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
Age is the most distinctive thing about Grant County: a median age of 49.0, older than the national median. Grant County is a county in New Mexico with a population of 27,856. It ranks #15 among counties in New Mexico by population.
Earnings trail the nation, with the median household making $45,921, below the US median of $78,538. The poverty rate is 10.5%, below the national 12.4%. Median home value is $164,400, with typical rent around $810.
Educational attainment is on the higher side for US counties — 28.8% of adults hold a four-year degree, below the national 35.0%. A solid 13.0% of workers are based at home, below the national 14.0%, and the average commute runs about 19 minutes each way.
The age structure shapes everything downstream in Grant County — from housing demand to the mix of working-age earners reflected in the income figures above.
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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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.