Sweeny is a city in Brazoria County, Texas, home to about 3,591 people across 2.0 square miles. Its ZIP code is 77480.
Homes sold for a median of $139 per square foot in the three months ending August 2026, a balanced market.
Each card is that ZIP code’s whole market, including any part outside Sweeny. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Sweeny’s story and what everyday life there is like, for people thinking about moving in.
Are you a local agent who knows Sweeny well? Agents who advertise here will be able to write the guide. Advertise on OfferBacked
| Nearest major airport | William P. Hobby Airport (HOU)49 miles away |
|---|---|
| Nearest city of 250,000+ | Houston, TX55 miles away |
Straight-line distances from the center of Sweeny; 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.
Sweeny had 3,626 residents in the 2020 census, up 0% since 2000.
It’s the 521st largest of 1,778 towns in Texas by population.
Brazoria County grew from 14,861 residents in 1900 to 372,031 in 2020.
Brazoria County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 93°F in summer, and winter lows average 45°F. About 45.8 inches of rain and melted snow fall in a typical year.
Source: NOAA 1991–2020 climate normals, Angleton Brazoria Ap, TX weather station (15 miles away).
98,916 jobs at 6,650 businesses in Brazoria County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
20 doctors and other health care providers list an office in Sweeny.
Nearest hospitals
Providers with an office here
| Primary care doctors | 3 |
|---|---|
| Dentists | 1 |
| Nurse practitioners and physician assistants | 7 |
| Mental health providers | 3 |
| Physical and occupational therapists | 6 |
| Pharmacies | 2 |
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 (1 nearby)
Grocery stores (1 nearby)
Pharmacies (1 nearby)
Libraries (1 nearby)
Counts are within about 1 mile 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.
Public schools here are run by Sweeny ISD. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Sweeny ElSweeny | Pre-K–5 | 869 | Public | 0.4 mi |
| Sweeny J HSweeny | 6–8 | 453 | Public | 0.3 mi |
| Sweeny H SSweeny | 9–12 | 597 | Public | 0.6 mi |
| School | Grades | Students | Affiliation | Distance |
|---|---|---|---|---|
| Sweeny Christian SchoolSweeny | Pre-K–4 | 24 | Church of Christ | 0.5 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.
Buying or selling around Sweeny? Tell us what you need and when. No agents advertise here yet, so we’ll keep your request for up to 30 days and send it to local agents who join. No obligation, and you choose who to work with.
Loading map…
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.