Grant County, New Mexico Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates · 15th-largest in New Mexico
The population of Grant County, New Mexico is 27,856 as of the 2023 American Community Survey, making it the 15th-largest county in New Mexico. The median household income is $45,921, the median home value is $164,400, and the median age is 49.0.
The population of Grant County has declined 6.3% since 2010 (29,386 → 27,541), a -0.46% annualized rate.
27,856
Population
-0.46%
Annual growth
7
People / sq mi
$45,921
Median Income
$164,400
Median Home Value
Grant County covers 3,961 sq mi of land at 7.0 people per square mile.
About Grant County, NM
Grant County is a county in New Mexico with a population of 27,856. It ranks #15 among counties in New Mexico by population. The median age is 49.0, older than the national median. The population is 50.5% male and 49.5% female.
The median household income in Grant County is $45,921, below the US median of $74,580. 10.5% of residents live below the federal poverty level. Home values sit at a median of $164,400, with monthly rent averaging $810. The homeownership rate of 73.2% is higher than the national rate of 64.8%.
Educational attainment in Grant County reflects 28.8% of adults 25 and older holding a bachelor's degree or higher, below the national average of 34.3%. Roughly 13.0% of workers primarily work from home, similar to the national work-from-home rate of 14.2%. The average commute is 18.6 minutes each way.
Grant County Population History (2010-2024)
The county of Grant County had a population of 29,386 in 2010 and 27,541 in 2024, a -6.3% growth over 14 years. The peak was 29,386 in 2010. Average annual growth rate: -0.45%.
27,541
Population (2024)
29,386
Population (2010)
29,386
Peak (2010)
-0.45%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 29,386 |
| 2011 | 29,350 |
| 2012 | 29,260 |
| 2013 | 29,109 |
| 2014 | 28,876 |
| 2015 | 28,369 |
| 2016 | 28,061 |
| 2017 | 27,671 |
| 2018 | 27,274 |
| 2019 | 26,941 |
| 2020 | 28,214 |
| 2021 | 27,907 |
| 2022 | 27,699 |
| 2023 | 27,512 |
| 2024 | 27,541 |
Race & Ethnicity
| White | 67.1% |
| Black or African American | 0.7% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 3.6% |
| Two or More Races | 0.0% |
Age & Sex
49.0
Median Age
49.5%
Female
50.5%
Male
29.5%
Age 65+
Age Distribution
Children (under 15): 14.7% · Seniors (65+): 29.5%
Income & Poverty
| Median household income | $45,921$-16,204 vs state |
| Mean household income | $68,708 |
| Per-capita income | $30,395 |
| Poverty rate | 10.5%-3.2% vs state |
| Unemployment rate | 3.8% |
| Employment-to-population | 40.9% |
Top Industries by Employment
The largest employment sector in Grant County is professional & business services, accounting for 32.5% of workers.
How residents commute
0.1%
Drive alone
2.0%
Carpool
73.9%
Public transit
13.0%
Work from home
18.6 min
Avg commute
Housing
$164,400$-67,800 vs state
Median home value
$810
Median rent
73.2%
Homeownership rate
14,664
Total housing units
75.5%
Occupied
24.5%
Vacant
26.8%
Renter-occupied
Social & access
94.9%
With health insurance
92.3%
With broadband internet
44.2%
Foreign-born
11.1%
Veterans (18+)
22.8%
With a disability
77.2%
Speak language other than English at home
Education
89.7%
High School+
28.8%
Bachelor's+
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County rankings
Frequently Asked Questions
Grant County, New Mexico has a population of 27,856 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 15th-largest county in New Mexico. Population density is 7 people per square mile.
The population of Grant County has declined 6.3% since 2010 (29,386 → 27,541), a -0.46% annualized rate.
The median household income in Grant County, New Mexico is $45,921, with mean (average) household income of $68,708 and per-capita income of $30,395. 10.5% of residents live below the federal poverty level.
In Grant County, the largest racial and ethnic groups are White (67.1%), Hispanic or Latino (3.6%), Black or African American (0.7%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.
The median age in Grant County, New Mexico is 49.0 years. Residents are 49.5% female and 50.5% male.
The median home value in Grant County is $164,400 and median monthly rent is $810. 73.2% of occupied housing units are owner-occupied. The county has 14,664 total housing units, 24.5% of which are vacant.
The largest employment sector in Grant County, New Mexico is professional, scientific, and management services, employing 32.5% of workers. The unemployment rate is 3.8%.
Albuquerque is among the largest cities associated with Grant County, New Mexico, with a population of 562,488.
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Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.