Grant County Demographics

A map of Grant County's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
Hispanic	13,288	13,466	47.8%	47.8%
White	13,182	13,117	47.5%	46.5%
Multiracial	649	711	2.3%	2.5%
Asian	239	191	0.9%	0.7%
Black	221	249	0.8%	0.9%
Native American/Other	196	451	0.7%	1.6%

Grant County, New Mexico has an estimated population of 27,775, a slight decrease from the 28,185 recorded in the 2020 Census. The population is 47.8% Hispanic, 47.5% White, 2.3% Multiracial, 0.9% Asian, 0.8% Black, and 0.7% Native American/Other. This demographic dot map shows the population of Grant County, with one dot drawn for each person counted by the Census, color-coded by race.

Grant has become slightly less racially diverse since the 2020 Census. It is considerably less 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 Grant County, that probability was 55.4% in 2020 and 54.5% in the most recent ACS estimates.

Grant County is ranked the 15th most populous county in New Mexico, out of 33 counties. Grant County was ranked the 15th most populous county in the 2020 Census.

Grant County's White Population

13,182 residents of Grant County, or 47.5% of the population, identify as White. The share of White residents in Grant County is considerably higher than in New Mexico overall, where 36% of the population is White. Grant County ranks 12th statewide in terms of White residents as a share of the population, out of 33 counties.

Since the 2020 Census, Grant County's White population has remained roughly the same. White residents' share of Grant County's population has increased from 46.5% to 47.5%.

Grant County is more White than neighboring Luna County (28.3% White), Hidalgo County (38.1% White), and Greenlee County (45.1% White). Grant County is less White than neighboring Catron County (74.4% White), and Sierra County (63.1% White).

Grant County's Black Population

221 residents of Grant County, or 0.8% of the population, identify as Black. The share of Black residents in Grant County is comparable to the share in New Mexico overall, where 1.8% of the population is Black. Grant County ranks 18th statewide in terms of Black residents as a share of the population, out of 33 counties.

Since the 2020 Census, Grant County's Black population has declined by an estimated 11.2%. Black residents' share of Grant County's population has remained roughly unchanged at 0.8%.

Grant County is more Black than neighboring Hidalgo County (0% Black), and Sierra County (0.1% Black). Grant County is less Black than neighboring Luna County (1.1% Black), Greenlee County (1.4% Black), and Catron County (1.8% Black).

Grant County's Asian Population

239 residents of Grant County, or 0.9% of the population, identify as Asian. The share of Asian residents in Grant County is comparable to the share in New Mexico overall, where 1.6% of the population is Asian. Grant County ranks 19th statewide in terms of Asian residents as a share of the population, out of 33 counties.

Since the 2020 Census, Grant County's Asian population has grown by an estimated 25.1%. Asian residents' share of Grant County's population has remained roughly unchanged at 0.9%.

Grant County is more Asian than neighboring Catron County (0.3% Asian), and Sierra County (0.2% Asian). Grant County is less Asian than neighboring Luna County (1.1% Asian), Hidalgo County (1% Asian), and Greenlee County (1.4% Asian).

Grant County's Hispanic Population

13,288 residents of Grant County, or 47.8% of the population, identify as Hispanic. The share of Hispanic residents in Grant County is comparable to the share in New Mexico overall, where 48.4% of the population is Hispanic. Grant County ranks 16th statewide in terms of Hispanic residents as a share of the population, out of 33 counties.

Since the 2020 Census, Grant County's Hispanic population has declined by an estimated 1.3%. Hispanic residents' share of Grant County's population has remained roughly unchanged at 47.8%.

Grant County is more Hispanic than neighboring Greenlee County (46.7% Hispanic), Catron County (15.7% Hispanic), and Sierra County (29.8% Hispanic). Grant County is less Hispanic than neighboring Luna County (67.1% Hispanic), and Hidalgo County (57% Hispanic).

Grant County's Native American/Other Population

196 residents of Grant County, or 0.7% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Grant County is lower than in New Mexico overall, where 9% of the population is Native American/Other. Grant County ranks 16th statewide in terms of Native American/Other residents as a share of the population, out of 33 counties.

Since the 2020 Census, Grant County's Native American/Other population has declined by an estimated 56.5%. Native American/Other residents' share of Grant County's population has decreased from 1.6% to 0.7%.

Grant County is more Native American/Other than neighboring Hidalgo County (0.6% Native American/Other), and Sierra County (0.2% Native American/Other). Grant County is less Native American/Other than neighboring Luna County (1% Native American/Other), Greenlee County (1.8% Native American/Other), and Catron County (3.8% Native American/Other).

Grant County's Multiracial Population

649 residents of Grant County, or 2.3% of the population, identify as Multiracial. The share of Multiracial residents in Grant County is comparable to the share in New Mexico overall, where 3.1% of the population is Multiracial. Grant County ranks 18th statewide in terms of Multiracial residents as a share of the population, out of 33 counties.

Since the 2020 Census, Grant County's Multiracial population has declined by an estimated 8.7%. Multiracial residents' share of Grant County's population has remained roughly unchanged at 2.3%.

Grant County is more Multiracial than neighboring Luna County (1.3% Multiracial). Grant County is less Multiracial than neighboring Hidalgo County (3.4% Multiracial), Greenlee County (3.5% Multiracial), Catron County (4% Multiracial), and Sierra County (6.6% 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.