Llano County, TX ZIP Codes
9 ZIP codes cover all or part of Llano County, Texas. The Census Bureau counts 22,424 residents in the county, with a median household income of $67,530 and a median home value of $356,500. Median household income ranges from $57,742 in 78639 to $91,452 in 78657. Its largest communities include Marble Falls, Kingsland, Horseshoe Bay, Llano and Cottonwood Shores.
Llano County (Census county figures)
| Measure | Census figure |
|---|---|
| Residents | 22,424 |
| Households | 10,765 |
| Median household income | $67,530 |
| Median home value | $356,500 |
| Median age | 57.4 |
| Median rent | $998 |
All 9 ZIP codes together
| Measure | Value |
|---|---|
| Residents (sum of ZIP codes) | 26,211 |
| Households (sum of ZIP codes) | 12,259 |
| Median household income, range across ZIP codes | $57,742 (78639) to $91,452 (78657) |
| Household-weighted average of ZIP medians (an approximation, not a true median) | $71,286 |
| Homeowners | 76.8% |
| Households with kids under 18 | 18.8% |
| Moved in the past year | 12.1% |
| Carrier routes in EDDM2GO's route library | 31 routes, 14,761 homes (9 of 9 ZIP codes) |
Top facts
- Highest median household income in Llano County: 78657 ($91,452)
- Most residents: 78639 (8,719 people)
- Highest homeownership: 78657 (81.3% own their home)
- Most households with kids: 78643 (23.6% of households)
- Most new movers: 78643 (15.8% moved in last year)
- Youngest median age: 78639 (52.1 years)
- Highest median home value: 78657 ($483,200)
Every ZIP code in Llano County
| ZIP | Mailing city | Residents | Households | Median income | Home value | Homeowners | With kids | New movers | Carrier routes | Mailboxes | Why listed |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 78639 | Kingsland | 8,719 | 4,022 | $57,742 | $245,500 | 74.0% | 21.5% | 10.2% | 7 | 5,124 | 83% of its land |
| 78657 | Horseshoe Bay | 7,591 | 3,526 | $91,452 | $483,200 | 81.3% | 16.0% | 10.3% | 7 | 4,632 | 69% of its land |
| 78643 | Llano | 7,088 | 3,188 | $68,365 | $362,600 | 74.7% | 23.6% | 15.8% | 9 | 3,886 | 100% of its land |
| 78609 | Buchanan Dam | 1,983 | 1,065 | $64,418 | $319,700 | 73.2% | 9.2% | 13.2% | 2 | 1,082 | 100% of its land |
| 78672 | Tow | 570 | 345 | $52,813 | $212,500 | 89.6% | 1.2% | 16.3% | 1 | 557 | 100% of its land |
| 76885 | Llano County | 142 | 63 | — | $787,200 | 100.0% | 12.7% | 14.1% | 1 | 41 | 100% of its land |
| 78607 | Bluffton | 118 | 50 | $58,594 | $243,800 | 68.0% | 32.0% | 0.0% | 2 | 106 | 100% of its land |
| 76831 | Castell | 0 | 0 | — | — | — | — | — | 1 | 12 | 100% of its land |
| 76869 | San Saba County | 0 | 0 | — | — | — | — | — | 1 | 27 | 23% of its land |
A ZIP code is listed for Llano 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
- Marble Falls — 7,752 residents · 1 ZIP code
- Kingsland — 7,330 residents · 1 ZIP code
- Horseshoe Bay — 4,854 residents · 1 ZIP code
- Llano — 3,494 residents · 1 ZIP code
- Cottonwood Shores — 1,859 residents · 1 ZIP code
- Buchanan Dam — 1,513 residents · 3 ZIP codes
- Sunrise Beach Village — 936 residents · 1 ZIP code
- Buchanan Lake Village — 425 residents · 1 ZIP code
- Tow — 145 residents · 1 ZIP code
Price a mailing to Llano County ZIP codes
EDDM guides
Pick carrier routes on the EDDM route map
Frequently asked questions
- What ZIP codes are in Llano County, TX?
- 78639, 78657, 78643, 78609, 78672, 76885, 78607, 76831 and 76869. Some cross the county line; the table shows each ZIP's share of land in the county.
- What is the population of Llano County?
- 22,424 residents in 10,765 households (ACS 5-year estimates, 2020–2024).
- What is the median household income in Llano County?
- $67,530 for the county as a whole. Its ZIP codes range from $57,742 (78639) to $91,452 (78657).
- Which Llano County ZIP code has the highest median household income?
- 78657, at $91,452, among ZIP codes with at least 1,000 residents.
- How many carrier routes and mailboxes are in Llano County?
- For the 9 of 9 ZIP codes in EDDM2GO's stored route library: 31 carrier routes reaching 14,761 residential and 706 business mailboxes.
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.