Zip Code 78577
Mcallen, Texas — Hidalgo County
📍 ZIP code 78577 is in Mcallen, Hidalgo County, Texas.
ZIP code 78577 is located in Mcallen, Hidalgo County, Texas. It is a zip code in the Central (CST/CDT) Time Zone with an estimated population of 79,903. The area code for ZIP code 78577 is 979.
Quick Answer
Zip code 78577 is in Mcallen, Texas (Hidalgo County). It has a population of 79,903, median household income of $49,768, and median home value of $111,500.
Population
79,903
Income
$49,768
Home Value
$111,500
Climate
99°F / 53°F
About Zip Code 78577
Zip code 78577 is located in Mcallen, Texas, within Hidalgo County. Home to approximately 79,903 residents, this area sits at an elevation of 88 ft and falls within the Central (CST/CDT) timezone. The local area code is 979.
The median household income is $49,768 per year, which is below the national median of $70,784. Homes in this zip code have a median value of $111,500, 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 31.8 square miles of land area and 0.1 square miles of water.
Key Statistics
79,903
$49,768
$111,500
Central (CST/CDT)
979
88 ft
31.8 sq mi
29.5
26,568
Advertisement
Compare With Nearby Zip Codes
| Metric | 78577 | 78589 | 78503 | 78557 | 78516 | 78501 |
|---|---|---|---|---|---|---|
| City | Mcallen, TX | San Juan, TX | Mcallen, TX | Hidalgo, TX | Alamo, TX | Mcallen, TX |
| Population | 79,903 | 39,958 | 22,566 | 14,250 | 34,960 | 59,095 |
| Median Income | $49,768 | $51,662 | $48,765 | $53,667 | $51,547 | $49,451 |
| Home Value | $111,500 | $112,400 | $130,100 | $156,400 | $102,900 | $149,000 |
| Cost of Living | 60 | 60 | 60 | 60 | 60 | 60 |
| Median Age | 29.5 | 29.9 | 32.1 | 31.5 | 30.3 | 36.8 |
Cost of Living
100 = National Average. Mcallen's cost of living is 40% below the national average.
vs. State Avg
Below
Affordability
Very Affordable
Income-to-Home
2.2x
Demographics
Zip code 78577 has a population of 79,903 people with a median age of 29.5. There are 26,568 housing units in this area.
Racial & Ethnic Composition
Source: U.S. Census Bureau American Community Survey estimates.
Population History
Mcallen (78577) population trend from 2010 to 2024
↑ 69.6%Source: U.S. Census Bureau estimates and American Community Survey data.
Climate & Weather
99°F
53°F
22 in
0 in
Mcallen experiences hot summers with average highs around 99°F. Winters are mild with lows averaging 53°F. The area receives virtually no snowfall.
Advertisement
Housing & Economy
Median Home Value
$111,500
Median Household Income
$49,768
With 26,568 housing units across 31.8 square miles, 78577 has a housing density of 835 units per square mile. The home price-to-income ratio is 2.2x.
Location & Geography
Latitude
26.1515°
Longitude
-98.1898°
Land Area
31.8 sq mi
Water Area
0.1 sq mi
Nearby Zip Codes
Zip codes closest to 78577 (Mcallen, TX) with distances:
All Zip Codes in Mcallen, TX
Other zip codes serving Mcallen:
Related Cities in Texas
Explore zip codes in other Texas cities:
ZIP Codes with Similar Income Nationwide
The five U.S. ZIP codes whose median household income is closest to 78577's $49,768. A way to compare Mcallen 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 78577 (Mcallen, 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.
Explore Texas
Popular "Near Me" Searches
Advertisement
People Also Ask
What zip code is Mcallen, Texas?
Mcallen, Texas uses zip code 78577 along with 3 other zip codes.
What county is zip code 78577 in?
Zip code 78577 is located in Hidalgo County, Texas.
What is the population of zip code 78577?
The population of zip code 78577 is 79,903 with a median age of 29.5.
Is 78577 in Mcallen, Texas?
Yes, zip code 78577 is in Mcallen, Hidalgo County, Texas. The area code is 979.
Frequently Asked Questions
What city is zip code 78577 in?
Zip code 78577 is in Mcallen, Texas. It is part of Hidalgo County and uses the Central (CST/CDT) timezone.
What is zip code 78577?
Zip code 78577 is a U.S. postal code in Mcallen, Texas (Hidalgo County). It has a population of 79,903 and covers 31.8 square miles.
What is the population of zip code 78577?
The population of zip code 78577 (Mcallen, TX) is 79,903 with a median age of 29.5. There are approximately 26,568 housing units in this area.
What is the median income in zip code 78577?
The median household income in zip code 78577 (Mcallen, TX) is $49,768 per year. The cost of living index is 60 (100 = national average).
What is the average home price in zip code 78577?
The median home value in zip code 78577 (Mcallen, TX) is $111,500. The cost of living index is 60 compared to the national average of 100.
What county is zip code 78577 in?
Zip code 78577 is located in Hidalgo County, Texas. The primary city is Mcallen.
What is the area code for zip code 78577?
Zip code 78577 in Mcallen, TX uses area code 979. It is located in the Central (CST/CDT) timezone.
Is zip code 78577 a good place to live?
Zip code 78577 (Mcallen, TX) has a cost of living index of 60 (100 = national average), a median household income of $49,768, and median home values of $111,500. The median age is 29.5. Visit the full page for demographics, climate, and nearby zip code comparisons.
What is the cost of living in zip code 78577?
The cost of living index for zip code 78577 (Mcallen, TX) is 60, where 100 represents the national average. This area is below the national average. Median home value: $111,500.
What schools serve zip code 78577?
Zip code 78577 in Mcallen, 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.
People Also Searched For
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.