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US ZIP Code Profile

ZIP Code 78949
Muldoon, Texas

ZIP code 78949 is in Muldoon, located in Fayette County, Texas. Its 2020 Census population was 529. The estimated median adjusted gross income per tax return is $68,750, and about 12% of filers report $200,000 or more.

2020 Population
529
Census ZCTA
County
Fayette
FIPS 48149
Median income (est.)
$68,750
IRS SOI 2022
Land Area
79.698 mi²
+ 0.111 mi² water

01Location & Geography

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

Primary CityMuldoon, TX
CountyFayette County (FIPS 48149)
StateTexas (FIPS 48)
Census Region / DivisionSouth Region · West South Central Division
Coordinates29.833195, -97.0874
Land / Water Area79.698 mi² land · 0.111 mi² water

02Income & Economics

Distribution of the 260 individual tax returns filed in 78949 by adjusted gross income bracket (IRS SOI, 2022).

< $25K
19.2%
$25K–$50K
19.2%
$50K–$75K
15.4%
$75K–$100K
11.5%
$100K–$200K
23.1%
$200K+
11.5%
The $200,000+ bracket accounts for 46% of 78949's total adjusted gross income, from 12% of returns — a concentration that drives the gap between the median ($68,750) 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 78949's IRS income metrics, 2020–2022.

Median income (2021→2022)
$68,750
▲ 3.1%
Filers earning $200K+
11.5%
▲ 3.2 pt
Total filers
260
▲ 8.3%
GET /zipc/v2/zipcodes/78949/soi?year=… $56K 2020 $67K 2021 $69K 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 78949 ZCTA.

2000
529
 
2010
517
▼ -2.3%
2020
529
▲ +2.3%

05USPS Postal Details

Delivery and facility attributes from the monthly USPS dataset.

ZIP ClassificationNon-Unique Zip
Facility TypeNon-Postal Community Name, former postal facility or place name
Carrier Route SortC
USPS Finance Number483110
City AliasesStellar, Muldoon

06Frequently Asked Questions

What county is ZIP code 78949 in?

ZIP code 78949 is in Fayette County, Texas (county FIPS code 48149).

What city is ZIP code 78949?

The primary USPS city for 78949 is Muldoon, TX.

What is the population of ZIP code 78949?

The 2020 Census population of 78949 was 529 residents.

What is the median income in ZIP code 78949?

Based on IRS Statistics of Income data, the estimated median adjusted gross income per tax return in 78949 is about $68,750, with around 12% of filers reporting $200,000 or more. Note that adjusted gross income is a tax measure and differs from U.S. Census household income.