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US ZIP Code Profile

ZIP Code 79027
Dimmitt, Texas

ZIP code 79027 is in Dimmitt, located in Castro County, Texas. Its 2020 Census population was 4,899. The estimated median adjusted gross income per tax return is $39,009, and about 3% of filers report $200,000 or more.

2020 Population
4,899
Census ZCTA
County
Castro
FIPS 48069
Median income (est.)
$39,009
IRS SOI 2022
Land Area
301.49 mi²
+ 2.008 mi² water

01Location & Geography

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

Primary CityDimmitt, TX
CountyCastro County (FIPS 48069)
StateTexas (FIPS 48)
Census Region / DivisionSouth Region · West South Central Division
Coordinates34.408047, -102.41954
Land / Water Area301.49 mi² land · 2.008 mi² water

02Income & Economics

Distribution of the 1,870 individual tax returns filed in 79027 by adjusted gross income bracket (IRS SOI, 2022).

< $25K
32.6%
$25K–$50K
31.0%
$50K–$75K
18.7%
$75K–$100K
7.5%
$100K–$200K
7.5%
$200K+
2.7%
The $200,000+ bracket accounts for 27% of 79027's total adjusted gross income, from 3% of returns — a concentration that drives the gap between the median ($39,009) 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 79027's IRS income metrics, 2020–2022.

Median income (2021→2022)
$39,009
▲ 7.7%
Filers earning $200K+
2.7%
▲ 0.5 pt
Total filers
1,870
▲ 2.2%
GET /zipc/v2/zipcodes/79027/soi?year=… $34K 2020 $36K 2021 $39K 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 79027 ZCTA.

2000
5,337
 
2010
5,223
▼ -2.1%
2020
4,899
▼ -6.2%

05USPS Postal Details

Delivery and facility attributes from the monthly USPS dataset.

ZIP ClassificationNon-Unique Zip
Facility TypePost Office
Carrier Route SortC
USPS Finance Number482505
City AliasesDimmitt

06Frequently Asked Questions

What county is ZIP code 79027 in?

ZIP code 79027 is in Castro County, Texas (county FIPS code 48069).

What city is ZIP code 79027?

The primary USPS city for 79027 is Dimmitt, TX.

What is the population of ZIP code 79027?

The 2020 Census population of 79027 was 4,899 residents.

What is the median income in ZIP code 79027?

Based on IRS Statistics of Income data, the estimated median adjusted gross income per tax return in 79027 is about $39,009, with around 3% of filers reporting $200,000 or more. Note that adjusted gross income is a tax measure and differs from U.S. Census household income.