Rexburg, ID Demographics

A map of Rexburg's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	32,916	32,002	81.2%	81.2%
Hispanic	4,527	4,237	11.2%	10.8%
Multiracial	1,288	1,168	3.2%	3.0%
Asian	697	862	1.7%	2.2%
Native American/Other	619	469	1.5%	1.2%
Black	496	671	1.2%	1.7%

Rexburg, Idaho has an estimated population of 40,543, a slight increase from the 39,409 recorded in the 2020 Census. The population is 81.2% White, 11.2% Hispanic, 3.2% Multiracial, 1.7% Asian, 1.5% Native American/Other, and 1.2% Black. This demographic dot map shows the population of Rexburg, with one dot drawn for each person counted by the Census, color-coded by race.

Rexburg is about as racially diverse as it was in the 2020 Census. It is less diverse than Idaho overall. Demographers use a diversity index to measure the probability that two randomly selected individuals belong to different racial or ethnic groups. In Rexburg, that probability was 32.7% in 2020 and 32.7% in the most recent ACS estimates.

Rexburg is ranked the 10th most populous place in Idaho, out of 236 places. This ranking is based on the Census definition of a place, which includes incorporated places like cities, towns, and villages, as well as unincorporated census-designated places (CDPs). Rexburg was ranked the 9th most populous place in the 2020 Census.

Rexburg's White Population

32,916 residents of Rexburg, or 81.2% of the population, identify as White. The share of White residents in Rexburg is slightly higher than in Idaho overall, where 78.6% of the population is White. Rexburg ranks 147th statewide in terms of White residents as a share of the population, out of 236 places.

Since the 2020 Census, Rexburg's White population has grown by an estimated 2.9%. White residents' share of Rexburg's population has remained roughly unchanged at 81.2%.

Rexburg is more White than neighboring Teton (76.4% White), St. Anthony (66.6% White), and Ririe (70.7% White). Rexburg is less White than neighboring Sugar City (89.8% White), and Parker (93.9% White).

Rexburg's Black Population

496 residents of Rexburg, or 1.2% of the population, identify as Black. The share of Black residents in Rexburg is comparable to the share in Idaho overall, where 0.7% of the population is Black. Rexburg ranks 7th statewide in terms of Black residents as a share of the population, out of 236 places.

Since the 2020 Census, Rexburg's Black population has declined by an estimated 26.1%. Black residents' share of Rexburg's population has decreased from 1.7% to 1.2%.

Rexburg is more Black than neighboring Sugar City (0% Black), Teton (0.3% Black), Parker (0.3% Black), St. Anthony (0.4% Black), and Ririe (0% Black).

Rexburg's Asian Population

697 residents of Rexburg, or 1.7% of the population, identify as Asian. The share of Asian residents in Rexburg is comparable to the share in Idaho overall, where 1.3% of the population is Asian. Rexburg ranks 10th statewide in terms of Asian residents as a share of the population, out of 236 places.

Since the 2020 Census, Rexburg's Asian population has declined by an estimated 19.1%. Asian residents' share of Rexburg's population has decreased from 2.2% to 1.7%.

Rexburg is more Asian than neighboring Sugar City (0.7% Asian), Teton (0% Asian), Parker (0% Asian), St. Anthony (0.4% Asian), and Ririe (0% Asian).

Rexburg's Hispanic Population

4,527 residents of Rexburg, or 11.2% of the population, identify as Hispanic. The share of Hispanic residents in Rexburg is slightly lower than in Idaho overall, where 13.6% of the population is Hispanic. Rexburg ranks 83rd statewide in terms of Hispanic residents as a share of the population, out of 236 places.

Since the 2020 Census, Rexburg's Hispanic population has grown by an estimated 6.8%. Hispanic residents' share of Rexburg's population has remained roughly unchanged at 11.2%.

Rexburg is more Hispanic than neighboring Sugar City (7.5% Hispanic), and Parker (4% Hispanic). Rexburg is less Hispanic than neighboring Teton (22.2% Hispanic), St. Anthony (22% Hispanic), and Ririe (22.7% Hispanic).

Rexburg's Native American/Other Population

619 residents of Rexburg, or 1.5% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Rexburg is comparable to the share in Idaho overall, where 1.5% of the population is Native American/Other. Rexburg ranks 107th statewide in terms of Native American/Other residents as a share of the population, out of 236 places.

Since the 2020 Census, Rexburg's Native American/Other population has grown by an estimated 32.0%. Native American/Other residents' share of Rexburg's population has remained roughly unchanged at 1.5%.

Rexburg is more Native American/Other than neighboring Teton (0% Native American/Other), Parker (0.2% Native American/Other), and Ririe (0.1% Native American/Other). Rexburg is less Native American/Other than neighboring Sugar City (1.6% Native American/Other), and St. Anthony (8.4% Native American/Other).

Rexburg's Multiracial Population

1,288 residents of Rexburg, or 3.2% of the population, identify as Multiracial. The share of Multiracial residents in Rexburg is comparable to the share in Idaho overall, where 4.2% of the population is Multiracial. Rexburg ranks 159th statewide in terms of Multiracial residents as a share of the population, out of 236 places.

Since the 2020 Census, Rexburg's Multiracial population has grown by an estimated 10.3%. Multiracial residents' share of Rexburg's population has remained roughly unchanged at 3.2%.

Rexburg is more Multiracial than neighboring Sugar City (0.4% Multiracial), Teton (1% Multiracial), Parker (1.6% Multiracial), and St. Anthony (2.3% Multiracial). Rexburg is less Multiracial than neighboring Ririe (6.5% 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.