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US ZIP Code Profile

ZIP Code 78377
Refugio, Texas

ZIP code 78377 is in Refugio, located in Refugio County, Texas. Its 2020 Census population was 3,547. The estimated median adjusted gross income per tax return is $38,415, and about 3% of filers report $200,000 or more.

2020 Population
3,547
Census ZCTA
County
Refugio
FIPS 48391
Median income (est.)
$38,415
IRS SOI 2022
Land Area
458.85 mi²
+ 17.967 mi² water

01Location & Geography

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

Primary CityRefugio, TX
CountyRefugio County (FIPS 48391)
StateTexas (FIPS 48)
Census Region / DivisionSouth Region · West South Central Division
Coordinates28.322117, -97.162476
Land / Water Area458.85 mi² land · 17.967 mi² water

02Income & Economics

Distribution of the 1,520 individual tax returns filed in 78377 by adjusted gross income bracket (IRS SOI, 2022).

< $25K
35.5%
$25K–$50K
27.0%
$50K–$75K
13.2%
$75K–$100K
8.6%
$100K–$200K
12.5%
$200K+
3.3%
The $200,000+ bracket accounts for 23% of 78377's total adjusted gross income, from 3% of returns — a concentration that drives the gap between the median ($38,415) 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 78377's IRS income metrics, 2020–2022.

Median income (2021→2022)
$38,415
▲ 2.4%
Filers earning $200K+
3.3%
▲ 0.6 pt
Total filers
1,520
▲ 1.3%
GET /zipc/v2/zipcodes/78377/soi?year=… $36K 2020 $38K 2021 $38K 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 78377 ZCTA.

2000
3,925
 
2010
3,821
▼ -2.6%
2020
3,547
▼ -7.2%

05USPS Postal Details

Delivery and facility attributes from the monthly USPS dataset.

ZIP ClassificationNon-Unique Zip
Facility TypePost Office
Carrier Route SortC
USPS Finance Number487525
City AliasesRefugio

06Frequently Asked Questions

What county is ZIP code 78377 in?

ZIP code 78377 is in Refugio County, Texas (county FIPS code 48391).

What city is ZIP code 78377?

The primary USPS city for 78377 is Refugio, TX.

What is the population of ZIP code 78377?

The 2020 Census population of 78377 was 3,547 residents.

What is the median income in ZIP code 78377?

Based on IRS Statistics of Income data, the estimated median adjusted gross income per tax return in 78377 is about $38,415, 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.