Postal Codes

78643 ZIP Code

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ZIP code 78643 covers Llano, Texas, with a population of about 6,837 and a median household income of $63,500.

Population
6,83710 per square mile
Median age
5415.3 points above the US average
Median household income
$63,50017% below the Texas median
Poverty rate
10.9%1.5 points below the US average
Typical home value
$361,144up 4.1% in five years
Median rent
$95129% below the Texas median
Degree or higher
30.4%4.6 points below the US average
Homeownership
73.3%8.3 points above the US average
Time zone
Central UTC-06:00observes daylight saving time
Businesses
212

Where 78643 is

Llano, Texas — the area the Census Bureau draws for this ZIP code. ZIP codes are sets of delivery routes rather than areas, so this is the Census approximation of one, not a Postal Service boundary.

People and households

American Community Survey 2019–2023 five-year estimates

Population6,837
Median age54
Family households67.3%
Born outside the US2.6%
Speaks a language other than English at home6.1%
White (non-Hispanic)89.4%
Black (non-Hispanic)1%
Asian (non-Hispanic)0.5%
Hispanic or Latino6.6%
Veterans9.3%
Population by age
MaleFemale0-45-910-1415-1920-2425-3435-4445-5455-6465-7475-8485+
Income and poverty

American Community Survey 2019–2023 five-year estimates

Median household income$63,500
Income per person$42,357
Poverty rate10.9%
Households on SNAP or cash assistance10.5%

Household income distribution

Under $10k4.3%
$10–15k2.3%
$15–20k5.5%
$20–25k2.9%
$25–30k3.9%
$30–35k8.7%
$35–40k2.0%
$40–45k4.3%
$45–50k5.2%
$50–60k7.1%
$60–75k10.6%
$75–100k10.0%
$100–125k8.0%
$125–150k8.5%
$150–200k5.5%
$200k or more11.2%

Income as declared to the IRS

Filed returns rather than survey responses, so this counts tax units and not households.

Tax returns filed3,220
Mean adjusted gross income$90,650
Returns declaring $200,000 or more7.8%
Returns, under $25k29.5%
Returns, $25k–$50k23.0%
Returns, $50k–$75k14.6%
Returns, $75k–$100k9.6%
Returns, $100k–$200k15.5%
Returns, $200k or more7.8%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$308,800
Median gross rent$951
Rent as a share of household income33.3%
Owner-occupied73.3%
Vacant homes26.7%
Median year built1987

What the homes are

Detached house79.3%
Attached house1.3%
2 to 4 units4.6%
5 to 19 units1.2%
20 or more units1.3%
Mobile home12.2%
Home values and rents today

Zillow Home Value Index and Zillow Observed Rent Index, courtesy of Zillow. Monthly and current, where the Census figures above are a five-year average and are capped at $2,000,000.

Typical home value$361,144as of 2026-07
Typical home value, 1 yeardown 4.1%
Typical home value, 5 yearsup 4.1%
Typical home value, 10 yearsup 70.4%
Typical home value since 2000
200920172026$419,428$150,467

$156,033 in 2009 to $361,144 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate3.9%
Bachelor's degree or higher30.4%
High school diploma or higher90.7%
Works from home10%
Drives to work alone77.2%
Takes public transport0.1%
Commutes 45 minutes or more18.6%
Health

CDC PLACES 2025 release, model-based estimates. These are modelled small-area estimates for adults, not counts of diagnosed cases.

Obesity36.1% 2.7 pts above the national average of 33.4%
Diagnosed diabetes14.9% 2.9 pts above the national average of 12%
Currently smokes13.9% 0.7 pts above the national average of 13.2%
High blood pressure43.2% 9.1 pts above the national average of 34.1%
Fair or poor general health22.4% 2.1 pts above the national average of 20.3%
No health insurance (18–64)12.2% 0.9 pts above the national average of 11.3%
Depression22.6% 0.7 pts above the national average of 21.9%
No leisure-time physical activity27.9% 2.5 pts above the national average of 25.4%
Arthritis34.5% 9.4 pts above the national average of 25.1%
Binge drinking14.2% 1.8 pts below the national average of 16%
Taking blood pressure medication82.8% 8.1 pts above the national average of 74.7%
Cancer (non-skin)12.1% 4.4 pts above the national average of 7.7%
Current asthma10.2% same as the national average of 10.4%
Coronary heart disease9.2% 3 pts above the national average of 6.2%
Routine check-up in past year79.6% 2.9 pts above the national average of 76.7%
Cholesterol screening89.4% 3.5 pts above the national average of 85.9%
Cognitive disability13.9% 0.9 pts below the national average of 14.8%
Colorectal screening68.1% 3.8 pts above the national average of 64.3%
COPD9.5% 2.9 pts above the national average of 6.6%
Visited a dentist62.2% 0.9 pts above the national average of 61.3%
Any disability35.9% 5.2 pts above the national average of 30.7%
Hearing disability10.2% 3.5 pts above the national average of 6.7%
High cholesterol43.8% 7.6 pts above the national average of 36.2%
Independent living disability9.1% 0.7 pts above the national average of 8.4%
Mammography use74.1% 1.8 pts below the national average of 75.9%
Poor mental health (14+ days)15.6% 1.2 pts below the national average of 16.8%
Mobility disability18.8% 4.8 pts above the national average of 14%
Poor physical health (14+ days)15.5% 2 pts above the national average of 13.5%
Self-care disability4.5% 0.5 pts above the national average of 4%
Sleeps under 7 hours34.3% 2.1 pts below the national average of 36.4%
Stroke4.7% 1.3 pts above the national average of 3.4%
All natural teeth lost12.3% 0.7 pts below the national average of 13%
Vision disability5.7% same as the national average of 5.6%
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Business and employment

Census ZIP Code Business Patterns 2022

Business establishments212
People employed1,500
Annual payroll$62,910,000
Natural hazard risk

FEMA National Risk Index, estimated for this ZIP code from census tract data — the NRI is not published per ZIP.

Overall riskHigher than 89.3% of US census tracts
FEMA ratingRelatively High
Expected annual loss79 out of 100
Community resilience21 out of 100

By hazard

Score is out of 100 and is the area-weighted average across the census tracts this ZIP code covers. The rating beside it is the highest any one of those tracts carries.

River flooding97.1Very High at its worst in this ZIP code
Drought95.5Relatively Moderate at its worst in this ZIP code
Wildfire94.1Relatively Moderate at its worst in this ZIP code
Hail92.5Relatively High at its worst in this ZIP code
Lightning91.1Very High at its worst in this ZIP code
Winter weather89Relatively High at its worst in this ZIP code
Landslide83.6Relatively Low at its worst in this ZIP code
Strong wind77.4Relatively Moderate at its worst in this ZIP code
Tornado76Relatively High at its worst in this ZIP code
Cold wave70.5Relatively High at its worst in this ZIP code
Heat wave61.4Relatively Moderate at its worst in this ZIP code
Hurricane54.6Relatively Low at its worst in this ZIP code
Ice storm12.9Very Low at its worst in this ZIP code
Earthquake4.8Very Low at its worst in this ZIP code
Compared with Texas and the United States

State and national columns are figures for those areas, not for this ZIP code. American Community Survey 2019–2023 five-year estimates

This ZIPTexasUnited States
Median household income$63,500$76,292$78,538
Income per person$42,357$39,446$43,289
Poverty rate10.9%13.8%12.4%
Median home value$308,800$260,400$303,400
Median gross rent$951$1,339$1,348
Homeownership73.3%62.6%65%
Bachelor's degree or higher30.4%33.1%35%
Unemployment rate3.9%5.1%5.2%
Works from home10%12.8%13.5%
Born outside the US2.6%17.2%13.9%
Median age5435.538.7
Climate

NOAA US Climate Normals 1991-2020, from the nearest weather station with a full year of records. The station and its distance are named above, because a station forty kilometres away describes somewhere else.

Weather stationLLANO, TX US5.1 km away
Rain in a year28 in
Snow in a year0 in

Average high and low by month

January62.2°F / 33.6°F1.5 in rain
February66°F / 38.6°F1.67 in rain, 0.1 in snow
March72.8°F / 45.6°F2.43 in rain
April80°F / 53.4°F2.14 in rain
May86.1°F / 63.5°F3.86 in rain
June92.8°F / 70.4°F3.27 in rain
July96.3°F / 72.8°F1.82 in rain
August96.8°F / 72.4°F1.59 in rain
September90.5°F / 65.6°F2.34 in rain
October81.6°F / 54.9°F3 in rain
November71.2°F / 43.6°F2.07 in rain
December63.6°F / 35.4°F1.88 in rain
Access to food

USDA Food Access Research Atlas, estimated for this ZIP code from census tract data. Each figure is the share of the ZIP code's land area that falls in a tract carrying that flag.

Low income and far from a supermarketNone of this ZIP code
Far from a supermarketNone of this ZIP code
No vehicle and far from a supermarketNone of this ZIP code
School districts

NCES Geographic Relationship File 2025, which states the association between each district and each ZIP code tabulation area directly. Elementary and secondary districts can cover the same ground, so shares need not total 100%.

Llano Independent School District98.8% of this ZIP code's land area
Community and walkability

CDC/ATSDR Social Vulnerability Index 2022 and the EPA National Walkability Index, both estimated for this ZIP code from census tract data. Vulnerability figures are national percentile ranks, not measurements.

Overall social vulnerability19more vulnerable than 19% of US census tracts
Socioeconomic status24more vulnerable than 24% of US census tracts
Household characteristics55more vulnerable than 55% of US census tracts
Racial and ethnic minority status10more vulnerable than 10% of US census tracts
Housing type and transport14more vulnerable than 14% of US census tracts
Walkability4.3 out of 20Least walkable
Nearby ZIP codes

The closest ZIP codes by centre point, which is not the same as sharing a border.

78607 Bluffton, TX15.3 km away
78639 Kingsland, TX16.5 km away
78609 Buchanan Dam, TX17.9 km away
78672 Tow, TX21.7 km away
76885 Valley Spring, TX27.3 km away
78675 Willow City, TX29.4 km away
78657 Horseshoe Bay, TX29.6 km away
76832 Cherokee, TX29.9 km away
Location, counties and time zone

County shares from Census 2020 ZCTA relationship files. Time zone from the USDOT National Transportation Atlas, which renders the boundaries written into 49 CFR Part 71.

Llano County100% of this ZIP code's land area
Time zoneCentral (UTC-06:00 standard)
Daylight saving timeObserved
Land area712.26 sq mi
Water area5.51 sq mi
Population density10 people per sq mi
Latitude, longitude30.7151, -98.6109

Figures are published for this ZIP code or its Census tabulation area unless a section says otherwise. Estimates whose margin of error made them unreliable are omitted rather than shown. Sources: US Census Bureau, CDC, IRS.

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