ZIP Codes of Garza County, TX

Population & People
Population & People
Total Population
5,139
Household Income
Household Income
Median Income
$53,265
Housing
Housing
Total Housing Units
2,227
Business & Economy
Business & Economy
Total Businesses
128
Employment
Employment
Employment Rate
37.87%
Education
Education
Bachelor's Degree+
10.57%
Source: U.S. Census ACS 2024 5-Year Estimates · rolled up across the 2 ZIPs in this county.
Data Last Updated: July 1, 2026
ZIP Codes:2 ZIP Codes (2 Standard, 0 PO Box, 0 Unique) [See All]
Area Code:806
Timezone:Central (GMT -06:00)
Local Time:11:55:14 PM
Population:5,139 [See All]
FIPS:48169
CBSA:Lubbock, TX
Land Area:977 sq mi
Water Area:3 sq mi
Coordinates:33.1709, -101.2612
Quick Link:
https://www.zip-codes.com/county/tx-garza.asp
Need Garza data in your app? Look up ZIP, county, and city data with a single API call.
Try Free
Notable population decline
Lost 18.7% of residents since 2014.

Standout ZIPs in this County


Most Populous
Post · 5,083 people
98.9% of county total
Highest Income
Justiceburg · $60,179 median
1.1× county average
Largest Land Area
Post · 734.8 sq mi
Spans the most ground
Fastest Growth
Post · -17.0% (10-yr)
6,124 → 5,083 residents
Most Educated
Post · 10.2% bachelor's+
361 of 3,524 adults 25+

Things worth knowing about Garza County


5,139 residents live across 2 ZIPs covering 977 sq mi, served by 2 distinct USPS-recognized cities.

Population moved from 6,318 to 5,139 from 2014 to 2024 — a -18.7% change. 0 ZIPs gained residents, 2 lost.

The county's wealthiest ZIP 79330 (Justiceburg, $60,179 median) and poorest ZIP 79356 (Post, $46,351) are 15.2 miles apart — a 1.3× income gap across local geography.

Density varies 30× across the county — from 0 people/sq mi in 79330 (Justiceburg) to 7 in 79356 (Post).

Within Texas, this is the #200 most populous of 254 counties and ranks #220 for median household income .

Weighted by population, the typical household earns about $46,502 across the county — reflecting what a typical resident sees, not a simple ZIP average.

10.6% of adults age 25+ hold a bachelor's degree or higher (376 of 3,557 reporting).

2 Standard delivery, 0 PO Box only, 0 single-entity Unique ZIPs serve this county.

Stories about Garza County


Big & sparse

A frontier county — vast land area with only a few residents per square mile. Daily life looks very different here than in the country's denser counties.

Total area
977
square miles
Avg density
5.3
people per sq mi
Population
5,139
across 2 ZIPs
Post
734.8 sq mi
5,083 residents
Justiceburg
242.6 sq mi
56 residents

Single-ZIP anchor

One ZIP holds the majority of this county's population — a sign of a county built around a single city or town.

Post

Population decline

Garza County lost 18.7% of residents between 2014 and 2024. ZIPs that shed the largest share:

Post
-17.0%
6,124 → 5,083 residents

All ZIP Codes in Garza County


ZIPCityTypePopulationMedian IncomeArea (sq mi)10-yr Growth
79356PostStandard5,083$46,351734.8-17.0%
79330JusticeburgStandard56$60,179242.6-71.1%

Adjacent & Nearby Counties