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US ZIP Code Profile

ZIP Code 78614
Cost, Texas

ZIP code 78614 is in Cost, located in Gonzales County, Texas. Its 2020 Census population was 459. The estimated median adjusted gross income per tax return is $44,643.

2020 Population
459
Census ZCTA
County
Gonzales
FIPS 48177
Median income (est.)
$44,643
IRS SOI 2022
Land Area
50.4 mi²
+ 0.003 mi² water

01Location & Geography

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

Primary CityCost, TX
CountyGonzales County (FIPS 48177)
StateTexas (FIPS 48)
Census Region / DivisionSouth Region · West South Central Division
Coordinates29.410412, -97.587166
Land / Water Area50.4 mi² land · 0.003 mi² water

02Income & Economics

Distribution of the 250 individual tax returns filed in 78614 by adjusted gross income bracket (IRS SOI, 2022).

< $25K
28.0%
$25K–$50K
28.0%
$50K–$75K
16.0%
$75K–$100K
8.0%
$100K–$200K
20.0%
$200K+
0.0%
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 78614's IRS income metrics, 2020–2022.

Median income (2021→2022)
$44,643
▲ 2.0%
Filers earning $200K+
0.0%
▲ 0.0 pt
Total filers
250
▼ 3.8%
GET /zipc/v2/zipcodes/78614/soi?year=… $42K 2020 $44K 2021 $45K 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 78614 ZCTA.

2000
444
 
2010
456
▲ +2.7%
2020
459
▲ +0.7%

05USPS Postal Details

Delivery and facility attributes from the monthly USPS dataset.

ZIP ClassificationNon-Unique Zip
Facility TypePost Office
Carrier Route SortD
USPS Finance Number482050
City AliasesCost, Monthalia, Bebe

06Frequently Asked Questions

What county is ZIP code 78614 in?

ZIP code 78614 is in Gonzales County, Texas (county FIPS code 48177).

What city is ZIP code 78614?

The primary USPS city for 78614 is Cost, TX.

What is the population of ZIP code 78614?

The 2020 Census population of 78614 was 459 residents.

What is the median income in ZIP code 78614?

Based on IRS Statistics of Income data, the estimated median adjusted gross income per tax return in 78614 is about $44,643. Note that adjusted gross income is a tax measure and differs from U.S. Census household income.