Alton, TX
Full City Profile · Texas · Hidalgo County County
2.5
/5.0
C+
Fair
19,205
Population
2,527/sq mi density
$48,777
Median Income
$17,861 per capita
$126,600
Home Value
$190,190 Zillow
$981
Median Rent
27.6% income on rent
73°F
Avg Temperature
854
Violent Crime/100K
1,089 property/100K
C+
Overall
2.5 / 5.0
Fair overall score based on economy, affordability, safety and education
D
Economy
1.9 / 5.0
$48,777 median income, 8.6% unemployment
A+
Affordability
5.0 / 5.0
$126,600 home value, $981/mo rent
F
Safety
1.0 / 5.0
854 violent crimes/100K (125% above avg)
C
Education
2.0 / 5.0
12.9% bachelor's degree or higher
Alton has a warm climate with an average annual temperature of 73°F (23°C). Winters average 58°F in January while summers reach 85°F in July. Annual precipitation totals 20.2 inches. The area receives 0.2 inches of snow annually. Air quality is rated Moderate with a median AQI of 54.
Temperature
58°F Jan (14°C)
85°F Jul (30°C)
| Annual Average | 73.4°F |
| 36% above US avg | |
| January Average | 58°F (14°C) |
| July Average | 85°F (30°C) |
Geography
| Elevation | 159 ft (48 m) |
| Area | 5.9 sq mi (15.3 km²) |
| Population Density | 2,527/sq mi |
| Coordinates | 26.2878°N, 98.3090°W |
| Timezone | America/Chicago |
| County | Hidalgo County County |
| Nearest Airport | Mc Allen International (MFE) 9 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 54.0 |
| Rating | Moderate |
| Good Days % | 41.0% |
| Unhealthy Days | 24 |
Air Pollutants (EPA 2023)
| Ozone (O₃) | 0.0324 ppm |
| PM2.5 (Fine Particles) | 9.0 μg/m³ |
Natural Hazard Risk
| Overall Risk | Relatively High |
| Risk Score | 99.0 / 100 |
| Social Vulnerability | 92.7 / 100 |
| Community Resilience | 0.9 / 100 |
Hazard Breakdown
| Tornado | Relatively High |
| Hurricane | Very High |
| Earthquake | Relatively Low |
| Wildfire | Relatively Low |
| Flood | Relatively High |
| Hail | Very High |
| Strong Wind | Relatively High |
| Heat Wave | Relatively High |
| Winter Weather | Relatively High |
| Lightning | Relatively High |
| Ice Storm | Very High |
| Drought | Relatively High |
| Cold Wave | Very High |
| Landslide | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 58°F (14°C) | 0.8 in | Coldest, Driest |
| February | 63°F (17°C) | 0.9 in | |
| March | 68°F (20°C) | 1.4 in | |
| April | 74°F (23°C) | 1.7 in | |
| May | 80°F (27°C) | 1.9 in | |
| June | 84°F (29°C) | 2.0 in | |
| July | 85°F (30°C) | 2.2 in | |
| August | 86°F (30°C) | 1.2 in | Warmest |
| September | 82°F (28°C) | 3.5 in | Wettest |
| October | 75°F (24°C) | 2.2 in | |
| November | 67°F (19°C) | 1.1 in | |
| December | 59°F (15°C) | 1.4 in |
Alton has a seasonal temperature swing of 28°F / from 58°F in January to 86°F in August. Total annual precipitation is 20.2 inches, with September being the wettest month (3.5") and January the driest (0.8").