Cross Mountain, TX ZIP Codes
2 ZIP codes serve Cross Mountain, Texas: 78255 and 78256. Together they are home to 30,832 residents in 12,144 households. That is more than the 3,752 people counted inside Cross Mountain Census-designated place, because these ZIP codes reach past its boundary. Median household income ranges from $74,977 in 78256 to $157,428 in 78255.
Cross Mountain Census-designated place
| Measure | Census figure |
|---|---|
| Residents | 3,752 |
| Households | 1,219 |
| Median household income | $205,164 |
| Median home value | $580,700 |
| Median age | 41.2 |
| Median rent | not published |
All 2 ZIP codes together
| Measure | Value |
|---|---|
| Residents (sum of ZIP codes) | 30,832 |
| Households (sum of ZIP codes) | 12,144 |
| Median household income, range across ZIP codes | $74,977 (78256) to $157,428 (78255) |
| Household-weighted average of ZIP medians (an approximation, not a true median) | $116,433 |
| Homeowners | 57.3% |
| Households with kids under 18 | 28.6% |
| Moved in the past year | 16.5% |
| Carrier routes in EDDM2GO's route library | 20 routes, 16,580 homes (2 of 2 ZIP codes) |
Top facts
- Highest median household income in Cross Mountain: 78255 ($157,428)
- Most residents: 78255 (17,379 people)
- Highest homeownership: 78255 (84.8% own their home)
- Most households with kids: 78255 (37.8% of households)
- Most new movers: 78256 (30.0% moved in last year)
- Youngest median age: 78256 (29.8 years)
- Highest median home value: 78256 ($579,300)
Every ZIP code in Cross Mountain
| ZIP | Mailing city | Residents | Households | Median income | Home value | Homeowners | With kids | New movers | Carrier routes | Mailboxes | Why listed |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 78255 | San Antonio | 17,379 | 6,106 | $157,428 | $531,400 | 84.8% | 37.8% | 6.1% | 11 | 8,127 | 29% of its land |
| 78256 | San Antonio | 13,453 | 6,038 | $74,977 | $579,300 | 29.5% | 19.3% | 30.0% | 9 | 8,851 | 12% of its land |
A ZIP code is listed for Cross Mountain when at least 10% of its land lies inside the Cross Mountain Census-designated place, when it holds at least 10% of the place's land, or when its USPS mailing city is Cross Mountain. The table shows which applies. Totals add up whole ZIP codes, so they include any parts outside Cross Mountain.
Counties
- Bexar County — 76 ZIP codes
Nearby cities sharing these ZIP codes
- San Antonio — 64 ZIP codes
- Scenic Oaks — 2 ZIP codes
Metro maps
- San Antonio ZIP code map — 121 ZIP codes
EDDM service areas in Cross Mountain
Price a mailing to Cross Mountain ZIP codes
EDDM guides
Pick carrier routes on the EDDM route map
Frequently asked questions
- What ZIP codes are in Cross Mountain, TX?
- 78255 and 78256. A ZIP code is listed for Cross Mountain when at least 10% of its land lies inside the Cross Mountain Census-designated place, when it holds at least 10% of the place's land, or when its USPS mailing city is Cross Mountain.
- What is the population of Cross Mountain, TX?
- The Census Bureau counts 3,752 residents inside Cross Mountain Census-designated place (ACS 2020–2024). The 2 ZIP codes that serve Cross Mountain hold 30,832 residents in all.
- What is the median household income in Cross Mountain, TX?
- $205,164 inside Cross Mountain Census-designated place, per the Census Bureau. Across its ZIP codes the medians run from $74,977 to $157,428.
- Which Cross Mountain ZIP code has the highest median household income?
- 78255, at $157,428, among ZIP codes with at least 1,000 residents.
- How many carrier routes and mailboxes are in Cross Mountain, TX?
- For the 2 of 2 ZIP codes in EDDM2GO's stored route library: 20 carrier routes reaching 16,580 residential and 397 business mailboxes.
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.