78373 ZIP Code — Port Aransas, TX

Nueces County, Texas

ZIP code 78373 is located in Port Aransas, Texas, within Nueces County. It covers approximately 18.85 square miles and serves a population of 3,242 residents. This is a standard ZIP code in the Central (CT) timezone, served by area code 361.

About ZIP code 78373

The housing stock consists of a significant share of large multi-unit buildings. Most homes were built in the 1980s, giving the area an established character. Median home value is $478,800. Owner-occupancy sits near the national average at 73%.

The gap between median ($80,250) and mean household income suggests income inequality — a small number of higher earners pull the average up. The poverty rate of 6% is below the national average. 51% of households receive Social Security income, suggesting a notable retiree or disability population.

The dominant occupation class is management, business, and professional, with construction as the leading industry. The average commute of 14 minutes is near the national average.

Educational attainment is near the national average, with 37% of residents holding a bachelor's degree or higher.

3,242

population

18.85

sq mi land

Standard

ZIP type

Central (CT)

timezone

78373 ZIP code map

Cities in ZIP code 78373

Below are the cities the US Postal Service accepts for ZIP code 78373. Using any city not on this list may result in mail delivery delays.

City	Status
Port Aransas	Preferred

Nearby ZIP codes

78362 Ingleside (7.7 mi) 78336 Aransas Pass (10.6 mi) 78419 Corpus Christi (12.5 mi) 78418 Corpus Christi (13.2 mi) 78412 Corpus Christi (15.2 mi) 78374 Portland (15.7 mi) 78411 Corpus Christi (17.3 mi) 78401 Corpus Christi (17.7 mi) 78404 Corpus Christi (17.7 mi) 78414 Corpus Christi (18 mi) 78402 Corpus Christi (18.8 mi) 78413 Corpus Christi (19.4 mi)

Demographics updated 06/2026

Population
Total population	3,242
Population density	172 / sq mi
State FIPS	48
County FIPS	355

Geography
Land area	18.85 sq mi
Water area	23.59 sq mi
Latitude	27.7899
Longitude	-97.1104
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	37.0%	44.0%	39.5%
$50k – $100k	24.3%	30.8%	30.1%
$100k – $200k	32.3%	20.5%	22.6%
Over $200k	6.4%	4.7%	7.8%

Demographics & statistics

3,242

Population

172

People per sq mi

57.4

Median age

$80,250

Median household income

$55,460

Per capita income

$478,800

Median home value

$2,098

Median monthly rent

73.1%

Home ownership

6.2%

Poverty rate

0.0%

Unemployment

4,845

Housing units

36.8%

Bachelor's or higher

Age distribution

Male Female

Under 5

5–9

100

10–14

15–19

20–24

100

25–34

112

104

35–44

116

250

45–54

279

55–59

102

171

60–64

192

367

65–74

409

149

75–84

167

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	482	14.9%
18 and over	2,760	85.1%
65 and over	1,109	34.2%
Median age	57.4 years

Race & ethnicity

White 92.5%

Two or more races 4.9%

Hispanic or Latino 2.2%

Native Hawaiian / Pacific Islander 0.3%

American Indian / Alaska Native 0.2%

Group	Count	%
White	3,066	92.5%
Two or more races	161	4.9%
Hispanic or Latino	73	2.2%
Native Hawaiian / Pacific Islander	10	0.3%
American Indian / Alaska Native	5	0.2%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	37.0%	44.0%	39.5%
$50k – $100k	24.3%	30.8%	30.1%
$100k – $200k	32.3%	20.5%	22.6%
Over $200k	6.4%	4.7%	7.8%

$10k–$15k 0.5%

$15k–$25k 11.1%

$25k–$35k 3.9%

$35k–$50k 15.2%

$50k–$75k 17.6%

$75k–$100k 12.8%

$100k–$150k 14.2%

$150k–$200k 13.2%

$200k+ 11.4%

Range	% of households
$10k–$15k	0.5%
$15k–$25k	11.1%
$25k–$35k	3.9%
$35k–$50k	15.2%
$50k–$75k	17.6%
$75k–$100k	12.8%
$100k–$150k	14.2%
$150k–$200k	13.2%
$200k+	11.4%
Median income	$80,250

Housing

Home values

Under $50k 4.1%

$50k–$100k 0.5%

$100k–$150k 2.4%

$200k–$300k 8.4%

$300k–$500k 39.9%

$500k–$1M 35.1%

$1M+ 9.6%

Housing overview

Metric	Value
Median home value	$478,800
Median rent / month	$2,098
Owner occupied	73.1%
Renter occupied	26.9%
Vacant	70.5%
Single-family detached	48.5%
Large apartment buildings	26.7%
Mobile homes	0.6%
Median rooms	4.6
Avg household size (owned)	2.14

Year built

Era	%
2020 or later	2.5%
2010–2019	17.4%
2000–2009	14.4%
1990–1999	11.2%
1980–1989	29.7%
1970–1979	15.2%
1960–1969	3.0%
1950–1959	3.3%
1940–1949	1.2%
1939 or earlier	2.0%

Bedrooms

Size	% of units
No bedroom (studio)	1.0%
1 bedroom	8.0%
2 bedrooms	46.0%
3 bedrooms	32.6%
4 bedrooms	7.4%
5+ bedrooms	5.0%

Vehicles per household

Vehicles	% of households
No vehicle	6.1%
1 vehicle	37.2%
2 vehicles	47.2%
3 or more	9.5%

Heating fuel

Fuel type	%
Utility gas	8.7%
Electricity	90.6%
Propane / LP gas	0.1%
Solar	0.6%

Households & families

Household type	Count	%
Married-couple family	788	50.7%
Cohabiting couple	132	8.5%
Male householder, no spouse	141	9.1%
Female householder, no spouse	494	31.8%
Households with children under 18	313	20.1%
Households with seniors (65+)	753	48.4%
Average household size	2.08

Marital status

Status	Male	Female
Never married	15.9%	17.5%
Married	64.3%	49.8%
Separated	3.4%	2.1%
Widowed	0.3%	11.4%
Divorced	16.0%	19.3%

Education

Less than 9th grade 0.5%

Some HS, no diploma 2.7%

HS graduate 27.8%

Some college, no degree 26.6%

Associate's degree 5.6%

Bachelor's degree 24.2%

Graduate / professional 12.6%

Metric	%
HS diploma or higher	96.8%
Bachelor's or higher	36.8%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	57	14.0%
Kindergarten	15	3.7%
Elementary school	146	35.9%
High school	183	45.0%
College / grad school	6	1.5%

Employment

Industry of employment

Finance & real estate 21.7%

Construction 18.9%

Arts, food & hospitality 14.2%

Education & healthcare 13.7%

Retail trade 9.0%

Professional & management 6.4%

Other services 5.4%

Transportation & utilities 3.9%

Public administration 2.5%

Agriculture & mining 1.7%

Manufacturing 1.4%

Wholesale trade 0.7%

Information 0.6%

Occupation

Category	%
Management, business & arts	51.2%
Service	9.2%
Sales & office	10.8%
Natural resources & construction	20.0%
Production & transportation	8.8%

Employment type

Type	%
Private sector	72.0%
Government	13.9%
Self-employed	14.1%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	76.0%
Carpool	4.6%
Public transit	0.0%
Walk	5.0%
Work from home	7.9%
Other means	6.6%
Avg commute (minutes)	14.1

Poverty

All people 6.2%

Under 18 years 0.0%

18 and over 7.3%

Married-couple families 0.0%

Female-led households 14.8%

Income support

Source	% of households
Social Security	51.1%
Retirement income	26.9%
Supplemental Security	3.1%
Cash public assistance	2.5%
Food stamps / SNAP	2.8%

Health indicators

Condition	%
Obesity	34.7%
High blood pressure	38.6%
High cholesterol	38.9%
Diabetes	11.8%
Heart disease	7.5%
Stroke	3.0%
Asthma	9.1%
Arthritis	27.9%
Kidney disease	3.0%
Pulmonary disease	7.2%
Cancer	7.9%

Behavior / access	%
Smoking	16.9%
Binge drinking	17.8%
No physical activity	22.3%
Less than 7 hrs sleep	33.4%
Depression	24.4%
Fair or poor health	14.8%
Poor mental health	14.4%
Poor physical health	11.1%
No health insurance	17.5%
Visited doctor (checkup)	71.0%
Visited dentist	55.1%
Cholesterol screening	92.3%
Teeth loss	10.0%

Veterans & disability

Veterans	Count	%
Civilian veterans	245	8.9%

Disability	%
Any disability	9.9%
Under 18	3.9%
18–64 years	7.6%
65 and over	15.9%

Health insurance coverage

Type	%
Private insurance	58.9%
Public insurance	44.0%
No insurance	14.9%
Uninsured under 19	10.8%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	3,146	97.0%
Spanish	22	0.7%
Other Indo-European	13	0.4%
Asian & Pacific Islander	9	0.3%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	2,920	90.1%
Born in same state	2,898	89.4%
Born in different state	1,814	56.0%
Foreign born	22	0.7%
Naturalized citizen	322	9.9%
Not a US citizen	237	73.6%

Ancestry

Ancestry	Count	%
French	368	11.4%
Italian	356	11%
Arab	83	2.6%
English	61	1.9%

Ancestry	Count	%
Polish	33	1%
Irish	10	0.3%
Dutch	5	0.2%

Technology access

Metric	% of households
Computer access	48.0%
Internet access	100.0%

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

Frequently asked questions about ZIP code 78373

What city is ZIP code 78373 in?

ZIP code 78373 is primarily assigned to Port Aransas, Texas.

What county is ZIP code 78373 in?

ZIP code 78373 falls within Nueces County, Texas.

Does ZIP code 78373 have an older population?

34% of residents in ZIP code 78373 are 65 or older, above the national average of ~17%.

Does ZIP code 78373 have a large retiree population?

51% of households in ZIP code 78373 receive Social Security income, suggesting a significant retiree or disability population.

What is the typical home value in ZIP code 78373?

The median home value in ZIP code 78373 is $478,800.

What is the population of ZIP code 78373?

ZIP code 78373 has an estimated population of 3,242 residents, with a density of 172 people per square mile.

What timezone is ZIP code 78373 in?

ZIP code 78373 observes the CST timezone.