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US ZIP Code Profile

ZIP Code 75231
Dallas, Texas

ZIP code 75231 is in Dallas, located in Dallas County, Texas, within the Dallas-Fort Worth-Arlington metro area. Its 2020 Census population was 40,754. The estimated median adjusted gross income per tax return is $40,553, and about 9% of filers report $200,000 or more.

2020 Population
40,754
Census ZCTA
County
Dallas
FIPS 48113
Median income (est.)
$40,553
IRS SOI 2022
Land Area
5.637 mi²
+ 0.027 mi² water

01Location & Geography

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

Primary CityDallas, TX
CountyDallas County (FIPS 48113)
StateTexas (FIPS 48)
Metro Area (MSA)Dallas-Fort Worth-Arlington, TX Metro Area (19100)
Census Region / DivisionSouth Region · West South Central Division
Coordinates32.873493, -96.74756
Land / Water Area5.637 mi² land · 0.027 mi² water

02Income & Economics

Distribution of the 17,210 individual tax returns filed in 75231 by adjusted gross income bracket (IRS SOI, 2022).

< $25K
31.2%
$25K–$50K
30.2%
$50K–$75K
14.6%
$75K–$100K
6.5%
$100K–$200K
8.8%
$200K+
8.6%
The $200,000+ bracket accounts for 51% of 75231's total adjusted gross income, from 9% of returns — a concentration that drives the gap between the median ($40,553) 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 75231's IRS income metrics, 2020–2022.

Median income (2021→2022)
$40,553
▲ 7.4%
Filers earning $200K+
8.6%
▲ 0.8 pt
Total filers
17,210
▲ 0.2%
GET /zipc/v2/zipcodes/75231/soi?year=… $35K 2020 $38K 2021 $41K 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 75231 ZCTA.

2000
52,329
 
2010
37,052
▼ -29.2%
2020
40,754
▲ +10.0%

05Nearby ZIP Codes — Live Radius Search

Drag the slider to filter ZIP codes by distance from 75231. Powered by the same radius endpoint developers call from the API.

GET /zipc/v2/radius

ZIP codes within range of 75231

Dallas and its immediate neighbors, sorted by distance.

3 mi
GET /zipc/v2/distance

Distance from 75231 to any ZIP

Enter a 5-digit ZIP to calculate the distance.

06USPS Postal Details

Delivery and facility attributes from the monthly USPS dataset.

ZIP ClassificationNon-Unique Zip
Facility TypePost Office
Carrier Route SortD
USPS Finance Number482270
City AliasesDallas

07Frequently Asked Questions

What county is ZIP code 75231 in?

ZIP code 75231 is in Dallas County, Texas (county FIPS code 48113).

What city is ZIP code 75231?

The primary USPS city for 75231 is Dallas, TX.

What metro area (MSA) is 75231 in?

75231 is part of the Dallas-Fort Worth-Arlington, TX Metro Area (MSA code 19100).

What is the population of ZIP code 75231?

The 2020 Census population of 75231 was 40,754 residents.

What is the median income in ZIP code 75231?

Based on IRS Statistics of Income data, the estimated median adjusted gross income per tax return in 75231 is about $40,553, with around 9% of filers reporting $200,000 or more. Note that adjusted gross income is a tax measure and differs from U.S. Census household income.