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US ZIP Code Profile

ZIP Code 78151
Runge, Texas

ZIP code 78151 is in Runge, located in Karnes County, Texas. Its 2020 Census population was 1,299. The estimated median adjusted gross income per tax return is $44,231, and about 11% of filers report $200,000 or more.

2020 Population
1,299
Census ZCTA
County
Karnes
FIPS 48255
Median income (est.)
$44,231
IRS SOI 2022
Land Area
104.466 mi²
+ 0.45 mi² water

01Location & Geography

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

Primary CityRunge, TX
CountyKarnes County (FIPS 48255)
StateTexas (FIPS 48)
Census Region / DivisionSouth Region · West South Central Division
Coordinates28.864483, -97.70528
Land / Water Area104.466 mi² land · 0.45 mi² water

02Income & Economics

Distribution of the 560 individual tax returns filed in 78151 by adjusted gross income bracket (IRS SOI, 2022).

< $25K
32.1%
$25K–$50K
23.2%
$50K–$75K
16.1%
$75K–$100K
8.9%
$100K–$200K
8.9%
$200K+
10.7%
The $200,000+ bracket accounts for 70% of 78151's total adjusted gross income, from 11% of returns — a concentration that drives the gap between the median ($44,231) 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 78151's IRS income metrics, 2020–2022.

Median income (2021→2022)
$44,231
▲ 10.6%
Filers earning $200K+
10.7%
▲ 3.6 pt
Total filers
560
▲ 0.0%
GET /zipc/v2/zipcodes/78151/soi?year=… $38K 2020 $40K 2021 $44K 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 78151 ZCTA.

2000
1,465
 
2010
1,347
▼ -8.1%
2020
1,299
▼ -3.6%

05USPS Postal Details

Delivery and facility attributes from the monthly USPS dataset.

ZIP ClassificationNon-Unique Zip
Facility TypePost Office
Carrier Route SortD
USPS Finance Number487860
City AliasesRunge

06Frequently Asked Questions

What county is ZIP code 78151 in?

ZIP code 78151 is in Karnes County, Texas (county FIPS code 48255).

What city is ZIP code 78151?

The primary USPS city for 78151 is Runge, TX.

What is the population of ZIP code 78151?

The 2020 Census population of 78151 was 1,299 residents.

What is the median income in ZIP code 78151?

Based on IRS Statistics of Income data, the estimated median adjusted gross income per tax return in 78151 is about $44,231, with around 11% of filers reporting $200,000 or more. Note that adjusted gross income is a tax measure and differs from U.S. Census household income.