South Alamo, Texas Demographics & Population 2026
During the 2020–2024 ACS period, South Alamo, Texas had a total population of 3,309, the 538th largest community in Texas, with a median household income of $33,875, which is 57% lower than the state average. The poverty rate is 33.3%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Key Takeaways
- Household income is 57% below the state average, indicating significant economic challenges.
- More than 1 in 4 residents live below the poverty line (33.3%), well above the national average of 12.4%.
- Only 1.1% of adults have a bachelor's degree, well below the national average of 35.7%.
- Housing is very affordable with a home-value-to-income ratio of just 2.1x.
- Unemployment rate of 11.8% is notably above the national average.
South Alamo Quick Facts
How South Alamo 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 | 3,114 | 3,309 | +6.3% |
| Median household income | $33,516 | $33,875 | +1.1% |
| Median home value | $69,700 | $69,600 | -0.1% |
How South Alamo 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: 67 | National average: 61
Education
Educational Attainment (Adults 25+)
South Alamo Rankings in Texas
Explore Texas Rankings
Other Cities in Hidalgo County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| McAllen | 145,385 | $61,579 | 20.0% | $190,400 |
| Edinburg | 104,550 | $59,466 | 26.0% | $189,600 |
| Mission | 87,038 | $60,767 | 19.4% | $175,700 |
| Pharr | 80,333 | $52,814 | 27.6% | $121,900 |
| Weslaco | 42,229 | $59,551 | 23.2% | $140,000 |
| San Juan | 36,149 | $56,562 | 22.4% | $126,700 |
| Alamo | 20,255 | $57,096 | 25.3% | $145,100 |
| Alton | 20,214 | $52,715 | 27.5% | $156,300 |
| Donna | 16,833 | $40,438 | 40.7% | $86,100 |
| Mercedes | 16,733 | $46,904 | 28.6% | $111,800 |
Cities Similar to South Alamo
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Santa Rosa | 3,215 | $36,780 | $67,400 | 12.1% | 39.4% |
| Oak Trail Shores | 3,040 | $34,344 | $121,400 | 13.3% | 16.8% |
| Olney | 3,015 | $36,250 | $95,100 | 13.8% | 26.4% |
| Indian Hills | 2,961 | $32,816 | $54,400 | 6.0% | 66.8% |
| La Villa | 3,005 | $31,359 | $101,000 | 4.7% | 25.7% |
Population Overview
South Alamo is a small community located in Texas, within Hidalgo County. The total population is 3,309. It ranks as the 538th most populous out of 1,795 Census-designated places in Texas.
Age Demographics
The median age in South Alamo is 34.2 years. This is 4% lower than the state median of 35.6 years.
Economy, Income & Housing
The median household income in South Alamo is $33,875. This is 57% lower than the state median of $78,476. It is also 58% lower than the national median of $80,734. The poverty rate stands at 33.3%. This is 141% higher than the state poverty rate of 13.8%. With more than one in five residents living below the poverty line, economic hardship is a significant challenge for the community. The unemployment rate is 11.8%. This is 123% higher than the state rate of 5.3%. The median home value is $69,600. Housing costs are 75% lower than the state median of $283,800. With a home-value-to-income ratio of just 2.1x, South Alamo is one of the most affordable housing markets in the area. 81.2% of occupied housing units are owner-occupied. This homeownership rate is 30% higher than the state average of 62.6%.
Race & Ethnicity
South Alamo has a predominantly Hispanic or Latino population, comprising 95.6% of all residents. White (non-Hispanic) residents account for 4.4%. The White (non-Hispanic) population (4.4%) is well below the state average of 39.1%. The Hispanic or Latino population is significantly higher than the state average (95.6% vs 39.7%).
Education
1.1% 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. This is 97% lower than the state rate of 33.8%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 41.8%.
Data Sources & Methodology
All demographic data for South Alamo, Texas 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 Texas state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 1,795 Census-designated places in Texas. 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 South Alamo, Texas?
South Alamo, Texas has a population of 3,309 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in South Alamo, TX?
The median household income in South Alamo is $33,875, which is 58% lower than the national median of $80,734.
What is the poverty rate in South Alamo, TX?
The poverty rate in South Alamo is 33.3%. This means approximately 1,101 residents live below the federal poverty line.
What is the racial makeup of South Alamo, Texas?
South Alamo's population is 4.4% White, 0.0% Black, 95.6% Hispanic/Latino, and 0.0% Asian.
What is the median home value in South Alamo, TX?
The median home value in South Alamo is $69,600. The home-value-to-income ratio is 2.1x.
How educated is South Alamo, Texas?
1.1% of adults (25+) in South Alamo hold a bachelor's degree or higher, and 0.5% hold a graduate or professional degree.