Zip Code 78516
Alamo, Texas — Hidalgo County
📍 ZIP code 78516 is in Alamo, Hidalgo County, Texas.
ZIP code 78516 is located in Alamo, Hidalgo County, Texas. It is a zip code in the Central (CST/CDT) Time Zone with an estimated population of 34,960. The area code for ZIP code 78516 is 979.
Quick Answer
Zip code 78516 is in Alamo, Texas (Hidalgo County). It has a population of 34,960, median household income of $51,547, and median home value of $102,900.
Population
34,960
Income
$51,547
Home Value
$102,900
Climate
99°F / 53°F
About Zip Code 78516
Zip code 78516 is located in Alamo, Texas, within Hidalgo County. Home to approximately 34,960 residents, this area sits at an elevation of 85 ft and falls within the Central (CST/CDT) timezone. The local area code is 979.
The median household income is $51,547 per year, which is below the national median of $70,784. Homes in this zip code have a median value of $102,900, and the cost of living index is 60 (40% below the national average of 100).
Summers average a high of 99°F while winters drop to 53°F. The area receives about 22 in of rain annually. The zip code covers 38 square miles of land area and 0.2 square miles of water.
Key Statistics
34,960
$51,547
$102,900
Central (CST/CDT)
979
85 ft
38 sq mi
30.3
12,469
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Compare With Nearby Zip Codes
| Metric | 78516 | 78589 | 78537 | 78577 | 78557 | 78503 |
|---|---|---|---|---|---|---|
| City | Alamo, TX | San Juan, TX | Donna, TX | Mcallen, TX | Hidalgo, TX | Mcallen, TX |
| Population | 34,960 | 39,958 | 51,346 | 79,903 | 14,250 | 22,566 |
| Median Income | $51,547 | $51,662 | $36,331 | $49,768 | $53,667 | $48,765 |
| Home Value | $102,900 | $112,400 | $74,700 | $111,500 | $156,400 | $130,100 |
| Cost of Living | 60 | 60 | 60 | 60 | 60 | 60 |
| Median Age | 30.3 | 29.9 | 25.8 | 29.5 | 31.5 | 32.1 |
Cost of Living
100 = National Average. Alamo's cost of living is 40% below the national average.
vs. State Avg
Below
Affordability
Very Affordable
Income-to-Home
2.0x
Demographics
Zip code 78516 has a population of 34,960 people with a median age of 30.3. There are 12,469 housing units in this area.
Racial & Ethnic Composition
Source: U.S. Census Bureau American Community Survey estimates.
Population History
Alamo (78516) population trend from 2010 to 2024
↓ -36.2%Source: U.S. Census Bureau estimates and American Community Survey data.
Climate & Weather
99°F
53°F
22 in
0 in
Alamo experiences hot summers with average highs around 99°F. Winters are mild with lows averaging 53°F. The area receives virtually no snowfall.
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Housing & Economy
Median Home Value
$102,900
Median Household Income
$51,547
With 12,469 housing units across 38 square miles, 78516 has a housing density of 328 units per square mile. The home price-to-income ratio is 2.0x.
Location & Geography
Latitude
26.1445°
Longitude
-98.1213°
Land Area
38 sq mi
Water Area
0.2 sq mi
Nearby Zip Codes
Zip codes closest to 78516 (Alamo, TX) with distances:
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ZIP Codes with Similar Income Nationwide
The five U.S. ZIP codes whose median household income is closest to 78516's $51,547. A way to compare Alamo to economically similar communities elsewhere in the country.
Computed from U.S. Census Bureau ACS 5-Year Estimates by the Zip Code Near Me Data Team.
ZIP Codes with Similar Demographics
The five U.S. ZIP codes whose racial and ethnic composition most closely matches 78516 (Alamo, TX). Similarity is measured by cosine distance on the five-category ACS demographic vector.
Computed from U.S. Census Bureau ACS 5-Year Estimates by the Zip Code Near Me Data Team.
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People Also Ask
What zip code is Alamo, Texas?
Alamo, Texas uses zip code 78516.
What county is zip code 78516 in?
Zip code 78516 is located in Hidalgo County, Texas.
What is the population of zip code 78516?
The population of zip code 78516 is 34,960 with a median age of 30.3.
Is 78516 in Alamo, Texas?
Yes, zip code 78516 is in Alamo, Hidalgo County, Texas. The area code is 979.
Frequently Asked Questions
What city is zip code 78516 in?
Zip code 78516 is in Alamo, Texas. It is part of Hidalgo County and uses the Central (CST/CDT) timezone.
What is zip code 78516?
Zip code 78516 is a U.S. postal code in Alamo, Texas (Hidalgo County). It has a population of 34,960 and covers 38 square miles.
What is the population of zip code 78516?
The population of zip code 78516 (Alamo, TX) is 34,960 with a median age of 30.3. There are approximately 12,469 housing units in this area.
What is the median income in zip code 78516?
The median household income in zip code 78516 (Alamo, TX) is $51,547 per year. The cost of living index is 60 (100 = national average).
What is the average home price in zip code 78516?
The median home value in zip code 78516 (Alamo, TX) is $102,900. The cost of living index is 60 compared to the national average of 100.
What county is zip code 78516 in?
Zip code 78516 is located in Hidalgo County, Texas. The primary city is Alamo.
What is the area code for zip code 78516?
Zip code 78516 in Alamo, TX uses area code 979. It is located in the Central (CST/CDT) timezone.
Is zip code 78516 a good place to live?
Zip code 78516 (Alamo, TX) has a cost of living index of 60 (100 = national average), a median household income of $51,547, and median home values of $102,900. The median age is 30.3. Visit the full page for demographics, climate, and nearby zip code comparisons.
What is the cost of living in zip code 78516?
The cost of living index for zip code 78516 (Alamo, TX) is 60, where 100 represents the national average. This area is below the national average. Median home value: $102,900.
What schools serve zip code 78516?
Zip code 78516 in Alamo, Texas is served by the local school district of Hidalgo County. For specific school information, check your state's department of education or GreatSchools.org.
All demographic data on this page is sourced from the U.S. Census Bureau American Community Survey (ACS) 5-Year Estimates. ZIP code boundary and delivery data is sourced from the United States Postal Service (USPS). Data is updated periodically and may not reflect the most current figures. Census Bureau ZIP Code Tabulation Areas (ZCTAs) may differ slightly from USPS ZIP code boundaries.
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Data Sources
- Population, income, housing, age, and demographics
- U.S. Census Bureau, American Community Survey 5-Year Estimates, 2019-2023 vintage.
- ZIP to city and county mapping
- USPS and HUD-USPS ZIP-County Crosswalk.
- Time zones and area codes
- IANA tz database and NANPA.
- Elevation
- U.S. Geological Survey National Elevation Dataset (NED), via the USGS Elevation Point Query Service. Mapped to each ZCTA centroid coordinates. Last refreshed 2026-05-19.
- Last refreshed
- 2026-05-18.