Lafayette County Demographics

A map of Lafayette County's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	153,138	150,475	61.7%	62.2%
Black	62,888	60,677	25.4%	25.1%
Hispanic	16,679	15,983	6.7%	6.6%
Multiracial	8,916	7,718	3.6%	3.2%
Asian	4,786	5,212	1.9%	2.2%
Native American/Other	1,590	1,688	0.6%	0.7%

Lafayette County, Louisiana has an estimated population of 247,997, a slight increase from the 241,753 recorded in the 2020 Census. The population is 61.7% White, 25.4% Black, 6.7% Hispanic, 3.6% Multiracial, 1.9% Asian, and 0.6% Native American/Other. This demographic dot map shows the population of Lafayette County, with one dot drawn for each person counted by the Census, color-coded by race.

Lafayette is about as racially diverse as it was in the 2020 Census. It is less diverse than Louisiana overall. Demographers use a diversity index to measure the probability that two randomly selected individuals belong to different racial or ethnic groups. In Lafayette County, that probability was 54.4% in 2020 and 54.8% in the most recent ACS estimates.

Lafayette County is ranked the 5th most populous county in Louisiana, out of 64 counties. Lafayette County was ranked the 5th most populous county in the 2020 Census.

Lafayette County's White Population

153,138 residents of Lafayette County, or 61.7% of the population, identify as White. The share of White residents in Lafayette County is higher than in Louisiana overall, where 55.7% of the population is White. Lafayette County ranks 29th statewide in terms of White residents as a share of the population, out of 64 counties.

Since the 2020 Census, Lafayette County's White population has grown by an estimated 1.8%. White residents' share of Lafayette County's population has decreased from 62.2% to 61.7%.

Lafayette County is more White than neighboring St. Landry County (52.1% White), and Iberia County (56% White). Lafayette County is less White than neighboring Acadia County (76.2% White), St. Martin County (63.1% White), and Vermilion County (75.9% White).

Lafayette County's Black Population

62,888 residents of Lafayette County, or 25.4% of the population, identify as Black. The share of Black residents in Lafayette County is lower than in Louisiana overall, where 30.5% of the population is Black. Lafayette County ranks 42nd statewide in terms of Black residents as a share of the population, out of 64 counties.

Since the 2020 Census, Lafayette County's Black population has grown by an estimated 3.6%. Black residents' share of Lafayette County's population has remained roughly unchanged at 25.4%.

Lafayette County is more Black than neighboring Acadia County (16% Black), and Vermilion County (12.8% Black). Lafayette County is less Black than neighboring St. Landry County (39.7% Black), St. Martin County (28.6% Black), and Iberia County (31% Black).

Lafayette County's Asian Population

4,786 residents of Lafayette County, or 1.9% of the population, identify as Asian. The share of Asian residents in Lafayette County is comparable to the share in Louisiana overall, where 1.7% of the population is Asian. Lafayette County ranks 8th statewide in terms of Asian residents as a share of the population, out of 64 counties.

Since the 2020 Census, Lafayette County's Asian population has declined by an estimated 8.2%. Asian residents' share of Lafayette County's population has remained roughly unchanged at 1.9%.

Lafayette County is more Asian than neighboring Acadia County (0.2% Asian), St. Landry County (0.6% Asian), and St. Martin County (0.8% Asian). Lafayette County is less Asian than neighboring Vermilion County (2% Asian), and Iberia County (2.5% Asian).

Lafayette County's Hispanic Population

16,679 residents of Lafayette County, or 6.7% of the population, identify as Hispanic. The share of Hispanic residents in Lafayette County is comparable to the share in Louisiana overall, where 7.2% of the population is Hispanic. Lafayette County ranks 18th statewide in terms of Hispanic residents as a share of the population, out of 64 counties.

Since the 2020 Census, Lafayette County's Hispanic population has grown by an estimated 4.4%. Hispanic residents' share of Lafayette County's population has remained roughly unchanged at 6.7%.

Lafayette County is more Hispanic than neighboring Acadia County (3.3% Hispanic), St. Landry County (3.1% Hispanic), St. Martin County (3.6% Hispanic), Vermilion County (4.5% Hispanic), and Iberia County (5.6% Hispanic).

Lafayette County's Native American/Other Population

1,590 residents of Lafayette County, or 0.6% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Lafayette County is comparable to the share in Louisiana overall, where 1% of the population is Native American/Other. Lafayette County ranks 27th statewide in terms of Native American/Other residents as a share of the population, out of 64 counties.

Since the 2020 Census, Lafayette County's Native American/Other population has declined by an estimated 5.8%. Native American/Other residents' share of Lafayette County's population has remained roughly unchanged at 0.6%.

Lafayette County is more Native American/Other than neighboring Acadia County (0.2% Native American/Other). Lafayette County is less Native American/Other than neighboring St. Landry County (1.2% Native American/Other), Vermilion County (0.9% Native American/Other), and Iberia County (0.8% Native American/Other).

Lafayette County's Multiracial Population

8,916 residents of Lafayette County, or 3.6% of the population, identify as Multiracial. The share of Multiracial residents in Lafayette County is comparable to the share in Louisiana overall, where 3.8% of the population is Multiracial. Lafayette County ranks 30th statewide in terms of Multiracial residents as a share of the population, out of 64 counties.

Since the 2020 Census, Lafayette County's Multiracial population has grown by an estimated 15.5%. Multiracial residents' share of Lafayette County's population has remained roughly unchanged at 3.6%.

Lafayette County is more Multiracial than neighboring St. Landry County (3.3% Multiracial), and St. Martin County (3.3% Multiracial). Lafayette County is less Multiracial than neighboring Acadia County (4.1% Multiracial), Vermilion County (4% Multiracial), and Iberia County (4.1% 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.