Round Mountain, TX ZIP Codes
One ZIP code serves Round Mountain, Texas: 78663. Together they are home to 503 residents in 276 households. That is more than the 81 people counted inside Round Mountain town limits, because these ZIP codes reach past its boundary.
Round Mountain town limits (Census)
| Measure | Census figure |
|---|---|
| Residents | 81 |
| Households | 39 |
| Median household income | $74,911 |
| Median home value | not published |
| Median age | 60.8 |
| Median rent | $1,688 |
All 1 ZIP codes together
| Measure | Value |
|---|---|
| Residents (sum of ZIP codes) | 503 |
| Households (sum of ZIP codes) | 276 |
| Median household income, range across ZIP codes | $168,125 (78663) to $168,125 (78663) |
| Household-weighted average of ZIP medians (an approximation, not a true median) | $168,125 |
| Homeowners | 83.0% |
| Households with kids under 18 | 7.2% |
| Moved in the past year | 3.8% |
| Carrier routes in EDDM2GO's route library | 1 routes, 443 homes (1 of 1 ZIP codes) |
Every ZIP code in Round Mountain
| ZIP | Mailing city | Residents | Households | Median income | Home value | Homeowners | With kids | New movers | Carrier routes | Mailboxes | Why listed |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 78663 | Round Mountain | 503 | 276 | $168,125 | $356,800 | 83.0% | 7.2% | 3.8% | 1 | 462 | 2% of its land; mailing city |
A ZIP code is listed for Round Mountain when at least 10% of its land lies inside Round Mountain town limits, when it holds at least 10% of the place's land, or when its USPS mailing city is Round Mountain. The table shows which applies. Totals add up whole ZIP codes, so they include any parts outside Round Mountain.
Counties
- Blanco County — 5 ZIP codes
Price a mailing to Round Mountain ZIP codes
EDDM guides
Pick carrier routes on the EDDM route map
Frequently asked questions
- What ZIP codes are in Round Mountain, TX?
- 78663. A ZIP code is listed for Round Mountain when at least 10% of its land lies inside Round Mountain town limits, when it holds at least 10% of the place's land, or when its USPS mailing city is Round Mountain.
- What is the population of Round Mountain, TX?
- The Census Bureau counts 81 residents inside Round Mountain town limits (ACS 2020–2024). The 1 ZIP code that serve Round Mountain hold 503 residents in all.
- What is the median household income in Round Mountain, TX?
- $74,911 inside Round Mountain town limits, per the Census Bureau. Across its ZIP codes the medians run from $168,125 to $168,125.
- How many carrier routes and mailboxes are in Round Mountain, TX?
- For the 1 of 1 ZIP codes in EDDM2GO's stored route library: 1 carrier routes reaching 443 residential and 19 business mailboxes.
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.