Marshall County Demographics

A map of Marshall County's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	9,947	9,749	63.0%	63.7%
Hispanic	2,866	2,605	18.1%	17.0%
Multiracial	1,727	1,243	10.9%	8.1%
Native American/Other	1,117	1,502	7.1%	9.8%
Asian	69	44	0.4%	0.3%
Black	66	169	0.4%	1.1%

Marshall County, Oklahoma has an estimated population of 15,792, an increase from the 15,312 recorded in the 2020 Census. The population is 63.0% White, 18.1% Hispanic, 10.9% Multiracial, 7.1% Native American/Other, 0.4% Black, and 0.4% Asian. 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 is about as racially diverse as it was in the 2020 Census. It is less diverse than Oklahoma 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 54.9% in 2020 and 55.3% in the most recent ACS estimates.

Marshall County is ranked the 44th most populous county in Oklahoma, out of 77 counties. Marshall County was ranked the 44th most populous county in the 2020 Census.

Marshall County's White Population

9,947 residents of Marshall County, or 63.0% of the population, identify as White. The share of White residents in Marshall County is comparable to the share in Oklahoma overall, where 62.1% of the population is White. Marshall County ranks 51st statewide in terms of White residents as a share of the population, out of 77 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 decreased from 63.7% to 63.0%.

Marshall County is less White than neighboring Johnston County (66.7% White), Grayson County (71.1% White), Love County (67.5% White), Bryan County (67.6% White), and Murray County (69% White).

Marshall County's Black Population

66 residents of Marshall County, or 0.4% of the population, identify as Black. The share of Black residents in Marshall County is lower than in Oklahoma overall, where 6.8% of the population is Black. Marshall County ranks 55th statewide in terms of Black residents as a share of the population, out of 77 counties.

Since the 2020 Census, Marshall County's Black population has declined by an estimated 60.9%. Black residents' share of Marshall County's population has decreased from 1.1% to 0.4%.

Marshall County is less Black than neighboring Johnston County (2.3% Black), Grayson County (5.1% Black), Love County (2% Black), Bryan County (2.1% Black), and Murray County (1.1% Black).

Marshall County's Asian Population

69 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 Oklahoma overall, where 2.4% of the population is Asian. Marshall County ranks 59th statewide in terms of Asian residents as a share of the population, out of 77 counties.

Since the 2020 Census, Marshall County's Asian population has grown by an estimated 56.8%. Asian residents' share of Marshall County's population has remained roughly unchanged at 0.4%.

Marshall County is more Asian than neighboring Johnston County (0.1% Asian), and Murray County (0% Asian). Marshall County is less Asian than neighboring Grayson County (1.5% Asian), Love County (0.8% Asian), and Bryan County (0.7% Asian).

Marshall County's Hispanic Population

2,866 residents of Marshall County, or 18.1% of the population, identify as Hispanic. The share of Hispanic residents in Marshall County is higher than in Oklahoma overall, where 12.7% of the population is Hispanic. Marshall County ranks 11th statewide in terms of Hispanic residents as a share of the population, out of 77 counties.

Since the 2020 Census, Marshall County's Hispanic population has grown by an estimated 10.0%. Hispanic residents' share of Marshall County's population has increased from 17.0% to 18.1%.

Marshall County is more Hispanic than neighboring Johnston County (6.1% Hispanic), Grayson County (16.3% Hispanic), Bryan County (8% Hispanic), and Murray County (7.2% Hispanic). Marshall County is less Hispanic than neighboring Love County (18.2% Hispanic).

Marshall County's Native American/Other Population

1,117 residents of Marshall County, or 7.1% 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 Oklahoma overall, where 7.1% of the population is Native American/Other. Marshall County ranks 38th statewide in terms of Native American/Other residents as a share of the population, out of 77 counties.

Since the 2020 Census, Marshall County's Native American/Other population has declined by an estimated 25.6%. Native American/Other residents' share of Marshall County's population has decreased from 9.8% to 7.1%.

Marshall County is more Native American/Other than neighboring Grayson County (1% Native American/Other), and Love County (4% Native American/Other). Marshall County is less Native American/Other than neighboring Johnston County (12.8% Native American/Other), Bryan County (12.5% Native American/Other), and Murray County (12.6% Native American/Other).

Marshall County's Multiracial Population

1,727 residents of Marshall County, or 10.9% of the population, identify as Multiracial. The share of Multiracial residents in Marshall County is comparable to the share in Oklahoma overall, where 8.9% of the population is Multiracial. Marshall County ranks 50th statewide in terms of Multiracial residents as a share of the population, out of 77 counties.

Since the 2020 Census, Marshall County's Multiracial population has grown by an estimated 38.9%. Multiracial residents' share of Marshall County's population has increased from 8.1% to 10.9%.

Marshall County is more Multiracial than neighboring Grayson County (4.9% Multiracial), Love County (7.6% Multiracial), Bryan County (9% Multiracial), and Murray County (10% Multiracial). Marshall County is less Multiracial than neighboring Johnston County (12% 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.