ZIP Code Tabulation Area · Texas

ZIP Code 78594: Sebastian, TX

ZIP Code 78594 (Sebastian, Willacy County, Texas) has an estimated 1,206 residents in 495 households. The median household income is $23,307, the median home value is $38,300 and the median gross rent is $326/mo. Figures are U.S. Census Bureau American Community Survey 2020–2024 5-year estimates for the matching ZIP Code Tabulation Area.

American Community Survey 2020–2024 5-year estimates · Updated Oct 26, 2026

Some estimates have a large margin of error. 5 figures for this ZIP (poverty rate, unemployment, owner-occupied, commute, work from home) are marked with *. ACS figures come from a sample, and small areas have fewer responses, so treat these numbers as rough ranges.

Total population

1,206

Margin of error ±311

Median household income

$23,307

Margin of error ±$7,165

Median home value

$38,300

Margin of error ±$9,159

Median gross rent

$326/mo

Margin of error ±$155

Median age

41.0 yrs

Margin of error ±11.5 yrs

Mean travel time to work

23.6 min*

Margin of error ±18.5 min· estimate has a large margin of error

How ZIP 78594 compares with Texas and the U.S.

State and national figures are the Census Bureau's own estimates for those areas from the same ACS release, not averages of ZIP codes.

Median age

ZIP 7859441.0 yrsTexas35.6 yrsUnited States38.9 yrs

Median household income

ZIP 78594$23,307Texas$78,476United States$80,734

Per capita income

ZIP 78594$14,671Texas$40,752United States$44,673

Poverty rate

ZIP 7859446.3%*Texas13.8%United States12.5%

Unemployment rate

ZIP 7859412.2%*Texas5.3%United States5.2%

Bachelor's degree or higher

ZIP 785941.5%Texas33.8%United States35.7%

Median home value

ZIP 78594$38,300Texas$283,800United States$332,700

Median gross rent

ZIP 78594$326/moTexas$1,403/moUnited States$1,413/mo

Owner-occupied homes

ZIP 7859462.2%*Texas62.6%United States65.2%

Mean travel time to work

ZIP 7859423.6 min*Texas26.7 minUnited States26.4 min

Worked from home

ZIP 7859425.3%*Texas14.4%United States15.1%

All figures for ZIP 78594

Each estimate has a 90% margin of error: the true value is likely within that range. * marks estimates with a large margin of error (a coefficient of variation above 30%, or ±10 percentage points or more for rates).

ZIP 78594 — ACS 2020–2024 5-year estimates
Measure	ZIP 78594	Margin of error	Texas	United States
Total population	1,206	±311	30,188,424	334,922,499
Median age	41.0 yrs	±11.5 yrs	35.6 yrs	38.9 yrs
Households	495	±116	10,992,816	129,227,496
Median household income	$23,307	±$7,165	$78,476	$80,734
Per capita income	$14,671	±$3,929	$40,752	$44,673
Poverty rate	46.3%*	±20.1 pts	13.8%	12.5%
Unemployment rate	12.2%*	±14.9 pts	5.3%	5.2%
Bachelor's degree or higher	1.5%	±3.6 pts	33.8%	35.7%
Median home value	$38,300	±$9,159	$283,800	$332,700
Median gross rent	$326/mo	±$155	$1,403/mo	$1,413/mo
Owner-occupied homes	62.2%*	±12.2 pts	62.6%	65.2%
Mean travel time to work	23.6 min*	±18.5 min	26.7 min	26.4 min
Worked from home	25.3%*	±18.9 pts	14.4%	15.1%

Race and Hispanic or Latino origin

Shares of the total population by the Census Bureau's race and Hispanic or Latino origin categories (table B03002), listed in the Census Bureau's order. People self-identify on the survey.

Population by race and Hispanic or Latino origin, ZIP 78594
Group	ZIP 78594	Texas	United States
White alone, not Hispanic or Latino	0.0%	39.1%	57.4%
Black or African American alone, not Hispanic or Latino	0.0%	11.9%	11.9%
American Indian and Alaska Native alone, not Hispanic or Latino	0.0%	0.1%	0.5%
Asian alone, not Hispanic or Latino	0.0%	5.5%	5.9%
Native Hawaiian and Other Pacific Islander alone, not Hispanic or Latino	0.0%	0.1%	0.2%
Some other race alone, not Hispanic or Latino	0.0%	0.4%	0.6%
Two or more races, not Hispanic or Latino	0.0%	3.1%	4.3%
Hispanic or Latino (of any race)	100.0%	39.7%	19.3%

Where ZIP 78594 is

State: Texas
Main county: Willacy County
Largest overlapping place: Sebastian (53% of the ZIP's land area)
Land area: 3.17 sq mi· about 380 people per sq mi

County and place names come from the Census Bureau's 2020 ZCTA relationship files. A ZIP code's mailing city, set by the U.S. Postal Service, can differ from these names.

Other ZIP codes in Willacy County

78561 Lasara, TX 78569 Willacy County, TX 78580 Willacy County, TX 78590 San Perlita, TX 78598 Port Mansfield, TX

See every ZIP code in Texas, or compare ZIP 78594 with another ZIP code.

Census figures describe residents as a group and cannot tell you about any one home or street. For a specific address, check local government and housing records.

About ZIP codes and ZCTAs: the Census Bureau publishes statistics for ZIP Code Tabulation Areas, which approximate USPS ZIP code delivery areas. Learn how they differ.

Sources

U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, detailed tables B01003, B01002, B11001, B19013, B19301, B17001, B23025, B15003, B25077, B25064, B25003, B08013, B08303, B08301, B03002 — snapshot Oct 26, 2026.
U.S. Census Bureau, 2020 ZCTA5 relationship files (county and place).
Data: U.S. Census Bureau, American Community Survey 5-year estimates (detailed tables) and 2020 Census ZCTA relationship files. This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau. These agencies do not endorse OpenZIP.