ZIP code · Olmito · Texas · United States
ZIP code 78575 — Olmito
ZIP code 78575 serves Olmito, Texas.
- Postal code
- 78575Single source Value from one source, not cross-checked.
- City
- Olmito
- County
- Cameron FIPS 48061
- State
- Texas
- Country
- United States
- Coordinates
- 26.0353, -97.5496 — precision precise (locality)
View on OpenStreetMap - Population
- 4,728 (ZCTA, ACS 5-year)
- Population density
- 568 / sq mi
- Land area
- 8.3 sq mi (21.6 km²) (ZCTA, ACS 5-year)
- Median household income
- $74,273
- Per-capita income
- $35,963
- Median age
- 40.5
- Households
- 1,693
- Housing units
- 1,902
- Median home value
- $220,400
- Median gross rent
- $1,138 / month
- Congressional district
- 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
- 956 (from the nearest rate centre)Telephone 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 78575 with another ZIP · ZIPs within 25 miles · distance from 78575
Map of ZIP code 78575
Climate — monthly normals
Warmest month Aug (avg high 94°F), coldest Jan (avg low 51°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 70 | 75 | 78 | 85 | 87 | 92 | 92 | 94 | 90 | 85 | 78 | 72 |
| Avg low °F | 51 | 55 | 61 | 67 | 73 | 76 | 76 | 77 | 73 | 67 | 59 | 53 |
NOAA 1991–2020 climate normals from the nearest station: WFO BROWNSVILLE (11.6 mi) · NOAA NCEI
Places in ZIP 78575
- 2 schools
- 1 restaurants & cafés
- 1 playgrounds
- 1 post offices
- 1 banks
- 3 gas stations
- 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