Benton County Demographics

A map of Benton County's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	176,255	191,761	58.0%	67.4%
Hispanic	56,188	50,540	18.5%	17.8%
Multiracial	46,310	16,649	15.3%	5.9%
Asian	13,844	13,602	4.6%	4.8%
Native American/Other	5,652	7,258	1.9%	2.6%
Black	5,383	4,523	1.8%	1.6%

Benton County, Arkansas has an estimated population of 303,632, an increase from the 284,333 recorded in the 2020 Census. The population is 58.0% White, 18.5% Hispanic, 15.3% Multiracial, 4.6% Asian, 1.9% Native American/Other, and 1.8% Black. This demographic dot map shows the population of Benton County, with one dot drawn for each person counted by the Census, color-coded by race.

Benton has become considerably more racially diverse since the 2020 Census. It is considerably more diverse than Arkansas overall. Demographers use a diversity index to measure the probability that two randomly selected individuals belong to different racial or ethnic groups. In Benton County, that probability was 50.7% in 2020 and 60.3% in the most recent ACS estimates.

Benton County is ranked the 2nd most populous county in Arkansas, out of 75 counties. Benton County was ranked the 2nd most populous county in the 2020 Census.

Benton County's White Population

176,255 residents of Benton County, or 58.0% of the population, identify as White. The share of White residents in Benton County is lower than in Arkansas overall, where 67.4% of the population is White. Benton County ranks 48th statewide in terms of White residents as a share of the population, out of 75 counties.

Since the 2020 Census, Benton County's White population has declined by an estimated 8.1%. White residents' share of Benton County's population has decreased from 67.4% to 58.0%.

Benton County is less White than neighboring McDonald County (68.3% White), Washington County (59.9% White), Delaware County (62.1% White), Barry County (80.2% White), and Newton County (80.4% White).

Benton County's Black Population

5,383 residents of Benton County, or 1.8% of the population, identify as Black. The share of Black residents in Benton County is considerably lower than in Arkansas overall, where 14.6% of the population is Black. Benton County ranks 52nd statewide in terms of Black residents as a share of the population, out of 75 counties.

Since the 2020 Census, Benton County's Black population has grown by an estimated 19.0%. Black residents' share of Benton County's population has remained roughly unchanged at 1.8%.

Benton County is more Black than neighboring Delaware County (0.4% Black), Barry County (0.2% Black), and Newton County (0.9% Black). Benton County is less Black than neighboring McDonald County (2% Black), and Washington County (3% Black).

Benton County's Asian Population

13,844 residents of Benton County, or 4.6% of the population, identify as Asian. The share of Asian residents in Benton County is slightly higher than in Arkansas overall, where 1.6% of the population is Asian. Benton County ranks 1st statewide in terms of Asian residents as a share of the population, out of 75 counties.

Since the 2020 Census, Benton County's Asian population has grown by an estimated 1.8%. Asian residents' share of Benton County's population has remained roughly unchanged at 4.6%.

Benton County is more Asian than neighboring McDonald County (1.3% Asian), Washington County (2.4% Asian), Delaware County (1.5% Asian), Barry County (2% Asian), and Newton County (1.6% Asian).

Benton County's Hispanic Population

56,188 residents of Benton County, or 18.5% of the population, identify as Hispanic. The share of Hispanic residents in Benton County is higher than in Arkansas overall, where 9% of the population is Hispanic. Benton County ranks 4th statewide in terms of Hispanic residents as a share of the population, out of 75 counties.

Since the 2020 Census, Benton County's Hispanic population has grown by an estimated 11.2%. Hispanic residents' share of Benton County's population has increased from 17.8% to 18.5%.

Benton County is more Hispanic than neighboring McDonald County (12.4% Hispanic), Delaware County (4.5% Hispanic), Barry County (10.2% Hispanic), and Newton County (6.8% Hispanic). Benton County is less Hispanic than neighboring Washington County (18.6% Hispanic).

Benton County's Native American/Other Population

5,652 residents of Benton County, or 1.9% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Benton County is comparable to the share in Arkansas overall, where 1% of the population is Native American/Other. Benton County ranks 6th statewide in terms of Native American/Other residents as a share of the population, out of 75 counties.

Since the 2020 Census, Benton County's Native American/Other population has declined by an estimated 22.1%. Native American/Other residents' share of Benton County's population has decreased from 2.6% to 1.9%.

Benton County is more Native American/Other than neighboring Barry County (1.1% Native American/Other). Benton County is less Native American/Other than neighboring McDonald County (5.6% Native American/Other), Washington County (3.9% Native American/Other), Delaware County (20.4% Native American/Other), and Newton County (3.1% Native American/Other).

Benton County's Multiracial Population

46,310 residents of Benton County, or 15.3% of the population, identify as Multiracial. The share of Multiracial residents in Benton County is higher than in Arkansas overall, where 6.3% of the population is Multiracial. Benton County ranks 9th statewide in terms of Multiracial residents as a share of the population, out of 75 counties.

Since the 2020 Census, Benton County's Multiracial population has grown by an estimated 178.2%. Multiracial residents' share of Benton County's population has increased from 5.9% to 15.3%.

Benton County is more Multiracial than neighboring McDonald County (10.4% Multiracial), Washington County (12.2% Multiracial), Delaware County (11% Multiracial), Barry County (6.4% Multiracial), and Newton County (7.2% 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.