Grenville, New Mexico Demographics & Population 2026
During the 2020–2024 ACS period, Grenville, New Mexico had a total population of 56, the 449th largest village in New Mexico, with a median household income of $115,625, which is 80% higher than the state average. The poverty rate is 7.1%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Key Takeaways
- Household income is 80% above the state average — one of the wealthiest communities in New Mexico.
- Housing is very affordable with a home-value-to-income ratio of just 0.9x.
Grenville Quick Facts
How Grenville Changed
Change from the 2019–2023 ACS period to 2020–2024. These are rolling five-year estimates, not year-over-year measurements.
| Metric | 2019–2023 | 2020–2024 | Change |
|---|---|---|---|
| Population | 40 | 56 | +40.0% |
| Median household income | $114,167 | $115,625 | +1.3% |
| Median home value | $107,500 | $100,000 | -7.0% |
How Grenville Compares
Median Household Income
Median Home Value
Economy & Housing
Household Income Distribution
Detailed income brackets
Employment
Housing Overview
People & Demographics
Age Distribution
Race & Ethnicity
Diversity Index
A less diverse community where one racial or ethnic group represents a large majority.
State average: 63 | National average: 61
Education
Educational Attainment (Adults 25+)
Grenville Rankings in New Mexico
Explore New Mexico Rankings
Other Cities in Union County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| Clayton | 2,753 | $34,500 | 20.5% | $110,500 |
| Des Moines | 174 | $63,864 | 25.9% | $152,500 |
| Capulin | 79 | $34,464 | 6.3% | $48,200 |
| Folsom | 11 | N/A | 0.0% | N/A |
Cities Similar to Grenville
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| El Morro Valley | 53 | N/A | N/A | 100.0% | 0.0% |
| Luis Lopez | 53 | N/A | N/A | 34.0% | 0.0% |
| Soham | 60 | N/A | N/A | 0.0% | 0.0% |
| Cañones | 57 | $103,625 | $658,300 | 17.5% | 0.0% |
| Alma | 52 | N/A | N/A | 36.5% | 0.0% |
A note before these figures: with a population of 56, Grenville's ACS estimates come from a small number of survey responses and carry wide margins of error. Individual percentages below — particularly rates that round to 0% or 100% — are approximations, not precise measurements. See data.census.gov for the published margins of error.
Population Overview
Grenville is a small community located in New Mexico, within Union County. The total population is 56. It ranks as the 449th most populous out of 495 Census-designated places in New Mexico.
Age Demographics
The median age in Grenville is 58.2 years. This is 48% higher than the state median of 39.4 years.
Economy, Income & Housing
The median household income in Grenville is $115,625. This is 80% higher than the state median of $64,059. It is also 43% higher than the national median of $80,734. The poverty rate stands at 7.1%. This is 60% lower than the state poverty rate of 17.8%. The unemployment rate is 4.3%. This is 27% lower than the state rate of 6.0%. The median home value is $100,000. Housing costs are 60% lower than the state median of $248,100. With a home-value-to-income ratio of just 0.9x, Grenville is one of the most affordable housing markets in the area. 73.7% of occupied housing units are owner-occupied. This homeownership rate is 5% higher than the state average of 70.0%.
Race & Ethnicity
Every resident counted in Grenville was recorded as White (non-Hispanic). A figure of exactly 100.0% reflects a survey sample too small to capture the community's full composition rather than a precise measurement.
Education
26.1% of residents aged 25 and older hold a bachelor's degree or higher. This is 16% lower than the state rate of 31.0%. Nationally, 35.7% of adults hold at least a bachelor's degree. No surveyed resident aged 25 or older reported leaving school before earning a high school diploma, though a rate of exactly 100% reflects the limits of a small sample.
Data Sources & Methodology
All demographic data for Grenville, New Mexico is sourced from the U.S. Census Bureau's American Community Survey (ACS) 2020–2024 5-Year Estimates. The ACS collects data from approximately 3.5 million households annually and pools five years of responses so that even small communities can be measured, though the margin of error widens as the population falls. Comparisons are made against New Mexico state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 495 Census-designated places in New Mexico. Read more about how these figures are produced on our methodology page, or visit data.census.gov for official data.
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Frequently Asked Questions
What is the population of Grenville, New Mexico?
Grenville, New Mexico has a population of 56 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Grenville, NM?
The median household income in Grenville is $115,625, which is 43% higher than the national median of $80,734.
What is the poverty rate in Grenville, NM?
The poverty rate in Grenville is 7.1%. This means approximately 4 residents live below the federal poverty line.
What is the racial makeup of Grenville, New Mexico?
Grenville's population is 100.0% White, 0.0% Black, 0.0% Hispanic/Latino, and 0.0% Asian.
What is the median home value in Grenville, NM?
The median home value in Grenville is $100,000. The home-value-to-income ratio is 0.9x.
How educated is Grenville, New Mexico?
26.1% of adults (25+) in Grenville hold a bachelor's degree or higher, and 8.7% hold a graduate or professional degree.