ZIP Code 78340

standard

Source:

Bayside · Refugio County · Texas

Population
379

7/sq mi

Median income
$54,000

▼ 29% vs US

higher than 20% of US ZIPs

Median home value
$162,900

▼ 41% vs US

higher than 31% of US ZIPs

Bachelor's or higher
10.5%

Median age 58.6

Land area
55.7 sq mi

Chicago

ZIP code 78340 in Bayside, Texas has a population of 379. The median household income is $54,000, which is 29% below the national average. Median home value is $162,900, 41% below the US average. 10.5% of residents hold a bachelor's degree or higher.

ZIP code 78340 is classified by USPS as a standard delivery area and covers roughly 55.7 square miles in Bayside, Refugio County, Texas. The area is home to 379 residents, producing a population density of 7 people per square mile, and falls within the Chicago time zone. These USPS and Census boundary values drive every downstream statistic on this page, including the benchmarks that compare 78340 against Texas and the nation.

On the economic side, the median household income for ZIP 78340 sits at $54,000 (29% below the Texas average), while per-capita income is $28,600. The poverty rate stands at 9.5% and the unemployment rate at 0.9%. On housing, the median home value is $162,900 (34% below the state average) with median rent at $1,875 per month, and 93.3% of occupied units are owner-occupied, a direct signal of whether 78340 behaves more like a homeowner neighborhood or a renter-heavy ZIP.

Education and household profile round out the picture: 10.5% of adults hold a bachelor's degree or higher, the median age is 58.6, and the average commute is . We also surface 1 nearby ZIP codes within roughly 10 miles and 4 additional ZIPs sharing Refugio County, so you can benchmark 78340 against its immediate geography rather than a national average alone. Every figure is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates, HUD Fair Market Rents, and FHFA Home Price Index data, no estimates, no proprietary scoring. Verify with HUD →

Source: U.S. Census Bureau, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + HUD FMR + FHFA HPI ACS demographics, ZBP business establishments, HUD Fair Market Rents, FHFA HPI for ZIP 78340, Bayside, TX · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; HUD FMR + FHFA HPI updated quarterly/annually.

Quick Facts

379

Population

55.7

Area (sq mi)

7

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 78340?

58.6

Median Age

48.6%

Male

51.4%

Female

0.0%

Foreign-Born

White 66.4%
African American 0.0%
Asian 0.0%
American Indian or Alaska Native 0.0%
Native Hawaiian or Pacific Islander 0.0%
Two or More Ethnicities 21.5%
Hispanic or Latino 33.6%

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?

$54,000

Median Household Income

-29% vs state

$28,600

Per Capita Income

9.5%

Poverty Rate

0.9%

Unemployment Rate

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

What is the education profile here?

High School Graduate or Higher 39.2%
Bachelor's Degree or Higher 10.5%

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

What does housing look like?

338

Total Housing Units

238

Occupied Units

100

Vacant Units

1.91

Avg Household Size

Occupancy Type

Owner 93.3%
Renter 6.7%

$162,900

Median Home Value

-34% vs state

$1,875

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 3 business establishments in ZIP 78340, employing approximately 6 people with a combined annual payroll of $198,000.

3

Businesses

6

Employees

$198K

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 78340 vs 78390 →

ZIP Code City Population Distance
78390 Taft, TX 5,616 11.3 mi

More ZIP Codes in Refugio County

Frequently Asked Questions

What county is ZIP code 78340 in?
ZIP code 78340 (Bayside) is located in Refugio County, Texas. Refugio County contains multiple ZIP codes, see the full list at /counties/refugio-tx.
What is the population of ZIP code 78340?
ZIP code 78340 in Bayside, TX has a population of 379 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 78340?
The median household income in ZIP 78340 is $54,000, which is 29% below the national average of $76,288.
What is the average home value in ZIP 78340?
The median home value in ZIP 78340 is $162,900, which is 41% below the national average of $278,155.
What is the demographic makeup of ZIP 78340?
The largest racial group in ZIP 78340 is White at 66.4%. Hispanic or Latino residents make up 33.6% of the population.
How many businesses are in ZIP code 78340?
ZIP code 78340 has 3 business establishments employing approximately 6 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What is the education level in ZIP code 78340?
In ZIP code 78340, 39.2% of residents aged 25+ have a high school diploma or higher, and 10.5% 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 78340?
In ZIP code 78340, approximately 93.3% of occupied housing units are owner-occupied and 6.7% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 78340?
The poverty rate in ZIP code 78340 is 9.5% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.

ZIP Code Research Guides

Official Data Resources for Bayside, TX

Verify and explore additional data for this area using these official government sources.

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023). Business data: Source: Census ZIP Code Business Patterns (ZBP) 2023. Home value trends: Source: FHFA House Price Index (HPI), Five-Digit ZIP Codes.

PlainZIP is not affiliated with the U.S. Census Bureau or any government agency.