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US ZIP Code Profile

ZIP Code 79843
Marfa, Texas

ZIP code 79843 is in Marfa, located in Presidio County, Texas. Its 2020 Census population was 2,275. The estimated median adjusted gross income per tax return is $42,742, and about 5% of filers report $200,000 or more.

2020 Population
2,275
Census ZCTA
County
Presidio
FIPS 48377
Median income (est.)
$42,742
IRS SOI 2022
Land Area
1473.591 mi²
+ 0.604 mi² water

01Location & Geography

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

Primary CityMarfa, TX
CountyPresidio County (FIPS 48377)
StateTexas (FIPS 48)
Census Region / DivisionSouth Region · West South Central Division
Coordinates30.285295, -104.00576
Land / Water Area1473.591 mi² land · 0.604 mi² water

02Income & Economics

Distribution of the 1,120 individual tax returns filed in 79843 by adjusted gross income bracket (IRS SOI, 2022).

< $25K
30.4%
$25K–$50K
27.7%
$50K–$75K
16.1%
$75K–$100K
8.9%
$100K–$200K
11.6%
$200K+
5.4%
The $200,000+ bracket accounts for 43% of 79843's total adjusted gross income, from 5% of returns — a concentration that drives the gap between the median ($42,742) 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 79843's IRS income metrics, 2020–2022.

Median income (2021→2022)
$42,742
▲ 8.5%
Filers earning $200K+
5.4%
▲ 0.1 pt
Total filers
1,120
▼ 1.8%
GET /zipc/v2/zipcodes/79843/soi?year=… $36K 2020 $39K 2021 $43K 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 79843 ZCTA.

2000
2,670
 
2010
2,503
▼ -6.3%
2020
2,275
▼ -9.1%

05USPS Postal Details

Delivery and facility attributes from the monthly USPS dataset.

ZIP ClassificationNon-Unique Zip
Facility TypePost Office
Carrier Route SortC
USPS Finance Number485630
City AliasesMarfa, Shafter

06Frequently Asked Questions

What county is ZIP code 79843 in?

ZIP code 79843 is in Presidio County, Texas (county FIPS code 48377).

What city is ZIP code 79843?

The primary USPS city for 79843 is Marfa, TX.

What is the population of ZIP code 79843?

The 2020 Census population of 79843 was 2,275 residents.

What is the median income in ZIP code 79843?

Based on IRS Statistics of Income data, the estimated median adjusted gross income per tax return in 79843 is about $42,742, with around 5% of filers reporting $200,000 or more. Note that adjusted gross income is a tax measure and differs from U.S. Census household income.