Plain

County ZIP codes · Texas · FIPS 48171

Gillespie County, TX ZIP Codes

Gillespie County, Texas has 7 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026), all residential. 4 of the residential ones lie mainly in Gillespie County and 3 mainly in a neighboring county; 5 cross the county line. Median household income ranges from $66,991 in 78028 (Kerrville) to $75,237 in 78624 (Fredericksburg) (Census Bureau, ACS 2020-2024).

  • ACS2020-24
  • Census2020

Where are the ZIP codes of Gillespie County?

78028 · Kerrville: $67k78058 · Mountain Home: $94k78618 · Doss: $82k78624 · Fredericksburg: $75k78631 · Harper: $79k78671 · Stonewall: $61k78675 · Willow City: $79k7862478058786317802878618786757867178028 · Kerrville: $67k78058 · Mountain Home: $94k78618 · Doss: $82k78624 · Fredericksburg: $75k78631 · Harper: $79k78671 · Stonewall: $61k78675 · Willow City: $79k7862478058786317802878618786757867178028 · Kerrville: $67k78058 · Mountain Home: $94k78618 · Doss: $82k78624 · Fredericksburg: $75k78631 · Harper: $79k78671 · Stonewall: $61k78675 · Willow City: $79k786247805878631780287861878675
The residential ZIP codes of Gillespie County (whole outlines, including the parts in neighboring counties), shaded by median household income in national fifths (ACS 2020-2024). <$54.1k$98.1k+no figure

Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries; ACS 2020-2024 5-year estimates (B19013).

How different are its ZIP codes?

They carry 7 postal town names: Kerrville, Fredericksburg, Harper, Mountain Home, Stonewall, Doss, Willow City.

Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B19013).

All 7 residential ZIP codes in Gillespie County

4 ZIP codes lie mainly in Gillespie County; 3 more reach into it from a neighboring county and follow the first table.

Residential ZIP codes mainly in Gillespie County, largest first; "In this county" is the share of the ZIP's land in the county
In this county
78624 Fredericksburg 23,741 32 $75k $463k 91%
78671 Stonewall 413 9 $61k – 100%
78618 Doss 346 2 $82k $349k 62%
78675 Willow City 102 2 $79k $452k 100%

Partly in Gillespie County

Residential ZIP codes mainly in another county that reach at least 1% into Gillespie County, by their share here
In this county
78631 Harper 3,465 12 $79k $352k 44%
78028 Kerrville 41,206 156 $67k $323k 16%
78058 Mountain Home 985 2 $94k $245k 4%

Download the 7 ZIP codes as CSV

Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates; county shares by land area (Census 2020 ZCTA-county relationship file).

Which ZIP codes cross the county line?

5 ZIP codes of Gillespie County extend into another county. A ZIP code follows mail routes, not county borders.

Share of each ZIP code's land in Gillespie County and in the neighboring counties
ZIPIn GillespieElsewhere
7802816%Kerr County 84%
7862491%Kendall County 9%
7863144%Kimble County 49%; Kerr County 7%
780584%Kerr County 78%; Real County 18%
7861862%Mason County 38%

Source: U.S. Census Bureau, 2020 ZCTA-county relationship file (shares of land area).

Which first three digits do Gillespie County's ZIP codes use?

The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Gillespie County's ZIP codes use 2 prefixes: 780 and 786.

Three-digit prefixes of Gillespie County's ZIP codes, the sectional center for each (USPS labeling list L005, effective October 1, 2026) and how many of the prefix's codes are Gillespie County's
PrefixSectional centerHereAll codes
780 San Antonio, TX (SCF 780) 2 59
786 Austin, TX (SCF 786) 5 75

Source: U.S. Postal Service, labeling list L005 (3-digit ZIP Code prefix groups, SCF sortation), effective October 1, 2026.