Residential delivery area · Texas
ZIP Code 78582: Rio Grande City, TX
ZIP code 78582 uses the postal name Rio Grande City, Texas and lies entirely in Starr County (Census 2020 ZIP-county file). About 45,000 people live there (Census Bureau, ACS 2020-2024). Median household income is $42,626 (Census Bureau, ACS 2020-2024). By Census place, its land lies in Rio Grande City (2%), El Refugio (under 1%), La Paloma Ranchettes (under 1%), La Puerta (under 1%), Las Lomas (under 1%), La Victoria (under 1%), Mi Ranchito Estate (under 1%), Ranchitos del Norte (under 1%), Sammy Martinez (under 1%), Valle Hermoso (under 1%), Airport Heights (0%), Alto Bonito Heights (0%), Amada Acres (0%), Anacua (0%), B and E (0%), Barrera (0%), Benjamin Perez (0%), Buena Vista (0%), Camargito (0%), Campo Verde (0%), Casa Blanca (0%), Chaparrito (0%), East Alto Bonito (0%), El Brazil (0%), El Castillo (0%), El Cenizo (0%), El Chaparral (0%), Elias-Fela Solis (0%), El Mesquite (0%), E. Lopez (0%), El Quiote (0%), El Rancho Vela (0%), El Socio (0%), Eugenio Saenz (0%), Fernando Salinas (0%), Flor del Rio (0%), Garza-Salinas II (0%), Gutierrez (0%), Hilltop (0%), La Carla (0%), La Casita (0%), La Chuparosa (0%), La Escondida (0%), La Esperanza (0%), La Rosita (0%), Loma Linda East (0%), Loma Linda West (0%), Longoria (0%), Los Alvarez (0%), Los Barreras (0%), Los Ebanos (0%), Manuel Garcia (0%), Manuel Garcia II (0%), Martinez (0%), Miguel Barrera (0%), Mikes (0%), Narciso Pena (0%), Netos (0%), Nina (0%), Olivia Lopez de Gutierrez (0%), Olmito and Olmito (0%), Pablo Pena (0%), Palo Blanco (0%), Quesada (0%), Rafael Pena (0%), Rancho Viejo (0%), Rivereno (0%), San Fernando (0%), Santa Cruz (0%), Santa Rosa (0%), Santel (0%), Tierra Dorada (0%), Valle Vista (0%), Villarreal (0%), West Alto Bonito (0%) and Zarate (0%); 97% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Rio Grande City · its only residential ZIP
- County
- Starr County
- Census places
- Rio Grande City (2%); El Refugio (under 1%) census-designated place; La Paloma Ranchettes (under 1%) census-designated place; La Puerta (under 1%) census-designated place
- Micro area
- Rio Grande City-Roma, TX
- House district
- TX-28 119th Congress
- State
- Texas
- Time zone
- Central
- Land area
- 565.3 sq mi · 79 people per sq mi
Where is ZIP code 78582?
78582 centers on 26.531°, -98.740° and covers 565.3 square miles of land plus 1.6 of water. It borders 10 ZIP codes: 78591, 78584, 78547, 78548, 78595, 78576, 78565, 78360, 78541, 78361.
The map draws ZIP code areas only. For the streets inside 78582, 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 78582 compare with the rest of Starr County?
| Measure | 78582 | In Starr County | In TX |
|---|---|---|---|
| People (ACS 2020-2024) | 44,741 | 1st of 10 | 192nd of 1,990 |
| Median household income | $43k | 1st of 2 | 1,122nd of 1,172 |
| Median home value | $103k | 1st of 4 | 1,101st of 1,172 |
Its median household income is higher than in 7% of U.S. residential ZIP codes, and it is denser than 50% 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 78582?
The 2020 Census counted 43,253 people in 78582; the ACS, which samples households over 2020-2024, estimates 44,741. Its boundary changed between the 2010 and 2020 censuses, so the two counts are not compared.
- People, ACS 2020-2024
- 44,741
- 2020 Census count
- 43,253
- Households
- 12,795
- Median age
- 29.7
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 78582?
Of the 44,741 people the ACS estimates in 78582, 31.8% are under 18 and 9.6% are 65 or older. The largest group by race and Hispanic origin is Hispanic or Latino (97.3%).
- Under 1831.8%
- 18 to 6458.6%
- 65 and older9.6%
- Hispanic or Latino97.3%
- White, not Hispanic2.3%
- Other or two or more0.2%
- Black, not Hispanic0.1%
- Asian, not Hispanic0.1%
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 78582 earn?
Median household income is $42,626 (ACS 2020-2024).
- Median household income
- $42,626
- Income per person
- $19,188
- Below the poverty line
- 31.3%
- Unemployed (of the labor force)
- 10.0%
- Adults 25+ with a bachelor's degree
- 13.2%
- Adjusted gross income per tax return, 2022
- $39,34817,370 returns; wages 93% 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 78582?
FHFA's house price index for 78582, built from repeat sales and appraisals of the same homes, rose 90% from 2015 to 2025 and rose 74% from 2020 to 2025, and moved +13.1% in 2025.
- Median home value (owners' estimate)
- $102,800
- Median gross rent
- $747
- Homes owned by their occupants
- 72.3%
- Housing units
- 14,896
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 78582?
429 business establishments had a location in this ZIP code in 2023, 25 more than in 2018; the most are in health care and social assistance (ZIP Code Business Patterns).
- Health care and social assistance94
- Retail trade89
- Finance and insurance42
- Accommodation and food services40
- Professional, scientific, and technical services38
- Transportation and warehousing24
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 78582?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 78591 | Santa Elena | 158 | $36k | 13.8 mi |
| 78584 | Roma | 18,464 | $27k | 15.8 mi |
| 78547 | Garciasville | 306 | – | 15.9 mi |
| 78548 | Grulla | 1,341 | $37k | 18.3 mi |
| 78595 | Sullivan City | 6,118 | $59k | 19.4 mi |
| 78576 | Penitas | 15,484 | $49k | 22.6 mi |
| 78565 | Los Ebanos | 20 | – | 22.7 mi |
| 78360 | Guerra | 0 | – | 23.5 mi |
| 78541 | Edinburg | 51,710 | $53k | 29.2 mi |
| 78361 | Hebbronville | 4,727 | $42k | 36.1 mi |
| 78536 | Delmita | 371 | $28k | 19.9 mi (near) |
| 78585 | Salineno | 0 | – | 21.3 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.