ZIP code · Llano · Texas · United States
ZIP code 78643 — Llano
ZIP code 78643 serves Llano, Texas.
- Postal code
- 78643Single source Value from one source, not cross-checked.
- City
- Llano
- County
- Llano FIPS 48299
- State
- Texas
- Country
- United States
- Coordinates
- 30.7151, -98.6109 — precision precise (locality)
View on OpenStreetMap - Population
- 6,837 (ZCTA, ACS 5-year)
- Population density
- 10 / sq mi
- Land area
- 712.3 sq mi (1,844.8 km²) (ZCTA, ACS 5-year)
- Median household income
- $63,500
- Per-capita income
- $42,357
- Median age
- 54
- Households
- 3,042
- Housing units
- 4,149
- Median home value
- $308,800
- Median gross rent
- $951 / month
- Congressional district
- TX-11 (119th Congress)
- USDA hardiness zone
- 8b (15 to 20 °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
- 325Telephone 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 78643 with another ZIP · ZIPs within 25 miles · distance from 78643
Map of ZIP code 78643
Climate — monthly normals
Warmest month Aug (avg high 97°F), coldest Jan (avg low 34°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 62 | 66 | 73 | 80 | 86 | 93 | 96 | 97 | 91 | 82 | 71 | 64 |
| Avg low °F | 34 | 39 | 46 | 53 | 64 | 70 | 73 | 72 | 66 | 55 | 44 | 35 |
| Precip in | 1.5 | 1.7 | 2.4 | 2.1 | 3.9 | 3.3 | 1.8 | 1.6 | 2.3 | 3.0 | 2.1 | 1.9 |
NOAA 1991–2020 climate normals from the nearest station: LLANO (3.2 mi) · NOAA NCEI
Places in ZIP 78643
- 4 schools
- 1 hospitals & clinics
- 1 supermarkets
- 8 restaurants & cafés
- 5 parks
- 1 post offices
- 12 places of worship
- 1 banks
- 7 gas stations
- 1 EV charging stations
- 3 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