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zipcodes.pro — STATE/TX/COUNTY/GILLESPIE

Gillespie County, TX ZIP codes

Gillespie County, TX has 4 ZIP codes, in 4 towns: 78624, 78671, 78618 and 78675. 1 more crosses into it from a neighbouring county: 78631.

The county seat is Fredericksburg.

ZIP codes
4
Partly in it
1 more
Towns
4
County seat
Fredericksburg
County FIPS
48171
State
Texas
Population
27,524
Median household income
$76,162
Land area
1,058 sq mi
Metro area
Fredericksburg

Gillespie County ZIP codes by town

Fredericksburg (county seat)
78624

Each ZIP code is listed under the county most of its land lies in and the town the Postal Service names it for; a ZIP code's own page shows exactly how it is split.

ZIP codes partly in Gillespie County

This ZIP code lies mostly in a neighbouring county but covers a twentieth or more of Gillespie County.

Map of Gillespie County ZIP codes

78618786247867178675

The ZIP codes of Gillespie County, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.

Gillespie County in numbers

About 27,524 people live in Gillespie County, in 11,513 households, the 99th most populous of Texas's 254 counties. The median household income is $76,162 a year, about the same as the Texas median of $78,476 (US: $80,734). The median owner-occupied home is valued at $460,700 (62% above the Texas median), and median gross rent is $1,340 a month. The median age is 50.7; 37.2% of adults 25 and over hold a bachelor's degree or higher (33.8% across Texas); the average commute takes 22 minutes.

Population27,524Gillespie27,524
Households11,513Gillespie11,513
Median age50.7Gillespie50.7Texas35.6US 38.9
Median household income$76,162Gillespie$76,162Texas$78,476US $80,734
Median home value$460,700Gillespie$460,700Texas$283,800US $332,700
Median gross rent$1,340Gillespie$1,340Texas$1,403US $1,413
Bachelor's degree or higher37.2%Gillespie37.2%Texas33.8%US 35.7%
Mean commute21.9 minGillespie21.9 minTexas26.7 minUS 26.4 min
Population density26 / sq miGillespie26 / sq mi

U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates. Survey estimates carry margins of error, wider for small places. Sources and methods.

Largest towns in Gillespie County

Largest towns in Gillespie County
TownZIP codesPopulation
Fredericksburg 1 11,419
Doss 1 346
Stonewall 1 295
Willow City 1 102

Population of the census place of that name where there is one, otherwise of the ZIP codes the Postal Service addresses by it. A town's ZIP codes can reach past the county line.

Neighbouring counties

Counties that share a ZIP code with Gillespie County.

Not sure you are in Gillespie County? What county am I in? answers from your location, near a county line included.

Every ZIP code in Gillespie County, with figures

ZIP codes in Gillespie County
ZIP City Type Population Median income Median home
78618 Doss , TX Standard 346 $81,528 $349,300
78624 Fredericksburg , TX Standard 23,741 $75,237 $463,300
78671 Stonewall , TX Standard 413 $61,200 —
78675 Willow City , TX Standard 102 $78,472 $451,500

Cite this page

zipcodes.pro. “Gillespie County ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/state/tx/county/gillespie

Underlying data is public domain or openly licensed — sources, vintages and licences.