Zip Code 78840
Del Rio, Texas — Val Verde County
📍 ZIP code 78840 is in Del Rio, Val Verde County, Texas.
ZIP code 78840 is located in Del Rio, Val Verde County, Texas. It is a zip code in the Central (CST/CDT) Time Zone with an estimated population of 47,053. The area code for ZIP code 78840 is 512.
Quick Answer
Zip code 78840 is in Del Rio, Texas (Val Verde County). It has a population of 47,053, median household income of $59,608, and median home value of $151,500.
Population
47,053
Income
$59,608
Home Value
$151,500
Climate
94°F / 36°F
About Zip Code 78840
Zip code 78840 is located in Del Rio, Texas, within Val Verde County. Home to approximately 47,053 residents, this area sits at an elevation of 1570 ft and falls within the Central (CST/CDT) timezone. The local area code is 512.
The median household income is $59,608 per year, which is below the national median of $70,784. Homes in this zip code have a median value of $151,500, and the cost of living index is 60 (40% below the national average of 100).
Summers average a high of 94°F while winters drop to 36°F. The area receives about 27 in of rain annually. The zip code covers 951.5 square miles of land area and 42.6 square miles of water.
Key Statistics
47,053
$59,608
$151,500
Central (CST/CDT)
512
1570 ft
951.5 sq mi
32.4
18,438
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Compare With Nearby Zip Codes
Cost of Living
100 = National Average. Del Rio's cost of living is 40% below the national average.
vs. State Avg
Below
Affordability
Very Affordable
Income-to-Home
2.5x
Demographics
Zip code 78840 has a population of 47,053 people with a median age of 32.4. There are 18,438 housing units in this area.
Racial & Ethnic Composition
Source: U.S. Census Bureau American Community Survey estimates.
Population History
Del Rio (78840) population trend from 2010 to 2024
↑ 110.4%Source: U.S. Census Bureau estimates and American Community Survey data.
Climate & Weather
94°F
36°F
27 in
0 in
Del Rio experiences hot summers with average highs around 94°F. Winters are mild with lows averaging 36°F. The area receives virtually no snowfall.
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Housing & Economy
Median Home Value
$151,500
Median Household Income
$59,608
With 18,438 housing units across 951.5 square miles, 78840 has a housing density of 19 units per square mile. The home price-to-income ratio is 2.5x.
Location & Geography
Latitude
29.7299°
Longitude
-100.8813°
Land Area
951.5 sq mi
Water Area
42.6 sq mi
Nearby Zip Codes
Zip codes closest to 78840 (Del Rio, TX) with distances:
All Zip Codes in Del Rio, TX
Other zip codes serving Del Rio:
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ZIP Codes with Similar Income Nationwide
The five U.S. ZIP codes whose median household income is closest to 78840's $59,608. A way to compare Del Rio 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 78840 (Del Rio, 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 Del Rio, Texas?
Del Rio, Texas uses zip code 78840 along with 1 other zip codes.
What county is zip code 78840 in?
Zip code 78840 is located in Val Verde County, Texas.
What is the population of zip code 78840?
The population of zip code 78840 is 47,053 with a median age of 32.4.
Is 78840 in Del Rio, Texas?
Yes, zip code 78840 is in Del Rio, Val Verde County, Texas. The area code is 512.
Frequently Asked Questions
What city is zip code 78840 in?
Zip code 78840 is in Del Rio, Texas. It is part of Val Verde County and uses the Central (CST/CDT) timezone.
What is zip code 78840?
Zip code 78840 is a U.S. postal code in Del Rio, Texas (Val Verde County). It has a population of 47,053 and covers 951.5 square miles.
What is the population of zip code 78840?
The population of zip code 78840 (Del Rio, TX) is 47,053 with a median age of 32.4. There are approximately 18,438 housing units in this area.
What is the median income in zip code 78840?
The median household income in zip code 78840 (Del Rio, TX) is $59,608 per year. The cost of living index is 60 (100 = national average).
What is the average home price in zip code 78840?
The median home value in zip code 78840 (Del Rio, TX) is $151,500. The cost of living index is 60 compared to the national average of 100.
What county is zip code 78840 in?
Zip code 78840 is located in Val Verde County, Texas. The primary city is Del Rio.
What is the area code for zip code 78840?
Zip code 78840 in Del Rio, TX uses area code 512. It is located in the Central (CST/CDT) timezone.
Is zip code 78840 a good place to live?
Zip code 78840 (Del Rio, TX) has a cost of living index of 60 (100 = national average), a median household income of $59,608, and median home values of $151,500. The median age is 32.4. Visit the full page for demographics, climate, and nearby zip code comparisons.
What is the cost of living in zip code 78840?
The cost of living index for zip code 78840 (Del Rio, TX) is 60, where 100 represents the national average. This area is below the national average. Median home value: $151,500.
What schools serve zip code 78840?
Zip code 78840 in Del Rio, Texas is served by the local school district of Val Verde 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.