San Mateo, NM Demographics

A map of San Mateo's Population by Race

San Mateo, New Mexico has an estimated population of 602, a dramatic increase from the 139 recorded in the 2020 Census. The population is 38.5% Hispanic, 37.9% White, 12.8% Multiracial, 10.8% Native American/Other, 0.0% Black, and 0.0% Asian. This demographic dot map shows the population of San Mateo, with one dot drawn for each person counted by the Census, color-coded by race.

San Mateo has become considerably more racially diverse since the 2020 Census. It is considerably more diverse than New Mexico overall. Demographers use a diversity index to measure the probability that two randomly selected individuals belong to different racial or ethnic groups. In San Mateo, that probability was 23.6% in 2020 and 68.0% in the most recent ACS estimates.

San Mateo is ranked the 215th most populous place in New Mexico, out of 528 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 Mateo was ranked the 401st most populous place in the 2020 Census.

San Mateo's White Population

228 residents of San Mateo, or 37.9% of the population, identify as White. The share of White residents in San Mateo is comparable to the share in New Mexico overall, where 36% of the population is White. San Mateo ranks 387th statewide in terms of White residents as a share of the population, out of 528 places.

Since the 2020 Census, San Mateo's White population has grown by an estimated 1100.0%. White residents' share of San Mateo's population has increased from 13.7% to 37.9%.

San Mateo is more White than neighboring Lobo Canyon (27.2% White), Grants (24.2% White), and Mount Taylor (34.6% White). San Mateo is less White than neighboring San Fidel (65.8% White), and Broadview (100% White).

San Mateo's Black Population

0 residents of San Mateo, or 0.0% of the population, identify as Black. The share of Black residents in San Mateo is comparable to the share in New Mexico overall, where 1.8% of the population is Black. San Mateo ranks 304th statewide in terms of Black residents as a share of the population, out of 528 places.

Since the 2020 Census, San Mateo's Black population has grown from 0 to an estimated 0. Black residents' share of San Mateo's population has remained roughly unchanged at 0.0%.

San Mateo is less Black than neighboring Lobo Canyon (65% Black), and Grants (1% Black).

San Mateo's Asian Population

0 residents of San Mateo, or 0.0% of the population, identify as Asian. The share of Asian residents in San Mateo is comparable to the share in New Mexico overall, where 1.6% of the population is Asian. San Mateo ranks 291st statewide in terms of Asian residents as a share of the population, out of 528 places.

Since the 2020 Census, San Mateo's Asian population has grown from 0 to an estimated 0. Asian residents' share of San Mateo's population has remained roughly unchanged at 0.0%.

San Mateo's Hispanic Population

232 residents of San Mateo, or 38.5% of the population, identify as Hispanic. The share of Hispanic residents in San Mateo is lower than in New Mexico overall, where 48.4% of the population is Hispanic. San Mateo ranks 40th statewide in terms of Hispanic residents as a share of the population, out of 528 places.

Since the 2020 Census, San Mateo's Hispanic population has grown by an estimated 93.3%. Hispanic residents' share of San Mateo's population has decreased from 86.3% to 38.5%.

San Mateo is more Hispanic than neighboring Lobo Canyon (7.7% Hispanic), San Fidel (34.2% Hispanic), and Broadview (0% Hispanic). San Mateo is less Hispanic than neighboring Grants (60.7% Hispanic), and Mount Taylor (65.4% Hispanic).

San Mateo's Native American/Other Population

65 residents of San Mateo, or 10.8% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in San Mateo is comparable to the share in New Mexico overall, where 9% of the population is Native American/Other. San Mateo ranks 446th statewide in terms of Native American/Other residents as a share of the population, out of 528 places.

Since the 2020 Census, San Mateo's Native American/Other population has grown from 0 to an estimated 65. Native American/Other residents' share of San Mateo's population has increased from 0.0% to 10.8%.

San Mateo is more Native American/Other than neighboring Lobo Canyon (0% Native American/Other), San Fidel (0% Native American/Other), Broadview (0% Native American/Other), Grants (9.5% Native American/Other), and Mount Taylor (0% Native American/Other).

San Mateo's Multiracial Population

77 residents of San Mateo, or 12.8% of the population, identify as Multiracial. The share of Multiracial residents in San Mateo is higher than in New Mexico overall, where 3.1% of the population is Multiracial. San Mateo ranks 479th statewide in terms of Multiracial residents as a share of the population, out of 528 places.

Since the 2020 Census, San Mateo's Multiracial population has grown from 0 to an estimated 77. Multiracial residents' share of San Mateo's population has increased from 0.0% to 12.8%.

San Mateo is more Multiracial than neighboring Lobo Canyon (0% Multiracial), San Fidel (0% Multiracial), Broadview (0% Multiracial), Grants (4.6% Multiracial), and Mount Taylor (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.