Zip Code 78570
Mercedes, Texas — Hidalgo County
📍 ZIP code 78570 is in Mercedes, Hidalgo County, Texas.
ZIP code 78570 is located in Mercedes, Hidalgo County, Texas. It is a zip code in the Central (CST/CDT) Time Zone with an estimated population of 33,596. The area code for ZIP code 78570 is 979.
Quick Answer
Zip code 78570 is in Mercedes, Texas (Hidalgo County). It has a population of 33,596, median household income of $39,890, and median home value of $83,400.
Population
33,596
Income
$39,890
Home Value
$83,400
Climate
96°F / 50°F
About Zip Code 78570
Zip code 78570 is located in Mercedes, Texas, within Hidalgo County. Home to approximately 33,596 residents, this area sits at an elevation of 66 ft and falls within the Central (CST/CDT) timezone. The local area code is 979.
The median household income is $39,890 per year, which is below the national median of $70,784. Homes in this zip code have a median value of $83,400, and the cost of living index is 60 (40% below the national average of 100).
Summers average a high of 96°F while winters drop to 50°F. The area receives about 26 in of rain annually. The zip code covers 74.6 square miles of land area and 0.9 square miles of water.
Key Statistics
33,596
$39,890
$83,400
Central (CST/CDT)
979
66 ft
74.6 sq mi
27.5
10,701
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Compare With Nearby Zip Codes
| Metric | 78570 | 78596 | 78559 | 78579 | 78562 | 78592 |
|---|---|---|---|---|---|---|
| City | Mercedes, TX | Weslaco, TX | La Feria, TX | Progreso, TX | La Villa, TX | Santa Maria, TX |
| Population | 33,596 | 38,942 | 12,752 | 2,548 | 3,146 | 600 |
| Median Income | $39,890 | $53,797 | $48,117 | $27,941 | $51,583 | $30,156 |
| Home Value | $83,400 | $92,800 | $99,900 | $0 | $117,800 | $34,800 |
| Cost of Living | 60 | 60 | 60 | 75 | 60 | 60 |
| Median Age | 27.5 | 31.5 | 32.3 | 35.4 | 32.1 | 50.2 |
Cost of Living
100 = National Average. Mercedes's cost of living is 40% below the national average.
vs. State Avg
Below
Affordability
Very Affordable
Income-to-Home
2.1x
Demographics
Zip code 78570 has a population of 33,596 people with a median age of 27.5. There are 10,701 housing units in this area.
Racial & Ethnic Composition
Source: U.S. Census Bureau American Community Survey estimates.
Population History
Mercedes (78570) population trend from 2010 to 2024
↑ 647.9%Source: U.S. Census Bureau estimates and American Community Survey data.
Climate & Weather
96°F
50°F
26 in
0 in
Mercedes experiences hot summers with average highs around 96°F. Winters are mild with lows averaging 50°F. The area receives virtually no snowfall.
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Housing & Economy
Median Home Value
$83,400
Median Household Income
$39,890
With 10,701 housing units across 74.6 square miles, 78570 has a housing density of 143 units per square mile. The home price-to-income ratio is 2.1x.
Location & Geography
Latitude
26.1746°
Longitude
-97.9127°
Land Area
74.6 sq mi
Water Area
0.9 sq mi
Nearby Zip Codes
Zip codes closest to 78570 (Mercedes, TX) with distances:
Related Cities in Texas
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ZIP Codes with Similar Income Nationwide
The five U.S. ZIP codes whose median household income is closest to 78570's $39,890. A way to compare Mercedes 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 78570 (Mercedes, 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 Mercedes, Texas?
Mercedes, Texas uses zip code 78570.
What county is zip code 78570 in?
Zip code 78570 is located in Hidalgo County, Texas.
What is the population of zip code 78570?
The population of zip code 78570 is 33,596 with a median age of 27.5.
Is 78570 in Mercedes, Texas?
Yes, zip code 78570 is in Mercedes, Hidalgo County, Texas. The area code is 979.
Frequently Asked Questions
What city is zip code 78570 in?
Zip code 78570 is in Mercedes, Texas. It is part of Hidalgo County and uses the Central (CST/CDT) timezone.
What is zip code 78570?
Zip code 78570 is a U.S. postal code in Mercedes, Texas (Hidalgo County). It has a population of 33,596 and covers 74.6 square miles.
What is the population of zip code 78570?
The population of zip code 78570 (Mercedes, TX) is 33,596 with a median age of 27.5. There are approximately 10,701 housing units in this area.
What is the median income in zip code 78570?
The median household income in zip code 78570 (Mercedes, TX) is $39,890 per year. The cost of living index is 60 (100 = national average).
What is the average home price in zip code 78570?
The median home value in zip code 78570 (Mercedes, TX) is $83,400. The cost of living index is 60 compared to the national average of 100.
What county is zip code 78570 in?
Zip code 78570 is located in Hidalgo County, Texas. The primary city is Mercedes.
What is the area code for zip code 78570?
Zip code 78570 in Mercedes, TX uses area code 979. It is located in the Central (CST/CDT) timezone.
Is zip code 78570 a good place to live?
Zip code 78570 (Mercedes, TX) has a cost of living index of 60 (100 = national average), a median household income of $39,890, and median home values of $83,400. The median age is 27.5. Visit the full page for demographics, climate, and nearby zip code comparisons.
What is the cost of living in zip code 78570?
The cost of living index for zip code 78570 (Mercedes, TX) is 60, where 100 represents the national average. This area is below the national average. Median home value: $83,400.
What schools serve zip code 78570?
Zip code 78570 in Mercedes, 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.