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US ZIP Code Profile

ZIP Code 78671
Stonewall, Texas

ZIP code 78671 is in Stonewall, located in Gillespie County, Texas, within the Fredericksburg metro area. Its 2020 Census population was 624. The estimated median adjusted gross income per tax return is $48,611, and about 8% of filers report $200,000 or more.

2020 Population
624
Census ZCTA
County
Gillespie
FIPS 48171
Median income (est.)
$48,611
IRS SOI 2022
Land Area
46.515 mi²
+ 0.479 mi² water

01Location & Geography

Authoritative geographic identifiers from the U.S. Census Bureau, ANSI, and FIPS standards.

Primary CityStonewall, TX
CountyGillespie County (FIPS 48171)
StateTexas (FIPS 48)
Metro Area (MSA)Fredericksburg, TX Micro Area (23240)
Census Region / DivisionSouth Region · West South Central Division
Coordinates30.218956, -98.6299
Land / Water Area46.515 mi² land · 0.479 mi² water

02Income & Economics

Distribution of the 390 individual tax returns filed in 78671 by adjusted gross income bracket (IRS SOI, 2022).

< $25K
28.2%
$25K–$50K
23.1%
$50K–$75K
15.4%
$75K–$100K
10.3%
$100K–$200K
15.4%
$200K+
7.7%
The $200,000+ bracket accounts for 59% of 78671's total adjusted gross income, from 8% of returns — a concentration that drives the gap between the median ($48,611) and the average.
Estimated median = median adjusted gross income per tax return, interpolated from IRS SOI brackets. Differs from U.S. Census household income.

03Income Over Time

Year-over-year change in 78671's IRS income metrics, 2020–2022.

Median income (2021→2022)
$48,611
▼ 2.8%
Filers earning $200K+
7.7%
▼ 0.2 pt
Total filers
390
▲ 2.6%
GET /zipc/v2/zipcodes/78671/soi?year=… $42K 2020 $50K 2021 $49K 2022
Median = adjusted gross income per return, interpolated from IRS SOI brackets. Figures are nominal (not inflation-adjusted).

04Population Trend

Decennial U.S. Census population for the 78671 ZCTA.

2000
589
 
2010
654
▲ +11.0%
2020
624
▼ -4.6%

05USPS Postal Details

Delivery and facility attributes from the monthly USPS dataset.

ZIP ClassificationNon-Unique Zip
Facility TypePost Office
Carrier Route SortC
USPS Finance Number488670
City AliasesAlbert, Stonewall

06Frequently Asked Questions

What county is ZIP code 78671 in?

ZIP code 78671 is in Gillespie County, Texas (county FIPS code 48171).

What city is ZIP code 78671?

The primary USPS city for 78671 is Stonewall, TX.

What metro area (MSA) is 78671 in?

78671 is part of the Fredericksburg, TX Micro Area (MSA code 23240).

What is the population of ZIP code 78671?

The 2020 Census population of 78671 was 624 residents.

What is the median income in ZIP code 78671?

Based on IRS Statistics of Income data, the estimated median adjusted gross income per tax return in 78671 is about $48,611, with around 8% of filers reporting $200,000 or more. Note that adjusted gross income is a tax measure and differs from U.S. Census household income.