Llano

Source:

Texas

Llano is a county in Texas with 8 ZIP codes and a total population of 22,308. All data is sourced from the U.S. Census Bureau American Community Survey (ACS) 2023 5-Year Estimates.

Llano is a county inside Texas (FIPS code 48299) that contains 8 USPS ZIP codes covering a combined population of 22,308 according to Census ACS 5-Year Estimates. Counties are the natural bridge between state-level summaries and ZIP-level detail — crime statistics, HUD Fair Market Rents, and childcare pricing are all published at the county level, while household income and housing values are published at the ZIP level. This page reconciles the two views so you can see which ZIPs drive the county totals.

The 8 ZIPs listed below are ordered by population and each links to the full ZIP detail page with Census demographics, housing, income, home-price history, and cross-agency inputs. The most populated ZIP in Llano is 78639 covering Kingsland with 7,334 residents at 64 people per square mile. Population density across ZIPs in this county varies — use the density column to spot urban cores versus rural delivery areas. A single county can contain both a dense downtown ZIP and a large rural ZIP covering several hundred square miles.

Because Llano uses FIPS code 48299, it joins cleanly to county-level federal datasets: HUD Fair Market Rent tables, FBI Uniform Crime Report data, and the Department of Labor National Database of Childcare Prices all key off the same code. That is how neighborhood scorecards combine ZIP-level Census demographics with county-level safety and affordability metrics. All data on this page comes from U.S. Census Bureau ACS 2023 5-Year Estimates and USPS ZIP Code Tabulation Area files — no estimates, no proprietary sources, no editorial scoring.

8

Total ZIPs

22,308

Total Population

ZIP Codes in Llano

Side-by-side: Compare 78639 vs 78643 →

ZIP Code City Population Density
78639 Kingsland 7,334 64
78643 Llano 6,139 3
78657 Horseshoe Bay 5,509 54
78609 Buchanan Dam 2,012 33
78672 Tow 931 27
78607 Bluffton 166 5
76885 Valley Spring 154 1
76831 Castell 63 1

What are common questions about ZIP codes in this county?

What is the population of Llano?
Llano has a total population of 22,308 across 8 ZIP codes, based on U.S. Census Bureau ACS 2023 data.
What ZIP codes are in Llano?
Llano includes 8 ZIP codes: 78639, 78643, 78657, 78609, 78672, 78607, 76885, 76831.
What is the median household income in Llano?
Median household income data for individual ZIP codes in Llano is available on each ZIP code's detail page. Visit any ZIP code link below to see income, housing, and demographic data.

Source: U.S. Census Bureau, American Community Survey (ACS) 5-Year Estimates (2023). Verify with Census Bureau →

Source: HUD USPS Crosswalk (ZIP-to-county mapping). Verify with HUD →

PlainZIP is not affiliated with the U.S. Census Bureau or any government agency.