Weslaco is a city in Hidalgo County, Texas, home to about 42,229 people across 16 square miles. Its ZIP codes are 78596 and 78599.
Homes sold for a median of $147 per square foot across 2 ZIP codes in the three months ending August 2026, and 0 of 2 were seller’s markets.
Mostly Weslaco; also Llano Grande and Progreso
Mostly Weslaco; also Olivarez and Mila Doce
Each card is that ZIP code’s whole market, including any part outside Weslaco. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Weslaco’s story and what everyday life there is like, for people thinking about moving in.
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| Nearest major airport | San Antonio International Airport (SAT)234 miles away |
|---|---|
| Closer regional airport | McAllen Miller International Airport (MFE)15 miles away |
| Nearest city of 250,000+ | Laredo, TX133 miles away |
| Nearest city of 1 million+ | San Antonio, TX230 miles away |
Straight-line distances from the center of Weslaco; driving is longer.
Source: Airports from OurAirports (scheduled passenger service); city centers and populations from the U.S. Census Bureau.
Source: Members of Congress from the congress-legislators project; districts from the Census Bureau’s relationship files; governor and mayor from Wikidata.
Weslaco had 40,160 residents in the 2020 census, up 49% since 2000.
It’s the 86th largest of 1,778 towns in Texas by population.
Hidalgo County grew from 6,837 residents in 1900 to 870,781 in 2020.
Hidalgo County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 97°F in summer, and winter lows average 50°F. About 25.8 inches of rain and melted snow fall in a typical year.
Source: NOAA 1991–2020 climate normals, Weslaco, TX weather station (about a mile away).
227,682 jobs at 13,393 businesses in Hidalgo County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
395 doctors and other health care providers list an office in Weslaco’s ZIP codes.
Nearest hospitals
Providers with an office here
| Primary care doctors | 74 |
|---|---|
| Specialist doctors | 55 |
| Dentists | 30 |
| Nurse practitioners and physician assistants | 109 |
| Mental health providers | 72 |
| Physical and occupational therapists | 40 |
| Optometrists | 12 |
| Chiropractors | 3 |
| Pharmacies | 28 |
Source: Hospitals from CMS Hospital General Information (ratings are CMS overall star ratings); straight-line distances; providers from the CMS National Plan and Provider Enumeration System (NPPES), by practice address and primary specialty.
Parks (6 nearby)
Grocery stores (4 nearby)
Pharmacies (5 nearby)
Libraries (1 nearby)
Counts are within about 3 miles of the center of town.
Source: Map data © OpenStreetMap contributors (openstreetmap.org/copyright), as mapped by volunteers; it can miss places or include closed ones.
Established in 1919.
Notable people born here
Source: Wikidata (wikidata.org), the free knowledge base; people are listed by place of birth.
Public schools here are run by Weslaco ISD, Horizon Montessori Public Schools, Idea Public Schools and others. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| A N Rico ElWeslaco | Pre-K–5 | 780 | Public | 2.3 mi |
| Airport ElWeslaco | Pre-K–5 | 786 | Public | 1.0 mi |
| Cleckler/Heald ElWeslaco | Pre-K–5 | 909 | Public | 1.6 mi |
| Dr R E Margo ElWeslaco | Pre-K–5 | 1,085 | Public | 1.7 mi |
| Horizon Montessori II - Stem AcademyWeslaco | Pre-K–8 | 326 | Charter | 1.6 mi |
| Memorial ElWeslaco | Pre-K–5 | 1,109 | Public | 1.7 mi |
| North Bridge ElWeslaco | Pre-K–5 | 775 | Public | 1.0 mi |
| Pfc Mario Ybarra ElWeslaco | Pre-K–5 | 503 | Public | 2.5 mi |
| Raul A Gonzalez Jr. ElWeslaco | Pre-K–5 | 552 | Public | 2.2 mi |
| Rodolfo Rudy Silva Jr. ElWeslaco | Pre-K–5 | 685 | Public | 2.4 mi |
| Sam Houston ElWeslaco | Pre-K–5 | 761 | Public | 0.3 mi |
| Idea Academy WeslacoWeslaco | K–5 | 649 | Charter | 2.2 mi |
| Idea Weslaco Pike AcademyWeslaco | K–5 | 734 | Charter | 0.7 mi |
| Horton Disciplinary Alternative Education ProgramWeslaco | 4–12 | — | Alternative Education | 0.3 mi |
| Armando Cuellar MiddleWeslaco | 6–8 | 634 | Public | 1.3 mi |
| Beatriz G Garza MiddleWeslaco | 6–8 | 919 | Public | 1.4 mi |
| Central MiddleWeslaco | 6–8 | 1,060 | Public | 0.8 mi |
| Idea College Prep WeslacoWeslaco | 6–12 | 728 | Charter | 2.2 mi |
| Idea Weslaco Pike College PreparatoryWeslaco | 6–12 | 758 | Charter | 0.7 mi |
| Mary Hoge MiddleWeslaco | 6–8 | 830 | Public | 2.4 mi |
| Career and College Development CenterWeslaco | 9–12 | 50 | Alternative Education | 0.5 mi |
| Hidalgo County Boot CampWeslaco | 9–10 | 11 | Alternative Education | 0.8 mi |
| Premier H S of WeslacoWeslaco | 9–12 | 112 | Charter, Alternative Education | 1.5 mi |
| Texasworks - WeslacoWeslaco | 9–12 | 29 | Charter, Alternative Education | 1.5 mi |
| Weslaco East H SWeslaco | 9–12 | 2,066 | Public | 1.5 mi |
| Weslaco H SWeslaco | 9–12 | 2,699 | Public | 0.7 mi |
| School | Grades | Students | Affiliation | Distance |
|---|---|---|---|---|
| Mid Valley Christian SchoolWeslaco | Pre-K–11 | 90 | Christian (no specific denomination) | 1.2 mi |
| Pfc Mario Ybarra ElementaryWeslaco | Pre-K–5 | 142 | Nonsectarian | 2.4 mi |
| San Martin De Porres Catholic SchoolWeslaco | K–3 | 17 | Roman Catholic | 0.4 mi |
Source: U.S. Department of Education, NCES: Common Core of Data (2024-2025) for public schools; Private School Universe Survey (2023-2024) for private schools. Listed by address; we don’t rate schools.
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Shares ZIP codes with Olivarez, Mila Doce, Midway North, Llano Grande, Progreso, Midway South, Villa Verde and Progreso Lakes.
Town boundaries don’t always match ZIP codes: a ZIP code can cross into neighboring towns, and a town can share a ZIP code with its neighbors. Facts describe the town itself; market figures describe whole ZIP codes.