ZIP code
78643
Llano, TX
78643 covers Llano in Llano County, with 6,837 people in the ACS 2023 estimate.
Figures are for the Census ZIP Code Tabulation Area (ZCTA), which is not the same as a USPS ZIP code. A PO Box or unique ZIP may have no ZCTA and no demographics. Methodology
U.S. Census Bureau, ACS 2019–2023 5-year (vintage 2023). Geography: ZCTA 78643. Methodology
ZIP code map of 78643

About ZIP code 78643
Acceptable cities: Sunrise Beach
More enterprise fields
Commercial ZIP directory · not ACS
Commercial ZIP directory population_count for ZCTA 78643. Not ACS. Methodology
People in 78643
Race
- White5,588
- Black or African American12
- American Indian or Alaska Native48
- Asian58
- Other race229
- Two or more races518
Hispanic or Latino (any race): 632
Age
- Under 10528
- 10 to 19656
- 20 to 29457
- 30 to 39536
- 40 to 49639
- 50 to 59864
- 60 to 691,317
- 70 to 79942
- 80 and older514
Income and housing in 78643
Education
- High school graduate90.7%
- Bachelor's degree30.4%
- Graduate degree7.8%
Places covering 78643
Cities and places — Population overlap
Share of this ZIP/ZCTA’s population located within each place, based on ZIP Code Database place-overlap data. This is a population measure, not land-area overlap or the Census-place population.
- Llano51.5%
ZIP Code Database place-overlap table, field percent_of_zip_population_in_place, keyed by place_geoid. Not ACS 2019–2023. Overlap vintage is the shipped overlap table and is separate from ACS. Methodology
Counties — Population overlap
Share of this ZIP/ZCTA’s population located within each county, based on ZIP Code Database county-overlap data. This is a population measure, not land-area overlap or the Census county population.
- Llano County100.0%
ZIP Code Database county-overlap table, field percent_of_zip_population_in_county, keyed by county_geoid. Not ACS 2019–2023. Overlap vintage is the shipped overlap table and is separate from ACS. Methodology
37.0% of this ZIP is outside city limits (a real overlap row, not missing data).
Population history for 78643
Hover the chart or read the table below (Year | ACS | IRS).
| Year | ACS population | IRS population |
|---|---|---|
| 2005 | 5,454 | |
| 2006 | 5,398 | |
| 2007 | 5,948 | |
| 2008 | 5,510 | |
| 2009 | 5,377 | |
| 2010 | 5,361 | |
| 2011 | 6,567 | 5,336 |
| 2012 | 6,484 | 5,380 |
| 2013 | 6,081 | 5,370 |
| 2014 | 6,016 | 5,430 |
| 2015 | 5,912 | 5,420 |
| 2016 | 5,810 | 5,500 |
| 2017 | 5,901 | 5,650 |
| 2018 | 6,265 | 5,640 |
| 2019 | 6,298 | 5,830 |
| 2020 | 6,938 | 5,790 |
| 2021 | 6,584 | 5,890 |
| 2022 | 6,811 | 5,860 |
| 2023 | 6,837 |
ACS: U.S. Census Bureau American Community Survey 5-year estimates. IRS: Statistics of Income ZIP Code data.
ZIP codes near 78643
12 nearest ZIP centroids (any distance)
- 76885Valley Spring15.1 miPop 92 · Income $90,417
- 76831Castell15.4 miPop 0 · Income —
- 78639Kingsland15.5 miPop 8,517 · Income $57,034
- 78609Buchanan Dam16.3 miPop 1,826 · Income $60,663
- 78607Bluffton16.6 miPop 228 · Income $57,019
- 78675Willow City16.9 miPop 158 · Income $37,500
- 78672Tow19.4 miPop 679 · Income $47,692
- 76832Cherokee19.7 miPop 517 · Income —
- 76820Art20.7 miPop 128 · Income —
- 76869Pontotoc22.2 miPop 11 · Income —
- 78657Horseshoe Bay22.4 miPop 7,061 · Income $93,699
- 76824Bend23.1 miPop 0 · Income —
ZIP centroids within 2 miles
No other ZIP codes within 2 miles of 78643, measured by Census internal-point centroids. Try a wider radius.
ZIPs within 2 miles of this place
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ZIP code 78643 FAQ
- What city is ZIP code 78643 in?
- 78643 is in Llano, TX.
- What county is 78643 in?
- 78643 is in Llano County.
- What is the median household income in 78643?
- The median household income in 78643 is $63,500.
- Which ZIP codes are near 78643?
- Use the radius tool on this page to list ZIP codes within a chosen distance of 78643.