PlainZIP

Grulla, TX · standard

ZIP Code 78548

Starr County, Texas - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.

675
67/sq mi
$37,308
Median income
$54,400
Median home value
1.0%
Bachelor's or higher

The verdict

Grulla pairs one of the lowest household incomes in the country with among the most affordable home values nationally, in a rural, homeowner-dominated area.

4th pct
household income, US ZIPs
1th pct
home value, US ZIPs
67
people per sq mi
85%
owner-occupied homes

Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 78548 against every reporting US ZIP.

ZIP code 78548 is a sparsely populated ZIP (a standard USPS delivery area) in Grulla, Starr County, Texas, home to just 675 residents across 10.1 square miles, a density of 67 people per square mile, in the Chicago time zone.

ZIP 78548 sits on the lower end of the income spectrum: median household income is $37,308 (51% below the Texas average), while per-capita income is $16,145. The poverty rate stands at 19.2% and the unemployment rate at 9.0%. Median home value sits at $54,400 (78% below the state average), median rent at $791 a month, and owner-occupancy at 85.4%.

Formal educational attainment runs low here: just 1.0% of adults hold a bachelor's degree or higher, the median age is 29.8, and the average commute is -. A geography-based comparison follows: 2 ZIP codes within about 10 miles of 78548, plus 6 more within Starr County, give a clearer read than the national average alone.

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 78548, Grulla, 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

675

Population

10.1

Area (sq mi)

67

People / sq mi

Chicago

Time Zone

standard

ZIP Type

Neighborhood Scorecard
Get an A-F grade across income, safety, housing, rent, education, commute, and childcare for this ZIP code.
View Scorecard →

Who lives in ZIP 78548?

29.8

Median Age

43.0%

Male

57.0%

Female

15.1%

Foreign-Born

White 11.6%
African American 12.5%
Asian 0.0%
American Indian or Alaska Native 0.0%
Native Hawaiian or Pacific Islander 0.0%
Two or More Ethnicities 73.2%
Hispanic or Latino 87.5%

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?

$37,308

Median Household Income

-51% vs state

$16,145

Per Capita Income

19.2%

Poverty Rate

9.0%

Unemployment Rate

How ZIP 78548 ranks nationally

Grulla, TX household income vs. every US ZIP code

Median household income, the full national distribution, with this ZIP marked

$37,308 4th percentile higher than 4% of 30,318 US ZIPs

$0–$20,000: 118 US ZIPs (0%). Below this entry. $20,000–$40,000: 1,573 US ZIPs (5%). This entry sits in this band. $40,000–$60,000: 7,092 US ZIPs (23%). Above this entry. $60,000–$80,000: 9,980 US ZIPs (33%). Above this entry. $80,000–$100,000: 5,778 US ZIPs (19%). Above this entry. $100,000–$120,000: 2,855 US ZIPs (9%). Above this entry. $120,000–$140,000: 1,362 US ZIPs (4%). Above this entry. $140,000–$160,000: 686 US ZIPs (2%). Above this entry. $160,000–$180,000: 364 US ZIPs (1%). Above this entry. $180,000–$200,000: 186 US ZIPs (1%). Above this entry. $200,000–$220,000: 324 US ZIPs (1%). Above this entry. This ZIP $0 $200K+ every reporting US ZIP, bucketed by value

Each bar is a $20K-wide band; taller bars hold more US 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?

High School Graduate or Higher 38.9%
Bachelor's Degree or Higher 1.0%

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What does housing look like?

528

Total Housing Units

410

Occupied Units

118

Vacant Units

3.27

Avg Household Size

Occupancy Type

Owner 85.4%
Renter 14.6%

$54,400

Median Home Value

-78% vs state

$791

Median Rent

1988

Median Year Built

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What businesses operate in this ZIP?

Census Bureau data shows 6 business establishments in ZIP 78548, employing approximately 151 people with a combined annual payroll of $4,347,000.

6

Businesses

151

Employees

$4.3M

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 78548 vs 78595 →

ZIP 78548 vs its nearest neighbors, by population

Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.

residents

What this shows Among its immediate neighbors, ZIP 78548 ranks #2 by population - useful context the national average alone can't give.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023
ZIP Code City Population Distance
78595 Sullivan City, TX 6,082 6.9 mi
78565 Los Ebanos, TX 402 6.6 mi

More ZIP Codes in Starr County

78582 standard
Rio Grande City, TX
Pop: 40,455
78584 standard
Roma, TX
Pop: 18,128
78545 standard
Falcon Heights, TX
Pop: 555
78536 standard
Delmita, TX
Pop: 451
78585 standard
Salineno, TX
Pop: 396
78591 standard
Santa Elena, TX
Pop: 265

Related Areas

Starr County Grulla, TX Texas

Frequently Asked Questions

What county is ZIP code 78548 in? ▼
ZIP code 78548 (Grulla) is located in Starr County, Texas. Starr County contains multiple ZIP codes, see the full list at /counties/starr-tx.
What is the population of ZIP code 78548? ▼
ZIP code 78548 in Grulla, TX has a population of 675 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 78548? ▼
The median household income in ZIP 78548 is $37,308, which is 51% below the national average of $76,288.
What is the average home value in ZIP 78548? ▼
The median home value in ZIP 78548 is $54,400, which is 80% below the national average of $278,155.
What is the demographic makeup of ZIP 78548? ▼
The largest racial group in ZIP 78548 is Two or More Ethnicities at 73.2%. Hispanic or Latino residents make up 87.5% of the population.
How many businesses are in ZIP code 78548? ▼
ZIP code 78548 has 6 business establishments employing approximately 151 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What is the education level in ZIP code 78548? ▼
In ZIP code 78548, 38.9% of residents aged 25+ have a high school diploma or higher, and 1.0% 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 78548? ▼
In ZIP code 78548, approximately 85.4% of occupied housing units are owner-occupied and 14.6% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 78548? ▼
The poverty rate in ZIP code 78548 is 19.2% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.

Read our methodology to see how this data is sourced, computed, and verified.