78374 ZIP Code — Portland, TX

San Patricio County, Texas

ZIP code 78374 is located in Portland, Texas, within San Patricio County. It covers approximately 18.56 square miles and serves a population of 20,037 residents. This is a standard ZIP code in the Central (CT) timezone, served by area code 361.

About ZIP code 78374

The housing stock consists of predominantly single-family detached homes. Most homes were built in the 1970s, giving the area an established character. Median home value is $217,400. Owner-occupancy sits near the national average at 65%.

Median household income is $82,791.

The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 21 minutes is near the national average.

Educational attainment is near the national average, with 27% of residents holding a bachelor's degree or higher.

20,037
population
18.56
sq mi land
Standard
ZIP type
Central (CT)
timezone
78374 ZIP code map
Cities in ZIP code 78374

Below are the cities the US Postal Service accepts for ZIP code 78374. Using any city not on this list may result in mail delivery delays.

City Status
Portland Preferred
Nearby ZIP codes
78390 Taft (5.6 mi) 78362 Ingleside (7.9 mi) 78336 Aransas Pass (8.5 mi) 78402 Corpus Christi (10.2 mi) 78401 Corpus Christi (11.3 mi) 78407 Corpus Christi (11.8 mi) 78340 Bayside (12.3 mi) 78404 Corpus Christi (13 mi) 78408 Corpus Christi (13.1 mi) 78405 Corpus Christi (14.4 mi) 78409 Corpus Christi (14.6 mi) 78411 Corpus Christi (15.1 mi)
Demographics updated 06/2026
Population
Total population 20,037
Population density 1,080 / sq mi
State FIPS 48
County FIPS 409
Geography
Land area 18.56 sq mi
Water area 0.21 sq mi
Latitude 27.9371
Longitude -97.3056
Timezone Central (CT)
Area code 361
Total population by age
Gender
Race & ethnicity
Economics updated 06/2026
Household income
Income range This ZIP County avg State avg
Under $50k 32.2% 46.9% 39.5%
$50k – $100k 30.5% 28.6% 30.1%
$100k – $200k 28.7% 20.1% 22.6%
Over $200k 8.6% 4.4% 7.8%

Demographics & statistics

20,037
Population
1,080
People per sq mi
34.1
Median age
$82,791
Median household income
$38,056
Per capita income
$217,400
Median home value
$1,731
Median monthly rent
65.4%
Home ownership
9.7%
Poverty rate
3.1%
Unemployment
5,825
Housing units
27.1%
Bachelor's or higher

Age distribution

Male Female
750
Under 5
699
821
5–9
765
812
10–14
756
623
15–19
581
701
20–24
653
1,637
25–34
1,526
1,466
35–44
1,366
1,205
45–54
1,123
515
55–59
479
455
60–64
425
793
65–74
739
418
75–84
390
175
85+
164
← Male
Female →

Age summary

GroupCount%
Under 185,22826.1%
18 and over14,80973.9%
65 and over2,67913.4%
Median age34.1 years

Race & ethnicity

White 66.2%
Hispanic or Latino 14.1%
Two or more races 13%
Other race 3%
Asian 1.6%
Black or African American 1.4%
American Indian / Alaska Native 0.4%
Native Hawaiian / Pacific Islander 0.3%
GroupCount%
White15,43366.2%
Hispanic or Latino3,29214.1%
Two or more races3,03013%
Other race7063%
Asian3641.6%
Black or African American3381.4%
American Indian / Alaska Native1010.4%
Native Hawaiian / Pacific Islander650.3%

Household income

Income range This ZIP County avg State avg
Under $50k 32.2% 46.9% 39.5%
$50k – $100k 30.5% 28.6% 30.1%
$100k – $200k 28.7% 20.1% 22.6%
Over $200k 8.6% 4.4% 7.8%
Under $10k 4.3%
$10k–$15k 3.1%
$15k–$25k 2.6%
$25k–$35k 5.6%
$35k–$50k 9.7%
$50k–$75k 19.5%
$75k–$100k 14.8%
$100k–$150k 18.9%
$150k–$200k 8.5%
$200k+ 13.0%
Range% of households
Under $10k4.3%
$10k–$15k3.1%
$15k–$25k2.6%
$25k–$35k5.6%
$35k–$50k9.7%
$50k–$75k19.5%
$75k–$100k14.8%
$100k–$150k18.9%
$150k–$200k8.5%
$200k+13.0%
Median income$82,791

Housing

Home values

Under $50k 5.0%
$50k–$100k 5.2%
$100k–$150k 12.1%
$150k–$200k 18.0%
$200k–$300k 41.6%
$300k–$500k 15.1%
$500k–$1M 2.6%
$1M+ 0.4%

Housing overview

MetricValue
Median home value$217,400
Median rent / month$1,731
Owner occupied65.4%
Renter occupied34.6%
Vacant14.8%
Single-family detached72.3%
Large apartment buildings5.9%
Mobile homes2.3%
Median rooms5.8
Avg household size (owned)2.84

Year built

Era%
2020 or later0.6%
2010–201920.3%
2000–200912.6%
1990–199910.5%
1980–198911.5%
1970–197926.5%
1960–196910.2%
1950–19596.7%
1940–19490.9%
1939 or earlier0.3%

Bedrooms

Size% of units
No bedroom (studio)0.8%
1 bedroom7.5%
2 bedrooms17.2%
3 bedrooms46.9%
4 bedrooms24.9%
5+ bedrooms2.7%

Vehicles per household

Vehicles% of households
No vehicle3.7%
1 vehicle30.0%
2 vehicles45.9%
3 or more20.4%

Heating fuel

Fuel type%
Utility gas20.3%
Electricity78.1%
Propane / LP gas1.5%
No fuel used0.2%

Households & families

Household typeCount%
Married-couple family3,80754.1%
Cohabiting couple3094.4%
Male householder, no spouse1,11915.9%
Female householder, no spouse1,80225.6%
Households with children under 182,65637.7%
Households with seniors (65+)1,89426.9%
Average household size2.84

Marital status

StatusMaleFemale
Never married32.3%26.0%
Married51.9%51.7%
Separated0.8%1.9%
Widowed2.6%8.2%
Divorced12.3%12.2%

Education

Less than 9th grade 1.4%
Some HS, no diploma 6.5%
HS graduate 29.6%
Some college, no degree 26.0%
Associate's degree 9.4%
Bachelor's degree 18.3%
Graduate / professional 8.9%
Metric%
HS diploma or higher92.1%
Bachelor's or higher27.1%

School enrollment (ages 3–17)

TypeCount%
Nursery / preschool2675.4%
Kindergarten3146.3%
Elementary school2,66553.5%
High school79716.0%
College / grad school94218.9%

Employment

Industry of employment

Education & healthcare 24.6%
Construction 13.5%
Retail trade 10.0%
Manufacturing 8.2%
Arts, food & hospitality 7.9%
Professional & management 7.6%
Transportation & utilities 6.3%
Public administration 5.8%
Finance & real estate 4.6%
Agriculture & mining 4.4%
Other services 4.2%
Wholesale trade 2.0%
Information 0.9%

Occupation

Category%
Management, business & arts42.9%
Service17.0%
Sales & office18.1%
Natural resources & construction9.0%
Production & transportation13.0%

Employment type

Type%
Private sector79.5%
Government14.5%
Self-employed6.0%
Unpaid family workers0.0%

Commute

Method%
Drive alone87.7%
Carpool4.3%
Public transit0.4%
Walk0.7%
Work from home6.7%
Other means0.2%
Avg commute (minutes)20.6

Poverty

All people 9.7%
Under 18 years 17.4%
18 and over 6.9%
Married-couple families 2.5%
Female-led households 28.1%

Income support

Source% of households
Social Security28.5%
Retirement income22.1%
Supplemental Security3.2%
Cash public assistance2.4%
Food stamps / SNAP10.8%

Health indicators

Condition%
Obesity39.3%
High blood pressure31.7%
High cholesterol32.4%
Diabetes10.5%
Heart disease5.4%
Stroke2.4%
Asthma8.8%
Arthritis20.7%
Kidney disease2.6%
Pulmonary disease5.5%
Cancer5.8%
Behavior / access%
Smoking17.4%
Binge drinking18.7%
No physical activity25.7%
Less than 7 hrs sleep33.3%
Depression22.0%
Fair or poor health15.0%
Poor mental health14.9%
Poor physical health10.3%
No health insurance26.0%
Visited doctor (checkup)69.5%
Visited dentist52.9%
Cholesterol screening89.3%
Teeth loss11.5%

Veterans & disability

VeteransCount%
Civilian veterans1,58510.7%
Disability%
Any disability14.3%
Under 184.8%
18–64 years10.5%
65 and over50.7%

Health insurance coverage

Type%
Private insurance68.3%
Public insurance25.5%
No insurance14.7%
Uninsured under 198.4%

Language & origin

Language spoken at home (age 5+)

LanguageCount%
English only18,58892.8%
Spanish7243.9%
Other Indo-European4362.3%
Asian & Pacific Islander2081.1%
Other languages800.4%

Place of birth & citizenship

OriginCount%
Native born (US)18,98694.8%
Born in same state18,78593.8%
Born in different state14,48072.3%
Foreign born2011.0%
Naturalized citizen1,0515.2%
Not a US citizen29728.3%

Ancestry

AncestryCount%
French2,39712%
Italian1,6248.1%
Arab7873.9%
English1280.6%
AncestryCount%
Polish1060.5%
Dutch770.4%
German760.4%
Irish430.2%

Technology access

Metric% of households
Computer access35.1%
Internet access98.2%

Source: U.S. Census Bureau, American Community Survey 2025 estimates.

Frequently asked questions about ZIP code 78374

What city is ZIP code 78374 in?

ZIP code 78374 is primarily assigned to Portland, Texas.

What county is ZIP code 78374 in?

ZIP code 78374 falls within San Patricio County, Texas.

Does ZIP code 78374 have a large veteran population?

11% of civilians in ZIP code 78374 are veterans, above the national average of ~7%.

What is the population of ZIP code 78374?

ZIP code 78374 has an estimated population of 20,037 residents, with a density of 1,080 people per square mile.

What is the typical home value in ZIP code 78374?

The median home value in ZIP code 78374 is $217,400.

What is the median household income in ZIP code 78374?

The median household income in ZIP code 78374 is $82,791, above the national median of ~$75,000.

What timezone is ZIP code 78374 in?

ZIP code 78374 observes the CST timezone.

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