Residential delivery area · Texas
ZIP Code 78373: Port Aransas, TX
ZIP code 78373 uses the postal name Port Aransas, Texas and lies entirely in Nueces County (Census 2020 ZIP-county file). About 3,300 people live there (Census Bureau, ACS 2020-2024). Median household income is $91,106 (Census Bureau, ACS 2020-2024). By Census place, its land lies in Corpus Christi (49%) and Port Aransas (46%), and 5% in smaller places.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Port Aransas · its only residential ZIP
- County
- Nueces County
- Census places
- Corpus Christi (49%); Port Aransas (46%)
- Metro area
- Corpus Christi, TX
- House district
- TX-27 119th Congress
- State
- Texas
- Time zone
- Central
- Land area
- 18.8 sq mi · 178 people per sq mi
Where is ZIP code 78373?
78373 centers on 27.776°, -97.130° and covers 18.8 square miles of land plus 23.6 of water. It borders 1 ZIP code: 78336.
The map draws ZIP code areas only. For the streets inside 78373, open its center on OpenStreetMap.
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries and the 2023 Gazetteer (2020 ZCTAs); ZIP-to-county shares, Census places and House districts (119th Congress) from the Census 2020 relationship files (shares of land); metro area from the OMB delineation (July 2023); town name and time zone from simplemaps US ZIP Codes (CC BY 4.0).
How does 78373 compare with the rest of Nueces County?
| Measure | 78373 | In Nueces County | In TX |
|---|---|---|---|
| People (ACS 2020-2024) | 3,348 | 18th of 27 | 1,127th of 1,990 |
| Median household income | $91k | not ranked | not ranked |
| Median home value | $599k | 1st of 18 | 59th of 1,172 |
78373's median household income is not ranked: its 90% margin of error (±$24,830) is more than a quarter of the figure ($91,106). Rankings use ZIP codes of 1,000 or more people living in households, with margins at most 25% of the figure.
It is denser than 61% of U.S. residential ZIP codes. ZIP codes at the ACS caps ($250,000 or more for household income, $2,000,000 or more for home value) share the top rank.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B19013, B25077); ranks by PlainZIP over residential ZIP codes (ZCTAs).
How many people live in 78373?
The 2020 Census counted 3,134 people in 78373; the ACS, which samples households over 2020-2024, estimates 3,348. Between the 2010 and 2020 censuses its population fell 12.6% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 3,348
- 2020 Census count
- 3,134−12.6% since 2010 (3,585)
- Households
- 1,535
- Median age
- 52.8
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B01002, B11001); 2020 Census (DHC P1); 2010 Census (SF1 P1).
Who lives in 78373?
Of the 3,348 people the ACS estimates in 78373, 18.0% are under 18 and 33.7% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (84.9%).
- Under 1818.0%
- 18 to 6448.3%
- 65 and older33.7%
- White, not Hispanic84.9%
- Other or two or more8.9%
- Hispanic or Latino5.3%
- Black, not Hispanic0.8%
- Asian, not Hispanic0.0%
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01001 age by sex, B03002 Hispanic or Latino origin by race); shares of the estimated population, small ZIP codes carry wide margins.
What do households in 78373 earn?
Median household income is $91,106 (ACS 2020-2024). It is not measurably different from 2015-2019 ($73,308 in 2024 dollars): the change is within the surveys' margins of error.
- Median household income
- $91,106±$24,830
- Income per person
- $62,548
- Below the poverty line
- 10.5%
- Unemployed (of the labor force)
- 0.5%
- Adults 25+ with a bachelor's degree
- 37.0%
- Adjusted gross income per tax return, 2022
- $169,6401,900 returns; wages 32% of AGI (IRS)
Source: U.S. Census Bureau, ACS 2020-2024 and 2015-2019 5-year estimates (B19013, B19301, B17001, B23025, B15003; 2015-2019 dollars converted with the BLS CPI-U, 1.22699); IRS Statistics of Income, ZIP code data, tax year 2022 (adjusted gross income per return, filed under the address on the return).
What are homes worth in 78373?
FHFA's house price index for 78373, built from repeat sales and appraisals of the same homes, rose 114% from 2015 to 2025 and rose 69% from 2020 to 2025, and moved +5.8% in 2025.
- Median home value (owners' estimate)
- $599,400
- Median gross rent
- $2,294
- Homes owned by their occupants
- 72.1%
- Housing units
- 5,776
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B25077, B25064, B25003, B25001); FHFA House Price Index, annual five-digit ZIP, updated 2026-03-31.
What businesses are in 78373?
273 business establishments had a location in this ZIP code in 2023, 15 more than in 2018; the most are in accommodation and food services (ZIP Code Business Patterns).
- Accommodation and food services60
- Real estate and rental and leasing55
- Retail trade39
- Other services (except public administration)32
- Construction30
- Professional, scientific, and technical services16
Source: U.S. Census Bureau, ZIP Code Business Patterns 2023 and 2018 (establishments with paid employees, by the business's ZIP code).
Which ZIP codes are next to 78373?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 78336 | Aransas Pass | 12,424 | $58k | 10.8 mi |
| 78362 | Ingleside | 10,816 | $71k | 6.7 mi (near) |
| 78419 | Corpus Christi | 693 | $66k | 10.1 mi (near) |
| 78374 | Portland | 20,408 | $84k | 12.8 mi (near) |
| 78412 | Corpus Christi | 38,631 | $61k | 14.1 mi (near) |
| 78359 | Gregory | 2,154 | $46k | 14.9 mi (near) |
| 78411 | Corpus Christi | 23,682 | $58k | 15.9 mi (near) |
| 78404 | Corpus Christi | 12,635 | $61k | 16.5 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.