Blanco County, TX ZIP Codes
5 ZIP codes cover all or part of Blanco County, Texas: 78669, 78606, 78636, 78663 and 78635. The Census Bureau counts 12,446 residents in the county, with a median household income of $92,425 and a median home value of $483,500. Median household income ranges from $72,663 in 78636 to $128,000 in 78669. Its largest communities include Blanco, Johnson City and Round Mountain.
Blanco County (Census county figures)
| Measure | Census figure |
|---|---|
| Residents | 12,446 |
| Households | 5,166 |
| Median household income | $92,425 |
| Median home value | $483,500 |
| Median age | 51.5 |
| Median rent | $1,017 |
All 5 ZIP codes together
| Measure | Value |
|---|---|
| Residents (sum of ZIP codes) | 24,593 |
| Households (sum of ZIP codes) | 10,097 |
| Median household income, range across ZIP codes | $72,663 (78636) to $128,000 (78669) |
| Household-weighted average of ZIP medians (an approximation, not a true median) | $107,941 |
| Homeowners | 83.5% |
| Households with kids under 18 | 22.8% |
| Moved in the past year | 8.4% |
| Carrier routes in EDDM2GO's route library | 24 routes, 11,625 homes (5 of 5 ZIP codes) |
Top facts
- Highest median household income in Blanco County: 78669 ($128,000)
- Most residents: 78669 (12,592 people)
- Highest homeownership: 78669 (92.1% own their home)
- Most households with kids: 78669 (26.2% of households)
- Most new movers: 78636 (13.5% moved in last year)
- Youngest median age: 78669 (47.0 years)
- Highest median home value: 78669 ($671,000)
Every ZIP code in Blanco County
| ZIP | Mailing city | Residents | Households | Median income | Home value | Homeowners | With kids | New movers | Carrier routes | Mailboxes | Why listed |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 78669 | Spicewood | 12,592 | 5,056 | $128,000 | $671,000 | 92.1% | 26.2% | 7.4% | 13 | 6,482 | 19% of its land |
| 78606 | Blanco | 7,272 | 2,967 | $94,817 | $437,600 | 77.1% | 21.8% | 7.6% | 5 | 3,487 | 75% of its land |
| 78636 | Johnson City | 4,134 | 1,771 | $72,663 | $532,600 | 70.0% | 17.1% | 13.5% | 4 | 1,594 | 100% of its land |
| 78663 | Round Mountain | 503 | 276 | $168,125 | $356,800 | 83.0% | 7.2% | 3.8% | 1 | 462 | 93% of its land |
| 78635 | Hye | 92 | 27 | $106,458 | — | 63.0% | 37.0% | 0.0% | 1 | 35 | 100% of its land |
A ZIP code is listed for Blanco County when at least 10% of its land is in the county, when it holds at least 10% of the county's land, or when the county is its main county. Totals add up whole ZIP codes, including parts that cross the county line; the Census county figures above do not.
Cities and communities
- Blanco — 2,175 residents · 1 ZIP code
- Johnson City — 1,921 residents · 1 ZIP code
- Round Mountain — 81 residents · 1 ZIP code
Price a mailing to Blanco County ZIP codes
EDDM guides
Pick carrier routes on the EDDM route map
Frequently asked questions
- What ZIP codes are in Blanco County, TX?
- 78669, 78606, 78636, 78663 and 78635. Some cross the county line; the table shows each ZIP's share of land in the county.
- What is the population of Blanco County?
- 12,446 residents in 5,166 households (ACS 5-year estimates, 2020–2024).
- What is the median household income in Blanco County?
- $92,425 for the county as a whole. Its ZIP codes range from $72,663 (78636) to $128,000 (78669).
- Which Blanco County ZIP code has the highest median household income?
- 78669, at $128,000, among ZIP codes with at least 1,000 residents.
- How many carrier routes and mailboxes are in Blanco County?
- For the 5 of 5 ZIP codes in EDDM2GO's stored route library: 24 carrier routes reaching 11,625 residential and 433 business mailboxes.
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.