Get API Key →
US ZIP Code Profile

ZIP Code 78834
Carrizo Springs, Texas

ZIP code 78834 is in Carrizo Springs, located in Dimmit County, Texas. Its 2020 Census population was 7,061. The estimated median adjusted gross income per tax return is $35,714, and about 2% of filers report $200,000 or more.

2020 Population
7,061
Census ZCTA
County
Dimmit
FIPS 48127
Median income (est.)
$35,714
IRS SOI 2022
Land Area
556.713 mi²
+ 2.228 mi² water

01Location & Geography

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

Primary CityCarrizo Springs, TX
CountyDimmit County (FIPS 48127)
StateTexas (FIPS 48)
Census Region / DivisionSouth Region · West South Central Division
Coordinates28.454035, -99.91785
Land / Water Area556.713 mi² land · 2.228 mi² water

02Income & Economics

Distribution of the 3,040 individual tax returns filed in 78834 by adjusted gross income bracket (IRS SOI, 2022).

< $25K
38.2%
$25K–$50K
27.6%
$50K–$75K
15.1%
$75K–$100K
7.6%
$100K–$200K
9.2%
$200K+
2.3%
The $200,000+ bracket accounts for 22% of 78834's total adjusted gross income, from 2% of returns — a concentration that drives the gap between the median ($35,714) 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 78834's IRS income metrics, 2020–2022.

Median income (2021→2022)
$35,714
▲ 12.3%
Filers earning $200K+
2.3%
▲ 0.7 pt
Total filers
3,040
▼ 3.5%
GET /zipc/v2/zipcodes/78834/soi?year=… $30K 2020 $32K 2021 $36K 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 78834 ZCTA.

2000
7,602
 
2010
7,829
▲ +3.0%
2020
7,061
▼ -9.8%

05USPS Postal Details

Delivery and facility attributes from the monthly USPS dataset.

ZIP ClassificationNon-Unique Zip
Facility TypePost Office
Carrier Route SortC
USPS Finance Number481470
City AliasesBrundage, Carrizo Springs, Carrizo Spgs

06Frequently Asked Questions

What county is ZIP code 78834 in?

ZIP code 78834 is in Dimmit County, Texas (county FIPS code 48127).

What city is ZIP code 78834?

The primary USPS city for 78834 is Carrizo Springs, TX.

What is the population of ZIP code 78834?

The 2020 Census population of 78834 was 7,061 residents.

What is the median income in ZIP code 78834?

Based on IRS Statistics of Income data, the estimated median adjusted gross income per tax return in 78834 is about $35,714, with around 2% of filers reporting $200,000 or more. Note that adjusted gross income is a tax measure and differs from U.S. Census household income.