ZIP code · Edcouch · Texas · United States
ZIP code 78538 — Edcouch
ZIP code 78538 serves Edcouch, Texas.
- Postal code
- 78538Single source Value from one source, not cross-checked.
- City
- Edcouch
- County
- Hidalgo FIPS 48215
- State
- Texas
- Country
- United States
- Coordinates
- 26.3328, -97.9622 — precision precise (locality)
View on OpenStreetMap - Population
- 10,740 (ZCTA, ACS 5-year)
- Population density
- 160 / sq mi
- Land area
- 67 sq mi (173.7 km²) (ZCTA, ACS 5-year)
- Median household income
- $38,904
- Per-capita income
- $17,459
- Median age
- 34.2
- Households
- 3,298
- Housing units
- 3,745
- Median home value
- $87,300
- Median gross rent
- $586 / month
- Congressional districts
- TX-15 (also TX-34) (119th Congress)
- USDA hardiness zone
- 10a (30 to 35 °F)Planting / growing zone from the 2023 USDA Plant Hardiness Zone Map: average annual extreme minimum temperature, 1991–2020.
- Time zone
- America/Chicago (UTC−6 / UTC−5 DST)
- Area code
- 956Telephone area codes serving this ZIP (NANPA central-office assignments). A ZIP and an area code are different boundaries; at a border both codes may apply.
Tools: compare 78538 with another ZIP · ZIPs within 25 miles · distance from 78538
Map of ZIP code 78538
Climate — monthly normals
Warmest month Aug (avg high 97°F), coldest Jan (avg low 49°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 71 | 76 | 81 | 86 | 91 | 95 | 96 | 97 | 93 | 88 | 80 | 73 |
| Avg low °F | 49 | 53 | 58 | 64 | 71 | 75 | 76 | 75 | 72 | 65 | 57 | 50 |
| Precip in | 1.1 | 1.0 | 1.4 | 1.4 | 2.5 | 2.9 | 1.7 | 2.1 | 5.6 | 2.7 | 1.2 | 1.1 |
NOAA 1991–2020 climate normals from the nearest station: SANTA ROSA 3 WNW (7.3 mi) · NOAA NCEI
Places in ZIP 78538
- 7 schools
- 4 parks
- 12 playgrounds
- 5 places of worship
- 2 police & fire stations
Places mapped inside this ZIP’s ZCTA area in OpenStreetMap. OSM is community-maintained: counts reflect what has been mapped, and completeness varies by area — treat them as at-least figures. © OpenStreetMap contributors (ODbL) · Methodology
About this page
US ZIP codes have five digits. They are postal routing areas, not administrative boundaries: a ZIP can span more than one city or county, and the city shown is the primary USPS name for that code.
GeoNames · U.S. Census Bureau (ACS) · U.S. Census Bureau · NOAA NCEI · usda-phzm. Data generated on 2026-08-21. Methodology · Report an error on this page