ZIP code · Marble Falls · Texas · United States

ZIP code 78654 — Marble Falls

ZIP code 78654 serves Marble Falls, Texas.

Postal code
78654
Single source Value from one source, not cross-checked.
City
Marble Falls
County
Burnet FIPS 48053
State
Texas
Country
United States
Coordinates
30.5784, -98.2751 — precision precise (locality)
View on OpenStreetMap
Population
19,946 (ZCTA, ACS 5-year)
Population density
99 / sq mi
Land area
201.3 sq mi (521.5 km²) (ZCTA, ACS 5-year)
Median household income
$72,669
Per-capita income
$44,174
Median age
43.1
Households
7,904
Housing units
9,764
Median home value
$315,200
Median gross rent
$1,404 / month
Congressional districts
TX-31 (also TX-10) (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
830
Telephone 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.

Climate — monthly normals

Warmest month Aug (avg high 96°F), coldest Jan (avg low 38°F).

JanFebMarAprMayJunJulAugSepOctNovDec
Avg high °F616472798592959689806961
Avg low °F384249566471737368584740
Precip in1.61.62.72.13.72.91.81.82.93.22.31.9

NOAA 1991–2020 climate normals from the nearest station: BURNET MUNI AP (11.4 mi) · NOAA NCEI

Places in ZIP 78654

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