PlainZIP

Portland, TX · standard

ZIP Code 78374

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

16,620
135/sq mi
$83,504
Median income
$233,800
Median home value
25.7%
Bachelor's or higher

The verdict

Portland pairs an above-median household income with above-median home values, in a rural, homeowner-dominated area.

Top 34%
household income, US ZIPs
Top 47%
home value, US ZIPs
135
people per sq mi
63%
owner-occupied homes

Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 78374 against every reporting US ZIP.

ZIP code 78374 is a mid-sized community (a standard USPS delivery area) in Portland, San Patricio County, Texas, home to 16,620 residents across 123.1 square miles, a density of 135 people per square mile, in the Chicago time zone.

ZIP 78374 lands in the middle-income range, with a median household income of $83,504 (10% above the Texas average), while per-capita income is $38,134. 9.1% of residents live below the poverty line, and the unemployment rate reads 3.2%. The typical home here is valued at $233,800 (6% below the state average); renters pay a median of $1,580 monthly, and 62.7% of units are owner-occupied.

Educational attainment sits below the national norm: 25.7% of adults hold a bachelor's degree or higher, the median age is 34.4, and the average commute is 21 minutes. We also surface 10 nearby ZIP codes within roughly 10 miles and 6 additional ZIPs sharing San Patricio County, so you can benchmark 78374 against its immediate geography rather than a 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 →

Top industries in ZIP 78374

Top 5 sectors by establishment count in Portland, TX

Which industries have the most business establishments in ZIP 78374.

establishments

What this shows Establishment counts come from the Census ZIP Code Business Patterns program, which counts physical business locations rather than employees or revenue.

Source U.S. Census Bureau · ZIP Code Business Patterns (ZBP) As of 2023

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 78374, Portland, 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

16,620

Population

123.1

Area (sq mi)

135

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 78374?

34.4

Median Age

50.0%

Male

50.0%

Female

10.9%

Foreign-Born

White 64.8%
African American 1.9%
Asian 2.5%
American Indian or Alaska Native 0.7%
Native Hawaiian or Pacific Islander 0.1%
Two or More Ethnicities 24.4%
Hispanic or Latino 43.3%

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?

$83,504

Median Household Income

+10% vs state

$38,134

Per Capita Income

9.1%

Poverty Rate

3.2%

Unemployment Rate

20.5 min

Mean Commute Time

How ZIP 78374 ranks nationally

Portland, TX household income vs. every US ZIP code

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

$83,504 Top 34% higher than 66% of 30,318 US ZIPs

$0–$20,000: 118 US ZIPs (0%). Below this entry. $20,000–$40,000: 1,573 US ZIPs (5%). Below this entry. $40,000–$60,000: 7,092 US ZIPs (23%). Below this entry. $60,000–$80,000: 9,980 US ZIPs (33%). Below this entry. $80,000–$100,000: 5,778 US ZIPs (19%). This entry sits in this band. $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 51.7%
Bachelor's Degree or Higher 25.7%

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

What does housing look like?

8,490

Total Housing Units

7,502

Occupied Units

988

Vacant Units

2.71

Avg Household Size

Occupancy Type

Owner 62.7%
Renter 37.3%

$233,800

Median Home Value

-6% vs state

$1,580

Median Rent

1987

Median Year Built

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

How have home values changed over time?

FHFA House Price Index, annual appreciation data based on repeat sales and appraisals

+3.9%

YoY Change (2024)

251

HPI Index (2000 = 100)

+151%

Total Change Since 2000

Home values in ZIP 78374 have increased 3.9% over the past year (2024). Since 2000, this ZIP has seen +151% cumulative appreciation.

Year Annual Change HPI Index
2020 +4.1% 188
2021 +10.0% 207
2022 +10.8% 229
2023 +5.5% 242
2024 +3.9% 251

Source: Federal Housing Finance Agency (FHFA) House Price Index, All-Transactions, Five-Digit ZIP Codes (Developmental Index). Index base = 100 in year 2000. Data through 2024. ZIP codes with few transactions may show missing values.

What businesses operate in this ZIP?

Census Bureau data shows 337 business establishments in ZIP 78374, employing approximately 4,472 people with a combined annual payroll of $193,680,000.

337

Businesses

4,472

Employees

$193.7M

Annual Payroll

16

Industry Sectors

Industry Establishments % of Total
Health care and social assistance 54 16.0%
Accommodation and food services 51 15.1%
Retail trade 42 12.5%
Finance and insurance 38 11.3%
Other services (except public administration) 34 10.1%
Professional, scientific, and technical services 27 8.0%
Construction 23 6.8%
Administrative and support and waste management and remediation services 14 4.2%
Real estate and rental and leasing 11 3.3%
Educational services 8 2.4%
Transportation and warehousing 7 2.1%
Arts, entertainment, and recreation 6 1.8%
Manufacturing 5 1.5%
Wholesale trade 5 1.5%
Information 5 1.5%
Mining, quarrying, and oil and gas extraction 4 1.2%

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 78374 vs 78402 →

ZIP 78374 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 78374 ranks #3 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 78374 vs its nearest neighbors, by median income

Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.

median income

What this shows By household income, ZIP 78374 ranks the highest of 9 neighboring ZIPs, local affluence varies block to block, not just metro to metro.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023
ZIP Code City Population Distance
78402 Corpus Christi, TX 536 5.3 mi
78359 Gregory, TX 1,944 5.8 mi
78401 Corpus Christi, TX 5,391 7.0 mi
78407 Corpus Christi, TX 2,955 7.1 mi
78390 Taft, TX 5,616 7.6 mi
78404 Corpus Christi, TX 17,236 9.1 mi
78408 Corpus Christi, TX 12,061 8.3 mi
78405 Corpus Christi, TX 16,867 9.3 mi
78416 Corpus Christi, TX 15,508 10.7 mi
78409 Corpus Christi, TX 2,939 10.8 mi

More ZIP Codes in San Patricio County

78336 standard
Aransas Pass, TX
Pop: 11,949
78387 standard
Sinton, TX
Pop: 9,574
78362 standard
Ingleside, TX
Pop: 9,447
78368 standard
Mathis, TX
Pop: 9,227
78390 standard
Taft, TX
Pop: 5,616
78370 standard
Odem, TX
Pop: 4,877

Related Areas

San Patricio County Portland, TX Texas

Frequently Asked Questions

What county is ZIP code 78374 in? ▼
ZIP code 78374 (Portland) is located in San Patricio County, Texas. San Patricio County contains multiple ZIP codes, see the full list at /counties/san-patricio-tx.
What is the population of ZIP code 78374? ▼
ZIP code 78374 in Portland, TX has a population of 16,620 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 78374? ▼
The median household income in ZIP 78374 is $83,504, which is 9% above the national average of $76,288.
What is the average home value in ZIP 78374? ▼
The median home value in ZIP 78374 is $233,800, which is 16% below the national average of $278,155.
What is the demographic makeup of ZIP 78374? ▼
The largest racial group in ZIP 78374 is White at 64.8%. Hispanic or Latino residents make up 43.3% of the population.
How many businesses are in ZIP code 78374? ▼
ZIP code 78374 has 337 business establishments employing approximately 4,472 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 78374? ▼
The top industries by establishment count in ZIP 78374 are: Health care and social assistance (54), Accommodation and food services (51), Retail trade (42). There are 16 industry sectors represented in total.
How have home values changed in ZIP code 78374? ▼
According to the FHFA House Price Index, home values in ZIP 78374 increased by 3.9% in 2024. Since 2000, home values in this ZIP have appreciated by approximately 151%. This is a developmental index based on repeat sales and appraisal data from Fannie Mae and Freddie Mac.
What is the education level in ZIP code 78374? ▼
In ZIP code 78374, 51.7% of residents aged 25+ have a high school diploma or higher, and 25.7% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
What is the average commute time in ZIP 78374? ▼
The mean commute time for workers in ZIP code 78374 is 20.5 minutes according to Census ACS data. The national average is roughly 26 minutes, so commuters here spend less time traveling to work than typical.
What percentage of residents own vs. rent in ZIP 78374? ▼
In ZIP code 78374, approximately 62.7% of occupied housing units are owner-occupied and 37.3% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 78374? ▼
The poverty rate in ZIP code 78374 is 9.1% 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.