Portland ZIP Code List — San Patricio County, TX

There is one unique ZIP code in Portland, Texas and it is 78374. Area code: 361.

ZIP codes

18.56

sq mi land

0.21

sq mi water

361

area code

Portland, TX ZIP code map

About Portland, TX

Portland, Texas, is a charming city located in San Patricio County. With a small-town feel and a vibrant community spirit, it offers a unique blend of coastal living and Texan hospitality. This scenic city is positioned near the Gulf of Mexico, making it a prime location for outdoor activities and tourism.

Location & geography

Portland is situated in the southeastern part of Texas, near the coastal bend region. It is approximately 20 miles northeast of Corpus Christi and close to other cities, including Aransas Pass, Ingleside, and Gregory. Covering a total area of 18.56 square miles, it boasts a small water area of 0.21 square miles, allowing for beautiful waterfront views.

Community & economy

The character of Portland is marked by its friendly residents and a strong community focus. Predominantly characterized by industries such as petrochemical and tourism, the city supports a local economy that thrives on both commercial and recreational pursuits. Daily life in Portland revolves around outdoor activities, family-oriented events, and local festivals.

Transportation

Portland is easily accessible via major highways, including U.S. Highway 181, which connects it to nearby cities and the larger Corpus Christi area. The nearest airport is the Corpus Christi International Airport, approximately 20 miles away, catering to both regional and national flights. The city's transportation infrastructure supports a variety of travel options for residents and visitors alike.

History

Founded in the early 20th century, Portland quickly established itself as a key player in the region's development, primarily due to its shipping and commerce activities linked to its coastal location. The city has historically been associated with the oil and gas industry, which has played a significant role in its growth and economic stability. Notable events, such as the establishment of local parks and community centers, mark its development over the years.

Did you know?

A little-known fact about Portland is that it is home to the beautiful Charlie's Pasture, a nature preserve that provides recreational opportunities and stunning views of the surrounding landscape. Additionally, the city hosts an annual festival celebrating its rich fishing culture, attracting visitors from across the region.

ZIP codes for Portland, TX (1)

ZIP code	City	County	Map
78374	Portland	San Patricio	View map

Demographics & statistics

20,037

Population

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

Group	Count	%
Under 18	5,228	26.1%
18 and over	14,809	73.9%
65 and over	2,679	13.4%
Median age	34.1 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%

Group	Count	%
White	15,433	66.2%
Hispanic or Latino	3,292	14.1%
Two or more races	3,030	13%
Other race	706	3%
Asian	364	1.6%
Black or African American	338	1.4%
American Indian / Alaska Native	101	0.4%
Native Hawaiian / Pacific Islander	65	0.3%

Household income

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 $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%
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

Metric	Value
Median home value	$217,400
Median rent / month	$1,731
Owner occupied	65.4%
Renter occupied	34.6%
Vacant	14.8%
Single-family detached	72.3%
Large apartment buildings	5.9%
Mobile homes	2.3%
Median rooms	5.8
Avg household size (owned)	2.84

Year built

Era	%
2020 or later	0.6%
2010–2019	20.3%
2000–2009	12.6%
1990–1999	10.5%
1980–1989	11.5%
1970–1979	26.5%
1960–1969	10.2%
1950–1959	6.7%
1940–1949	0.9%
1939 or earlier	0.3%

Bedrooms

Size	% of units
No bedroom (studio)	0.8%
1 bedroom	7.5%
2 bedrooms	17.2%
3 bedrooms	46.9%
4 bedrooms	24.9%
5+ bedrooms	2.7%

Vehicles per household

Vehicles	% of households
No vehicle	3.7%
1 vehicle	30.0%
2 vehicles	45.9%
3 or more	20.4%

Heating fuel

Fuel type	%
Utility gas	20.3%
Electricity	78.1%
Propane / LP gas	1.5%
No fuel used	0.2%

Households & families

Household type	Count	%
Married-couple family	3,807	54.1%
Cohabiting couple	309	4.4%
Male householder, no spouse	1,119	15.9%
Female householder, no spouse	1,802	25.6%
Households with children under 18	2,656	37.7%
Households with seniors (65+)	1,894	26.9%
Average household size	2.84

Marital status

Status	Male	Female
Never married	32.3%	26.0%
Married	51.9%	51.7%
Separated	0.8%	1.9%
Widowed	2.6%	8.2%
Divorced	12.3%	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 higher	92.1%
Bachelor's or higher	27.1%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	267	5.4%
Kindergarten	314	6.3%
Elementary school	2,665	53.5%
High school	797	16.0%
College / grad school	942	18.9%

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 & arts	42.9%
Service	17.0%
Sales & office	18.1%
Natural resources & construction	9.0%
Production & transportation	13.0%

Employment type

Type	%
Private sector	79.5%
Government	14.5%
Self-employed	6.0%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	87.7%
Carpool	4.3%
Public transit	0.4%
Walk	0.7%
Other means	0.2%
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 Security	28.5%
Retirement income	22.1%
Supplemental Security	3.2%
Cash public assistance	2.4%
Food stamps / SNAP	10.8%

Health indicators

Condition	%
High blood pressure	31.7%
High cholesterol	32.4%
Heart disease	5.4%
Stroke	2.4%
Asthma	8.8%
Arthritis	20.7%
Kidney disease	2.6%
Pulmonary disease	5.5%
Cancer	5.8%

Behavior / access	%
Binge drinking	18.7%
No physical activity	25.7%
Less than 7 hrs sleep	33.3%
Fair or poor health	15.0%
Poor mental health	14.9%
Poor physical health	10.3%
No health insurance	26.0%
Visited doctor (checkup)	69.5%
Visited dentist	52.9%
Cholesterol screening	89.3%
Teeth loss	11.5%

Veterans & disability

Veterans	Count	%
Civilian veterans	1,585	10.7%

Disability	%
Any disability	14.3%
Under 18	4.8%
18–64 years	10.5%
65 and over	50.7%

Health insurance coverage

Type	%
Private insurance	68.3%
Public insurance	25.5%
Uninsured under 19	8.4%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	18,588	92.8%
Spanish	724	3.9%
Other Indo-European	436	2.3%
Asian & Pacific Islander	208	1.1%
Other languages	80	0.4%

Place of birth & citizenship

Origin	Count	%
Native born (US)	18,986	94.8%
Born in same state	18,785	93.8%
Born in different state	14,480	72.3%
Foreign born	201	1.0%
Naturalized citizen	1,051	5.2%
Not a US citizen	297	28.3%

Ancestry

Ancestry	Count	%
French	2,397	12%
Italian	1,624	8.1%
Arab	787	3.9%
English	128	0.6%

Ancestry	Count	%
Polish	106	0.5%
Dutch	77	0.4%
German	76	0.4%
Irish	43	0.2%

Technology access

Metric	% of households
Computer access	35.1%
Internet access	98.2%

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

Frequently asked questions

What is the ZIP code for Portland, TX?

Portland, TX has one ZIP code: 78374.

What is the main ZIP code for Portland, TX?

The primary ZIP code for Portland, TX is 78374. The city uses area code 361 for phone service.

What county is Portland, TX in?

Portland is located in San Patricio County, Texas.

How many ZIP codes are in Portland, TX?

Portland, TX has 1 ZIP code.

What ZIP code covers the Portland waterfront area and marina district along Corpus Christi Bay?

The Portland waterfront and marina areas are located in ZIP code 78374, which encompasses the coastal portions of Portland, Texas along the bay.

What is the ZIP code for downtown Portland near the San Patricio County area?

Downtown Portland and the central business district are served by ZIP code 78374, which is the single ZIP code that covers all of Portland, Texas.