identify as Multiracial, or 2.4%. This makes the Multiracial share of the population of Marathon roughly similar to the Multiracial share of the population of Florida (3.7% Multiracial). Of the 955 places in Florida, Marathon is ranked #735 in terms of Multiracial residents as a share of the population.

Marathon is more Multiracial than neighboring Key Colony Beach (1.4% Multiracial), Duck Key (2.2% Multiracial), and Layton (1% Multiracial). Marathon is less Multiracial than neighboring Big Pine Key (3.4% Multiracial), and Cudjoe Key (3.1% Multiracial).

Source: 2020 Census State Redistricting Data and Census TIGER/Line Shapefiles.