Residential delivery area · Texas
ZIP Code 78383: Sandia, TX
ZIP code 78383 uses the postal name Sandia, Texas and lies mostly in Live Oak County (62% of its land), reaching into Jim Wells County and Nueces County (Census 2020 ZIP-county file). About 4,100 people live there (Census Bureau, ACS 2020-2024). Median household income is $102,135 (Census Bureau, ACS 2020-2024). By Census place, its land lies in Sandy Hollow-Escondidas (4%) and Sandia (under 1%); 95% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Sandia · its only residential ZIP
- County
- Live Oak County (62%); Jim Wells County (30%); Nueces County (8%)
- Census places
- Sandy Hollow-Escondidas (4%) census-designated place; Sandia (under 1%) census-designated place
- House districts
- TX-15 (92%), TX-27 (8%) 119th Congress, by share of land
- State
- Texas
- Time zone
- Central
- Land area
- 141.4 sq mi · 29 people per sq mi
Where is ZIP code 78383?
78383 centers on 28.073°, -97.944° and covers 141.4 square miles of land plus 13.0 of water. It borders 4 ZIP codes: 78368, 78372, 78022, 78380.
The map draws ZIP code areas only. For the streets inside 78383, 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 78383 compare with the rest of Live Oak County?
| Measure | 78383 | In Live Oak County | In TX |
|---|---|---|---|
| People (ACS 2020-2024) | 4,081 | 7th of 10 | 1,073rd of 1,990 |
| Median household income | $102k | not ranked | not ranked |
| Median home value | $237k | 1st of 6 | 585th of 1,172 |
78383's median household income is not ranked: its 90% margin of error (±$31,367) is more than a quarter of the figure ($102,135). 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 32% 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 78383?
The 2020 Census counted 3,757 people in 78383; the ACS, which samples households over 2020-2024, estimates 4,081. Its boundary changed between the 2010 and 2020 censuses, so the two counts are not compared.
- People, ACS 2020-2024
- 4,081±1,059 (90% margin)
- 2020 Census count
- 3,757
- Households
- 1,529
- Median age
- 43.5
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 78383?
Of the 4,081 people the ACS estimates in 78383, 22.9% are under 18 and 19.6% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (56.6%), then Hispanic or Latino (36.5%).
- Under 1822.9%
- 18 to 6457.6%
- 65 and older19.6%
- White, not Hispanic56.6%
- Hispanic or Latino36.5%
- Other or two or more4.5%
- Black, not Hispanic1.4%
- Asian, not Hispanic1.0%
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 78383 earn?
Median household income is $102,135 (ACS 2020-2024).
- Median household income
- $102,135±$31,367
- Income per person
- $44,904
- Below the poverty line
- 18.6%
- Unemployed (of the labor force)
- 0.7%
- Adults 25+ with a bachelor's degree
- 46.5%
- Adjusted gross income per tax return, 2022
- $96,1221,660 returns; wages 55% 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 78383?
FHFA's house price index for 78383, built from repeat sales and appraisals of the same homes, rose 61% from 2015 to 2025 and rose 51% from 2020 to 2025, and moved +2.9% in 2025.
- Median home value (owners' estimate)
- $237,200
- Median gross rent
- $969
- Homes owned by their occupants
- 84.4%
- Housing units
- 2,207
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 78383?
30 business establishments had a location in this ZIP code in 2023, 11 fewer than in 2018; the most are in construction (ZIP Code Business Patterns).
- Construction6
- Mining, quarrying, and oil and gas extraction5
- Retail trade3
- Professional, scientific, and technical services3
- Other services (except public administration)3
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 78383?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 78368 | Mathis | 9,464 | $47k | 9.1 mi |
| 78372 | Orange Grove | 5,383 | $52k | 10.4 mi |
| 78022 | George West | 4,682 | $56k | 17.8 mi |
| 78380 | Robstown | 23,149 | $55k | 23.9 mi |
| 78391 | Tynan | 77 | – | 16.1 mi (near) |
| 78352 | Edroy | 54 | – | 16.7 mi (near) |
| 78339 | Banquete | 465 | $94k | 20.9 mi (near) |
| 78389 | Skidmore | 1,754 | $37k | 21.5 mi (near) |
| 78330 | Agua Dulce | 351 | $51k | 21.9 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.