San Antonio, New Mexico Demographics & Population 2026
During the 2020–2024 ACS period, San Antonio, New Mexico had a total population of 89, the 422nd largest community in New Mexico. The poverty rate is 0.0%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Key Takeaways
- Only 0.0% of adults have a bachelor's degree, well below the national average of 35.7%.
San Antonio Quick Facts
How San Antonio 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 | 65 | 89 | +36.9% |
How San Antonio Compares
Median Household Income
Median Home Value
Economy & Housing
Household Income Distribution
Detailed income brackets
Housing Overview
People & Demographics
Age Distribution
Race & Ethnicity
Diversity Index
Moderate diversity with one or two groups making up the majority.
State average: 63 | National average: 61
Education
Educational Attainment (Adults 25+)
San Antonio Rankings in New Mexico
Explore New Mexico Rankings
Other Cities in Socorro County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| Socorro | 8,481 | $39,375 | 32.6% | $152,900 |
| Polvadera | 1,033 | $27,158 | 88.7% | $123,700 |
| Magdalena | 976 | N/A | 38.8% | $99,500 |
| Lemitar | 316 | $93,902 | 10.8% | N/A |
| Alamillo | 247 | N/A | 70.9% | N/A |
| Alamo | 246 | N/A | 1.2% | N/A |
| San Acacia | 176 | N/A | 76.1% | N/A |
| La Joya | 159 | N/A | 40.3% | N/A |
| Veguita | 157 | $11,354 | 100.0% | N/A |
| San Antonito (Socorro County) | 142 | N/A | 0.0% | N/A |
Cities Similar to San Antonio
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| House | 91 | $2,499 | $217,900 | 8.3% | 84.6% |
| San Jose (San Miguel County) | 87 | N/A | N/A | 28.7% | 0.0% |
| Lake Sumner | 86 | N/A | N/A | 7.0% | 30.2% |
| Pueblo | 86 | N/A | $256,300 | 16.7% | 0.0% |
| Tse Bonito | 93 | N/A | $17,800 | 28.4% | 16.1% |
A note before these figures: with a population of 89, San Antonio'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
San Antonio is a small community located in New Mexico, within Socorro County. The total population is 89. It ranks as the 422nd most populous out of 495 Census-designated places in New Mexico.
Age Demographics
Economy, Income & Housing
The ACS records no residents below the poverty line in San Antonio. In a community this small the estimate rests on very few survey responses, so it should be read as an absence of measurement rather than a measured absence of poverty. 100.0% of occupied housing units are owner-occupied. This homeownership rate is 43% higher than the state average of 70.0%.
Race & Ethnicity
The largest racial or ethnic group in San Antonio is Hispanic or Latino, making up 53.9% of the population. White (non-Hispanic) residents account for 46.1%.
Education
0.0% of residents aged 25 and older hold a bachelor's degree or higher. This is among the lowest rates in the state, which may correlate with employment and income patterns. 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 San Antonio, 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.
Free data download: Get all New Mexico city and county demographics as CSV. Download Cities CSV | Download Counties CSV
Frequently Asked Questions
What is the population of San Antonio, New Mexico?
San Antonio, New Mexico has a population of 89 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in San Antonio, NM?
The Census Bureau does not publish a reliable median household income estimate for San Antonio — the community is too small for the ACS sample. The national median is $80,734.
What is the poverty rate in San Antonio, NM?
The ACS sample for San Antonio recorded no residents below the federal poverty line. Because the community is small, this indicates that the survey did not capture poverty here rather than that no poverty exists — the estimate carries a wide margin of error.
What is the racial makeup of San Antonio, New Mexico?
San Antonio's population is 46.1% White, 0.0% Black, 53.9% Hispanic/Latino, and 0.0% Asian.
What is the median home value in San Antonio, NM?
The Census Bureau does not publish a reliable median home value estimate for San Antonio — there are too few owner-occupied homes in the ACS sample. The national median is $332,700.
How educated is San Antonio, New Mexico?
0.0% of adults (25+) in San Antonio hold a bachelor's degree or higher, and 0.0% hold a graduate or professional degree.