Sebastian, TX · standard
ZIP Code 78594
Willacy County, Texas - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.
- 1,990
- 415/sq mi High-density area
- $23,307
- Median income Below-median income area
- $38,300
- Median home value Below-median home value
- 1.5%
- Bachelor's or higher Below-average bachelor's attainment
National ZIP placement
Sebastian pairs one of the lowest household incomes in the country with among the most affordable home values nationally, in a low-density, homeowner-dominated area.
- 1st pct
- household income, US ZIPs
- Lowest
- home value, US ZIPs
- 415
- people per sq mi
- 62%
- owner-occupied homes
Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 78594 against every reporting US ZIP.
ZIP code 78594 covers 4.8 square miles in Sebastian, Willacy County, Texas (a standard USPS delivery area), with a modest 1,990 residents on file, a density of 415 people per square mile, in the Chicago time zone.
ZIP 78594 sits on the lower end of the income spectrum: median household income is $23,307 (69% below the average Texas ZIP), while per-capita income is $14,671. Economic pressure is pronounced: 46.3% of residents are below the poverty line and unemployment is 12.2%. Home values sit below the statewide ZIP benchmark: the median is $38,300 (85% below the average Texas ZIP), and median rent is $326; owner occupancy is 62.2%.
Formal educational attainment runs low here: just 1.5% of adults hold a bachelor's degree or higher, the median age is 41, and the average commute is -. The page also surfaces 7 ZIP codes within roughly 10 miles and 5 more in Willacy County, so 78594 can be compared with both its immediate and county-level context.
Every figure on this page is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates (including median rent) and the FHFA House Price Index, no estimates, no proprietary scoring. Verify with Census →
Source: U.S. Census Bureau, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + FHFA HPI ACS demographics and median rent, ZBP business establishments, FHFA HPI for ZIP 78594, Sebastian, TX · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; FHFA HPI updated quarterly/annually.
Quick Facts
1,990
Population
4.8
Area (sq mi)
415
People / sq mi
Chicago
Time Zone
standard
ZIP Type
Who lives in ZIP 78594?
41.0
Median Age
42.9%
Male
57.1%
Female
18.8%
Foreign-Born
Hispanic or Latino is an ethnicity category from the Census Bureau and may overlap with other categories above.
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
How much do residents earn?
$23,307
Median Household Income
-69% vs state ZIP avg
$14,671
Per Capita Income
46.3%
Poverty Rate
12.2%
Unemployment Rate
How ZIP 78594 ranks among Texas ZIPs
Sebastian, TX household income vs. every Texas ZIP code
Median household income among 1,737 reporting Texas ZIPs (this ZIP's population is too small for a reliable national-corpus placement)
$23,307 0th percentile higher than 0% of 1,737 Texas ZIPs
Each bar is a $20K-wide band; taller bars hold more Texas ZIPs. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.
Source U.S. Census Bureau, ACS 5-Year Estimates · 2019–2023
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What is the education profile here?
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What does housing look like?
Housing stock: occupied vs vacant
559housing units
559
Total Housing Units
495
Occupied Units
64
Vacant Units
2.44
Avg Household Size
Occupancy Type
$38,300
Median Home Value
-85% vs state ZIP avg
$326
Median Rent
1991
Median Year Built
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What businesses operate in this ZIP?
Census Bureau data shows 3 business establishments in ZIP 78594, employing approximately 14 people with a combined annual payroll of $251,000.
3
Businesses
14
Employees
$251K
Annual Payroll
0
Industry Sectors
Source: U.S. Census Bureau, ZIP Code Business Patterns (ZBP), 2023. Employment figures may include noise for disclosure avoidance.
Nearby ZIP Codes
Want a side-by-side? Compare 78594 vs 78569 →
ZIP 78594 vs its nearest neighbors, by population
Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 78550
Harlingen (78550)
53,152 residents
- 78580 14,963
Raymondville (78580)
14,963 residents
- 78593 6,324
Santa Rosa (78593)
6,324 residents
- 78569 4,039
Lyford (78569)
4,039 residents
- 78562 2,868
La Villa (78562)
2,868 residents
- 78594 1,990
Sebastian (78594)
1,990 residents
- 78561 779
Lasara (78561)
779 residents
- 78535 581
Combes (78535)
581 residents
What this shows Among its immediate neighbors, ZIP 78594 ranks #6 by population - useful context the national average alone can't give.
ZIP 78594 vs its nearest neighbors, by median income
Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 78561
Lasara (78561)
$102,528 median income
- 78569
Lyford (78569)
$58,950 median income
- 78580
Raymondville (78580)
$53,841 median income
- 78550
Harlingen (78550)
$49,007 median income
- 78593
Santa Rosa (78593)
$48,649 median income
- 78535 $39,000
Combes (78535)
$39,000 median income
- 78562 $31,522
La Villa (78562)
$31,522 median income
- 78594 $23,307
Sebastian (78594)
$23,307 median income
What this shows By household income, ZIP 78594 ranks #8 of 8 neighboring ZIPs, local affluence varies block to block, not just metro to metro.
Nationwide ZIPs with similar ACS profiles
Two Census-derived peer sets for ZIP 78594, both outside TX so the neighborhoods are not geographic containment (Nearby and same-county blocks stay local).
Similar population
Nearest cross-state ZIPs by resident population (1,990 here; floor ≥1,000).
Similar median household income
Nearest cross-state ZIPs by ACS median household income.
More ZIP Codes in Willacy County
Related Areas
Frequently Asked Questions
What county is ZIP code 78594 in?
ZIP code 78594 (Sebastian) is located in Willacy County, Texas. Willacy County contains multiple ZIP codes, see the full list at /counties/willacy-tx.
What is the population of ZIP code 78594?
ZIP code 78594 in Sebastian, TX has a population of 1,990 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 78594?
The median household income in ZIP 78594 is $23,307, which is 69% below the national average of $76,288.
What is the average home value in ZIP 78594?
The median home value in ZIP 78594 is $38,300, which is 86% below the national average of $278,155.
What is the demographic makeup of ZIP 78594?
The largest racial group in ZIP 78594 is Two or More Ethnicities at 54.4%. Hispanic or Latino residents make up 100.0% of the population.
How many businesses are in ZIP code 78594?
ZIP code 78594 has 3 business establishments employing approximately 14 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What is the education level in ZIP code 78594?
In ZIP code 78594, 34.4% of residents aged 25+ have a high school diploma or higher, and 1.5% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
What percentage of residents own vs. rent in ZIP 78594?
In ZIP code 78594, approximately 62.2% of occupied housing units are owner-occupied and 37.8% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 78594?
The poverty rate in ZIP code 78594 is 46.3% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.
Related
Take this with you
What to do with ZIP 78594's numbers, next.
- See how ZIP 78594 compares to a neighboring ZIP code on the same Census fields Compare this ZIP
- Check where Sebastian, TX ranks among every U.S. ZIP code on income, education, or homeownership View national rankings
- Save this ZIP to your shortlist to track alongside others you're considering View your shortlist
ZIP Code Tabulation Areas (ZCTAs) are Census Bureau approximations of USPS ZIP codes; figures describe the ZCTA area, not any single address within it.