Residential delivery area · Texas
ZIP Code 78374: Portland, TX
ZIP code 78374 uses the postal name Portland, Texas and lies entirely in San Patricio County (Census 2020 ZIP-county file). About 20,000 people live there (Census Bureau, ACS 2020-2024). Median household income is $83,504 (Census Bureau, ACS 2020-2024). By Census place, its land lies in Portland (50%) and Ingleside (10%); 40% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Portland · its only residential ZIP
- County
- San Patricio County
- Census places
- Portland (50%); Ingleside (10%)
- Metro area
- Corpus Christi, TX
- House district
- TX-27 119th Congress
- State
- Texas
- Time zone
- Central
- Land area
- 18.5 sq mi · 1,101 people per sq mi
Where is ZIP code 78374?
78374 centers on 27.885°, -97.300° and covers 18.5 square miles of land plus 0.2 of water. It borders 4 ZIP codes: 78359, 78362, 78336, 78390.
The map draws ZIP code areas only. For the streets inside 78374, 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 78374 compare with the rest of San Patricio County?
| Measure | 78374 | In San Patricio County | In TX |
|---|---|---|---|
| People (ACS 2020-2024) | 20,408 | 1st of 9 | 578th of 1,990 |
| Median household income | $84k | 1st of 7 | 402nd of 1,172 |
| Median home value | $234k | 1st of 6 | 602nd of 1,172 |
Its median household income is higher than in 66% of U.S. residential ZIP codes, and it is denser than 79% of all 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 78374?
The 2020 Census counted 20,281 people in 78374; the ACS, which samples households over 2020-2024, estimates 20,408. Its boundary changed between the 2010 and 2020 censuses, so the two counts are not compared.
- People, ACS 2020-2024
- 20,408
- 2020 Census count
- 20,281
- Households
- 7,502
- Median age
- 34.4
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 78374?
Of the 20,408 people the ACS estimates in 78374, 26.0% are under 18 and 14.0% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (47.7%), then Hispanic or Latino (43.3%).
- Under 1826.0%
- 18 to 6460.0%
- 65 and older14.0%
- White, not Hispanic47.7%
- Hispanic or Latino43.3%
- Other or two or more4.6%
- Asian, not Hispanic2.5%
- Black, not Hispanic1.9%
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 78374 earn?
Median household income is $83,504 (ACS 2020-2024), the highest of the 7 ranked ZIP codes in San Patricio County.
- Median household income
- $83,504
- Income per person
- $38,134
- Below the poverty line
- 9.1%
- Unemployed (of the labor force)
- 3.3%
- Adults 25+ with a bachelor's degree
- 25.7%
- Adjusted gross income per tax return, 2022
- $81,3678,850 returns; wages 75% 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 78374?
FHFA's house price index for 78374, built from repeat sales and appraisals of the same homes, rose 64% from 2015 to 2025 and rose 37% from 2020 to 2025, and moved +3.2% in 2025.
- Median home value (owners' estimate)
- $233,800
- Median gross rent
- $1,580
- Homes owned by their occupants
- 62.7%
- Housing units
- 8,490
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 78374?
337 business establishments had a location in this ZIP code in 2023, 39 more than in 2018; the most are in health care and social assistance (ZIP Code Business Patterns).
- Health care and social assistance54
- Accommodation and food services51
- Retail trade42
- Finance and insurance38
- Other services (except public administration)34
- Professional, scientific, and technical services27
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 78374?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 78359 | Gregory | 2,154 | $46k | 3.1 mi |
| 78362 | Ingleside | 10,816 | $71k | 6.7 mi |
| 78336 | Aransas Pass | 12,424 | $58k | 8.4 mi |
| 78390 | Taft | 6,013 | $78k | 9.0 mi |
| 78401 | Corpus Christi | 4,344 | $41k | 8.6 mi (near) |
| 78402 | Corpus Christi | 554 | $56k | 8.8 mi (near) |
| 78404 | Corpus Christi | 12,635 | $61k | 10.1 mi (near) |
| 78407 | Corpus Christi | 1,674 | $48k | 10.5 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.