Residential delivery area · Texas
ZIP Code 78589: San Juan, TX
ZIP code 78589 uses the postal name San Juan, Texas and lies entirely in Hidalgo County (Census 2020 ZIP-county file). About 40,000 people live there (Census Bureau, ACS 2020-2024). Median household income is $54,285 (Census Bureau, ACS 2020-2024). By Census place, 46% of its land lies in San Juan, and 3% in smaller places; 52% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- San Juan · its only residential ZIP
- County
- Hidalgo County
- Census places
- San Juan
- Metro area
- McAllen-Edinburg-Mission, TX
- House districts
- TX-34 (70%), TX-15 (30%) 119th Congress, by share of land
- State
- Texas
- Time zone
- Central
- Land area
- 25.5 sq mi · 1,579 people per sq mi
Where is ZIP code 78589?
78589 centers on 26.151°, -98.159° and covers 25.5 square miles of land plus 0.1 of water. It borders 3 ZIP codes: 78577, 78516, 78542.
The map draws ZIP code areas only. For the streets inside 78589, 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 78589 compare with the rest of Hidalgo County?
| Measure | 78589 | In Hidalgo County | In TX |
|---|---|---|---|
| People (ACS 2020-2024) | 40,231 | 10th of 30 | 230th of 1,990 |
| Median household income | $54k | 9th of 19 | 971st of 1,172 |
| Median home value | $120k | 14th of 20 | 1,039th of 1,172 |
Its median household income is higher than in 20% of U.S. residential ZIP codes, and it is denser than 82% 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 78589?
The 2020 Census counted 38,987 people in 78589; the ACS, which samples households over 2020-2024, estimates 40,231. Its boundary changed between the 2010 and 2020 censuses, so the two counts are not compared.
- People, ACS 2020-2024
- 40,231
- 2020 Census count
- 38,987
- Households
- 11,709
- Median age
- 31.2
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 78589?
Of the 40,231 people the ACS estimates in 78589, 31.3% are under 18 and 12.5% are 65 or older. The largest group by race and Hispanic origin is Hispanic or Latino (96.8%).
- Under 1831.3%
- 18 to 6456.2%
- 65 and older12.5%
- Hispanic or Latino96.8%
- White, not Hispanic2.7%
- Other or two or more0.4%
- Asian, not Hispanic0.1%
- Black, 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 78589 earn?
Median household income is $54,285 (ACS 2020-2024), the 9th highest of the 19 ranked ZIP codes in Hidalgo County.
- Median household income
- $54,285
- Income per person
- $19,628
- Below the poverty line
- 24.3%
- Unemployed (of the labor force)
- 7.1%
- Adults 25+ with a bachelor's degree
- 13.8%
- Adjusted gross income per tax return, 2022
- $41,38517,490 returns; wages 89% 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 78589?
FHFA's house price index for 78589, built from repeat sales and appraisals of the same homes, rose 99% from 2015 to 2025 and rose 62% from 2020 to 2025, and moved −0.6% in 2025.
- Median home value (owners' estimate)
- $120,400
- Median gross rent
- $937
- Homes owned by their occupants
- 79.3%
- Housing units
- 12,747
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 78589?
365 business establishments had a location in this ZIP code in 2023, 72 more than in 2018; the most are in health care and social assistance (ZIP Code Business Patterns).
- Health care and social assistance74
- Retail trade69
- Accommodation and food services44
- Other services (except public administration)32
- Construction31
- Finance and insurance26
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 78589?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 78577 | Pharr | 80,540 | $53k | 2.3 mi |
| 78516 | Alamo | 34,370 | $53k | 2.4 mi |
| 78542 | Edinburg | 89,401 | $55k | 19.9 mi |
| 78503 | McAllen | 22,621 | $53k | 5.6 mi (near) |
| 78537 | Donna | 51,426 | $41k | 6.5 mi (near) |
| 78557 | Hidalgo | 14,498 | $59k | 6.5 mi (near) |
| 78501 | McAllen | 58,935 | $48k | 6.7 mi (near) |
| 78539 | Edinburg | 37,168 | $67k | 9.1 mi (near) |
| 78504 | McAllen | 63,094 | $82k | 10.3 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.