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US ZIP Code Profile

ZIP Code 77865
Marquez, Texas

ZIP code 77865 is in Marquez, located in Leon County, Texas. Its 2020 Census population was 1,571. The estimated median adjusted gross income per tax return is $48,125, and about 5% of filers report $200,000 or more.

2020 Population
1,571
Census ZCTA
County
Leon
FIPS 48289
Median income (est.)
$48,125
IRS SOI 2022
Land Area
140.881 mi²
+ 0.474 mi² water

01Location & Geography

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

Primary CityMarquez, TX
CountyLeon County (FIPS 48289)
StateTexas (FIPS 48)
Census Region / DivisionSouth Region · West South Central Division
Coordinates31.235882, -96.22928
Land / Water Area140.881 mi² land · 0.474 mi² water

02Income & Economics

Distribution of the 830 individual tax returns filed in 77865 by adjusted gross income bracket (IRS SOI, 2022).

< $25K
27.7%
$25K–$50K
24.1%
$50K–$75K
16.9%
$75K–$100K
9.6%
$100K–$200K
16.9%
$200K+
4.8%
The $200,000+ bracket accounts for 23% of 77865's total adjusted gross income, from 5% of returns — a concentration that drives the gap between the median ($48,125) 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 77865's IRS income metrics, 2020–2022.

Median income (2021→2022)
$48,125
▲ 3.9%
Filers earning $200K+
4.8%
▲ 0.8 pt
Total filers
830
▲ 10.7%
GET /zipc/v2/zipcodes/77865/soi?year=… $43K 2020 $46K 2021 $48K 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 77865 ZCTA.

2000
1,517
 
2010
1,798
▲ +18.5%
2020
1,571
▼ -12.6%

05USPS Postal Details

Delivery and facility attributes from the monthly USPS dataset.

ZIP ClassificationNon-Unique Zip
Facility TypePost Office
Carrier Route SortC
USPS Finance Number485665
City AliasesMarquez, Vanetia

06Frequently Asked Questions

What county is ZIP code 77865 in?

ZIP code 77865 is in Leon County, Texas (county FIPS code 48289).

What city is ZIP code 77865?

The primary USPS city for 77865 is Marquez, TX.

What is the population of ZIP code 77865?

The 2020 Census population of 77865 was 1,571 residents.

What is the median income in ZIP code 77865?

Based on IRS Statistics of Income data, the estimated median adjusted gross income per tax return in 77865 is about $48,125, 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.