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US ZIP Code Profile

ZIP Code 75551
Atlanta, Texas

ZIP code 75551 is in Atlanta, located in Cass County, Texas. Its 2020 Census population was 10,372. The estimated median adjusted gross income per tax return is $41,779, and about 4% of filers report $200,000 or more.

2020 Population
10,372
Census ZCTA
County
Cass
FIPS 48067
Median income (est.)
$41,779
IRS SOI 2022
Land Area
165.053 mi²
+ 6.939 mi² water

01Location & Geography

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

Primary CityAtlanta, TX
CountyCass County (FIPS 48067)
StateTexas (FIPS 48)
Census Region / DivisionSouth Region · West South Central Division
Coordinates33.11933, -94.22049
Land / Water Area165.053 mi² land · 6.939 mi² water

02Income & Economics

Distribution of the 4,390 individual tax returns filed in 75551 by adjusted gross income bracket (IRS SOI, 2022).

< $25K
33.0%
$25K–$50K
25.3%
$50K–$75K
15.0%
$75K–$100K
10.0%
$100K–$200K
13.0%
$200K+
3.6%
The $200,000+ bracket accounts for 21% of 75551's total adjusted gross income, from 4% of returns — a concentration that drives the gap between the median ($41,779) 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 75551's IRS income metrics, 2020–2022.

Median income (2021→2022)
$41,779
▲ 7.7%
Filers earning $200K+
3.6%
▲ 0.3 pt
Total filers
4,390
▼ 2.2%
GET /zipc/v2/zipcodes/75551/soi?year=… $37K 2020 $39K 2021 $42K 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 75551 ZCTA.

2000
11,345
 
2010
11,007
▼ -3.0%
2020
10,372
▼ -5.8%

05USPS Postal Details

Delivery and facility attributes from the monthly USPS dataset.

ZIP ClassificationNon-Unique Zip
Facility TypePost Office
Carrier Route SortD
USPS Finance Number480400
City AliasesAtlanta, Galloway, Ofarrell, Smyrna

06Frequently Asked Questions

What county is ZIP code 75551 in?

ZIP code 75551 is in Cass County, Texas (county FIPS code 48067).

What city is ZIP code 75551?

The primary USPS city for 75551 is Atlanta, TX.

What is the population of ZIP code 75551?

The 2020 Census population of 75551 was 10,372 residents.

What is the median income in ZIP code 75551?

Based on IRS Statistics of Income data, the estimated median adjusted gross income per tax return in 75551 is about $41,779, with around 4% of filers reporting $200,000 or more. Note that adjusted gross income is a tax measure and differs from U.S. Census household income.