Louisa County Demographics

A map of Louisa County's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	30,420	28,535	76.1%	75.9%
Black	4,604	5,365	11.5%	14.3%
Multiracial	2,563	1,814	6.4%	4.8%
Hispanic	1,659	1,365	4.1%	3.6%
Native American/Other	492	266	1.2%	0.7%
Asian	242	251	0.6%	0.7%

Louisa County, Virginia has an estimated population of 39,980, an increase from the 37,596 recorded in the 2020 Census. The population is 76.1% White, 11.5% Black, 6.4% Multiracial, 4.1% Hispanic, 1.2% Native American/Other, and 0.6% Asian. This demographic dot map shows the population of Louisa County, with one dot drawn for each person counted by the Census, color-coded by race.

Louisa is about as racially diverse as it was in the 2020 Census. It is considerably less diverse than Virginia overall. Demographers use a diversity index to measure the probability that two randomly selected individuals belong to different racial or ethnic groups. In Louisa County, that probability was 40.0% in 2020 and 40.2% in the most recent ACS estimates.

Louisa County is ranked the 44th most populous county in Virginia, out of 133 counties. Louisa County was ranked the 47th most populous county in the 2020 Census.

Louisa County's White Population

30,420 residents of Louisa County, or 76.1% of the population, identify as White. The share of White residents in Louisa County is significantly higher than in Virginia overall, where 58.4% of the population is White. Louisa County ranks 56th statewide in terms of White residents as a share of the population, out of 133 counties.

Since the 2020 Census, Louisa County's White population has grown by an estimated 6.6%. White residents' share of Louisa County's population has remained roughly unchanged at 76.1%.

Louisa County is more White than neighboring Orange County (74.9% White), Fluvanna County (75% White), and Spotsylvania County (61% White). Louisa County is less White than neighboring Goochland County (77.6% White), and Powhatan County (84.7% White).

Louisa County's Black Population

4,604 residents of Louisa County, or 11.5% of the population, identify as Black. The share of Black residents in Louisa County is lower than in Virginia overall, where 18.3% of the population is Black. Louisa County ranks 61st statewide in terms of Black residents as a share of the population, out of 133 counties.

Since the 2020 Census, Louisa County's Black population has declined by an estimated 14.2%. Black residents' share of Louisa County's population has decreased from 14.3% to 11.5%.

Louisa County is more Black than neighboring Orange County (10.1% Black), and Powhatan County (7.2% Black). Louisa County is less Black than neighboring Goochland County (13.7% Black), Fluvanna County (11.8% Black), and Spotsylvania County (16.7% Black).

Louisa County's Asian Population

242 residents of Louisa County, or 0.6% of the population, identify as Asian. The share of Asian residents in Louisa County is lower than in Virginia overall, where 6.9% of the population is Asian. Louisa County ranks 79th statewide in terms of Asian residents as a share of the population, out of 133 counties.

Since the 2020 Census, Louisa County's Asian population has declined by an estimated 3.6%. Asian residents' share of Louisa County's population has remained roughly unchanged at 0.6%.

Louisa County is more Asian than neighboring Powhatan County (0.3% Asian). Louisa County is less Asian than neighboring Goochland County (1.9% Asian), Orange County (1% Asian), Fluvanna County (0.9% Asian), and Spotsylvania County (2.7% Asian).

Louisa County's Hispanic Population

1,659 residents of Louisa County, or 4.1% of the population, identify as Hispanic. The share of Hispanic residents in Louisa County is lower than in Virginia overall, where 11% of the population is Hispanic. Louisa County ranks 72nd statewide in terms of Hispanic residents as a share of the population, out of 133 counties.

Since the 2020 Census, Louisa County's Hispanic population has grown by an estimated 21.5%. Hispanic residents' share of Louisa County's population has remained roughly unchanged at 4.1%.

Louisa County is more Hispanic than neighboring Goochland County (3.8% Hispanic), and Powhatan County (2.9% Hispanic). Louisa County is less Hispanic than neighboring Orange County (7% Hispanic), Fluvanna County (4.6% Hispanic), and Spotsylvania County (13.4% Hispanic).

Louisa County's Native American/Other Population

492 residents of Louisa County, or 1.2% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Louisa County is comparable to the share in Virginia overall, where 0.8% of the population is Native American/Other. Louisa County ranks 61st statewide in terms of Native American/Other residents as a share of the population, out of 133 counties.

Since the 2020 Census, Louisa County's Native American/Other population has grown by an estimated 85.0%. Native American/Other residents' share of Louisa County's population has increased from 0.7% to 1.2%.

Louisa County is more Native American/Other than neighboring Goochland County (0.2% Native American/Other), Orange County (0.7% Native American/Other), Spotsylvania County (0.6% Native American/Other), and Powhatan County (0.8% Native American/Other). Louisa County is less Native American/Other than neighboring Fluvanna County (1.4% Native American/Other).

Louisa County's Multiracial Population

2,563 residents of Louisa County, or 6.4% of the population, identify as Multiracial. The share of Multiracial residents in Louisa County is comparable to the share in Virginia overall, where 4.7% of the population is Multiracial. Louisa County ranks 33rd statewide in terms of Multiracial residents as a share of the population, out of 133 counties.

Since the 2020 Census, Louisa County's Multiracial population has grown by an estimated 41.3%. Multiracial residents' share of Louisa County's population has increased from 4.8% to 6.4%.

Louisa County is more Multiracial than neighboring Goochland County (2.9% Multiracial), Orange County (6.3% Multiracial), Spotsylvania County (5.7% Multiracial), and Powhatan 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.