San Luis, AZ Demographics
A map of San Luis's Population by Race
San Luis, Arizona has an estimated population of 37,337, an increase from the 35,257 recorded in the 2020 Census. The population is 92.4% Hispanic, 4.7% White, 1.9% Black, 0.6% Native American/Other, 0.4% Multiracial, and 0.1% Asian. This demographic dot map shows the population of San Luis, with one dot drawn for each person counted by the Census, color-coded by race.
San Luis has become less racially diverse since the 2020 Census. It is considerably less diverse than Arizona overall. Demographers use a diversity index to measure the probability that two randomly selected individuals belong to different racial or ethnic groups. In San Luis, that probability was 18.5% in 2020 and 14.4% in the most recent ACS estimates.
San Luis is ranked the 31st most populous place in Arizona, out of 467 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). San Luis was ranked the 32nd most populous place in the 2020 Census.
San Luis's White Population
1,746 residents of San Luis, or 4.7% of the population, identify as White. The share of White residents in San Luis is significantly lower than in Arizona overall, where 52.6% of the population is White. San Luis ranks 334th statewide in terms of White residents as a share of the population, out of 467 places.
Since the 2020 Census, San Luis's White population has declined by an estimated 9.3%. White residents' share of San Luis's population has decreased from 5.5% to 4.7%.
San Luis is more White than neighboring Gadsden (0% White), Somerton (3.2% White), Rancho Mesa Verde (0% White), Orange Grove Mobile Manor (0% White), and Drysdale (0% White).
San Luis's Black Population
718 residents of San Luis, or 1.9% of the population, identify as Black. The share of Black residents in San Luis is slightly lower than in Arizona overall, where 4.4% of the population is Black. San Luis ranks 46th statewide in terms of Black residents as a share of the population, out of 467 places.
Since the 2020 Census, San Luis's Black population has declined by an estimated 18.4%. Black residents' share of San Luis's population has decreased from 2.5% to 1.9%.
San Luis is more Black than neighboring Gadsden (0% Black), Somerton (0.3% Black), Rancho Mesa Verde (0% Black), Orange Grove Mobile Manor (0% Black), and Drysdale (0% Black).
San Luis's Asian Population
23 residents of San Luis, or 0.1% of the population, identify as Asian. The share of Asian residents in San Luis is slightly lower than in Arizona overall, where 3.5% of the population is Asian. San Luis ranks 293rd statewide in terms of Asian residents as a share of the population, out of 467 places.
Since the 2020 Census, San Luis's Asian population has grown by an estimated 9.5%. Asian residents' share of San Luis's population has remained roughly unchanged at 0.1%.
San Luis is more Asian than neighboring Gadsden (0% Asian), Somerton (0% Asian), Rancho Mesa Verde (0% Asian), Orange Grove Mobile Manor (0% Asian), and Drysdale (0% Asian).
San Luis's Hispanic Population
34,484 residents of San Luis, or 92.4% of the population, identify as Hispanic. The share of Hispanic residents in San Luis is significantly higher than in Arizona overall, where 31.4% of the population is Hispanic. San Luis ranks 12th statewide in terms of Hispanic residents as a share of the population, out of 467 places.
Since the 2020 Census, San Luis's Hispanic population has grown by an estimated 8.6%. Hispanic residents' share of San Luis's population has increased from 90.1% to 92.4%.
San Luis is less Hispanic than neighboring Gadsden (100% Hispanic), Somerton (95.8% Hispanic), Rancho Mesa Verde (100% Hispanic), Orange Grove Mobile Manor (100% Hispanic), and Drysdale (100% Hispanic).
San Luis's Native American/Other Population
226 residents of San Luis, 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 San Luis is slightly lower than in Arizona overall, where 3.8% of the population is Native American/Other. San Luis ranks 385th statewide in terms of Native American/Other residents as a share of the population, out of 467 places.
Since the 2020 Census, San Luis's Native American/Other population has declined by an estimated 16.6%. Native American/Other residents' share of San Luis's population has remained roughly unchanged at 0.6%.
San Luis is more Native American/Other than neighboring Gadsden (0% Native American/Other), Somerton (0.4% Native American/Other), Rancho Mesa Verde (0% Native American/Other), Orange Grove Mobile Manor (0% Native American/Other), and Drysdale (0% Native American/Other).
San Luis's Multiracial Population
140 residents of San Luis, or 0.4% of the population, identify as Multiracial. The share of Multiracial residents in San Luis is slightly lower than in Arizona overall, where 4.4% of the population is Multiracial. San Luis ranks 363rd statewide in terms of Multiracial residents as a share of the population, out of 467 places.
Since the 2020 Census, San Luis's Multiracial population has declined by an estimated 65.9%. Multiracial residents' share of San Luis's population has decreased from 1.2% to 0.4%.
San Luis is more Multiracial than neighboring Gadsden (0% Multiracial), Somerton (0.3% Multiracial), Rancho Mesa Verde (0% Multiracial), Orange Grove Mobile Manor (0% Multiracial), and Drysdale (0% 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.