Lamar County Demographics

A map of Lamar County's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	46,410	43,865	70.6%	68.3%
Black	14,289	14,296	21.7%	22.3%
Hispanic	2,419	2,362	3.7%	3.7%
Multiracial	1,681	2,244	2.6%	3.5%
Asian	611	1,091	0.9%	1.7%
Native American/Other	303	364	0.5%	0.6%

Lamar County, Mississippi has an estimated population of 65,713, a slight increase from the 64,222 recorded in the 2020 Census. The population is 70.6% White, 21.7% Black, 3.7% Hispanic, 2.6% Multiracial, 0.9% Asian, and 0.5% Native American/Other. This demographic dot map shows the population of Lamar County, with one dot drawn for each person counted by the Census, color-coded by race.

Lamar has become less racially diverse since the 2020 Census. It is considerably less diverse than Mississippi overall. Demographers use a diversity index to measure the probability that two randomly selected individuals belong to different racial or ethnic groups. In Lamar County, that probability was 48.1% in 2020 and 45.2% in the most recent ACS estimates.

Lamar County is ranked the 11th most populous county in Mississippi, out of 82 counties. Lamar County was ranked the 11th most populous county in the 2020 Census.

Lamar County's White Population

46,410 residents of Lamar County, or 70.6% of the population, identify as White. The share of White residents in Lamar County is significantly higher than in Mississippi overall, where 55.2% of the population is White. Lamar County ranks 18th statewide in terms of White residents as a share of the population, out of 82 counties.

Since the 2020 Census, Lamar County's White population has grown by an estimated 5.8%. White residents' share of Lamar County's population has increased from 68.3% to 70.6%.

Lamar County is more White than neighboring Forrest County (55.8% White), Marion County (63.4% White), Covington County (59.4% White), and Jefferson Davis County (37.8% White). Lamar County is less White than neighboring Pearl River County (79.1% White).

Lamar County's Black Population

14,289 residents of Lamar County, or 21.7% of the population, identify as Black. The share of Black residents in Lamar County is considerably lower than in Mississippi overall, where 36.3% of the population is Black. Lamar County ranks 64th statewide in terms of Black residents as a share of the population, out of 82 counties.

Since the 2020 Census, Lamar County's Black population has remained roughly the same. Black residents' share of Lamar County's population has decreased from 22.3% to 21.7%.

Lamar County is more Black than neighboring Pearl River County (12% Black). Lamar County is less Black than neighboring Forrest County (35.5% Black), Marion County (31.2% Black), Covington County (34.8% Black), and Jefferson Davis County (59.5% Black).

Lamar County's Asian Population

611 residents of Lamar County, or 0.9% of the population, identify as Asian. The share of Asian residents in Lamar County is comparable to the share in Mississippi overall, where 1% of the population is Asian. Lamar County ranks 6th statewide in terms of Asian residents as a share of the population, out of 82 counties.

Since the 2020 Census, Lamar County's Asian population has declined by an estimated 44.0%. Asian residents' share of Lamar County's population has decreased from 1.7% to 0.9%.

Lamar County is more Asian than neighboring Marion County (0.3% Asian), Covington County (0.2% Asian), Pearl River County (0.3% Asian), and Jefferson Davis County (0% Asian).

Lamar County's Hispanic Population

2,419 residents of Lamar County, or 3.7% of the population, identify as Hispanic. The share of Hispanic residents in Lamar County is comparable to the share in Mississippi overall, where 3.7% of the population is Hispanic. Lamar County ranks 21st statewide in terms of Hispanic residents as a share of the population, out of 82 counties.

Since the 2020 Census, Lamar County's Hispanic population has grown by an estimated 2.4%. Hispanic residents' share of Lamar County's population has remained roughly unchanged at 3.7%.

Lamar County is more Hispanic than neighboring Marion County (1.9% Hispanic), Covington County (2.6% Hispanic), and Jefferson Davis County (0.7% Hispanic). Lamar County is less Hispanic than neighboring Forrest County (4.4% Hispanic), and Pearl River County (4.3% Hispanic).

Lamar County's Native American/Other Population

303 residents of Lamar 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 Lamar County is comparable to the share in Mississippi overall, where 0.8% of the population is Native American/Other. Lamar County ranks 19th statewide in terms of Native American/Other residents as a share of the population, out of 82 counties.

Since the 2020 Census, Lamar County's Native American/Other population has declined by an estimated 16.8%. Native American/Other residents' share of Lamar County's population has remained roughly unchanged at 0.5%.

Lamar County is more Native American/Other than neighboring Jefferson Davis County (0% Native American/Other). Lamar County is less Native American/Other than neighboring Marion County (0.9% Native American/Other), and Pearl River County (0.8% Native American/Other).

Lamar County's Multiracial Population

1,681 residents of Lamar County, or 2.6% of the population, identify as Multiracial. The share of Multiracial residents in Lamar County is comparable to the share in Mississippi overall, where 3% of the population is Multiracial. Lamar County ranks 6th statewide in terms of Multiracial residents as a share of the population, out of 82 counties.

Since the 2020 Census, Lamar County's Multiracial population has declined by an estimated 25.1%. Multiracial residents' share of Lamar County's population has decreased from 3.5% to 2.6%.

Lamar County is more Multiracial than neighboring Marion County (2.3% Multiracial), Covington County (2.5% Multiracial), and Jefferson Davis County (1.9% Multiracial). Lamar County is less Multiracial than neighboring Forrest County (3% Multiracial), and Pearl River County (3.5% 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.