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US ZIP Code Profile

ZIP Code 75566
Marietta, Texas

ZIP code 75566 is in Marietta, located in Cass County, Texas. Its 2020 Census population was 676. The estimated median adjusted gross income per tax return is $34,722.

2020 Population
676
Census ZCTA
County
Cass
FIPS 48067
Median income (est.)
$34,722
IRS SOI 2022
Land Area
47.899 mi²
+ 0 mi² water

01Location & Geography

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

Primary CityMarietta, TX
CountyCass County (FIPS 48067)
StateTexas (FIPS 48)
Census Region / DivisionSouth Region · West South Central Division
Coordinates33.148174, -94.49175
Land / Water Area47.899 mi² land · 0 mi² water

02Income & Economics

Distribution of the 330 individual tax returns filed in 75566 by adjusted gross income bracket (IRS SOI, 2022).

< $25K
39.4%
$25K–$50K
27.3%
$50K–$75K
15.2%
$75K–$100K
6.1%
$100K–$200K
12.1%
$200K+
0.0%
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 75566's IRS income metrics, 2020–2022.

Median income (2021→2022)
$34,722
▼ 3.8%
Filers earning $200K+
0.0%
▲ 0.0 pt
Total filers
330
▲ 3.1%
GET /zipc/v2/zipcodes/75566/soi?year=… $35K 2020 $36K 2021 $35K 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 75566 ZCTA.

2000
786
 
2010
782
▼ -0.5%
2020
676
▼ -13.6%

05USPS Postal Details

Delivery and facility attributes from the monthly USPS dataset.

ZIP ClassificationNon-Unique Zip
Facility TypePost Office
Carrier Route SortC
USPS Finance Number485640
City AliasesMarietta

06Frequently Asked Questions

What county is ZIP code 75566 in?

ZIP code 75566 is in Cass County, Texas (county FIPS code 48067).

What city is ZIP code 75566?

The primary USPS city for 75566 is Marietta, TX.

What is the population of ZIP code 75566?

The 2020 Census population of 75566 was 676 residents.

What is the median income in ZIP code 75566?

Based on IRS Statistics of Income data, the estimated median adjusted gross income per tax return in 75566 is about $34,722. Note that adjusted gross income is a tax measure and differs from U.S. Census household income.