Weir is a city in Williamson County, Texas, home to about 434 people across 1.6 square miles. Its ZIP code is 78674, and parts of 78626 are in Weir too.
Homes sold for a median of $191 per square foot in the three months ending August 2026, a buyer’s market.
All in Weir
Mostly Georgetown; part is in Weir
Each card is that ZIP code’s whole market, including any part outside Weir. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Weir’s story and what everyday life there is like, for people thinking about moving in.
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| Nearest major airport | Austin Bergstrom International Airport (AUS)31 miles away |
|---|---|
| Closer regional airport | Austin Executive Airport18 miles away |
| Nearest city of 250,000+ | Austin, TX24 miles away |
| Nearest city of 1 million+ | San Antonio, TX97 miles away |
Straight-line distances from the center of Weir; 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.
Weir had 699 residents in the 2020 census, up 18% since 2000.
It’s the 1309th largest of 1,778 towns in Texas by population.
Williamson County grew from 38,072 residents in 1900 to 609,017 in 2020.
Williamson 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 36°F. About 37.1 inches of rain and melted snow fall in a typical year.
Source: NOAA 1991–2020 climate normals, Georgetown Lake, TX weather station (5 miles away).
203,878 jobs at 15,041 businesses in Williamson County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
Nearest hospitals
Source: Hospitals from CMS Hospital General Information (ratings are CMS overall star ratings); straight-line distances.
Parks (13 nearby)
Grocery stores
Pharmacies
Libraries
Museums
Theaters and performance venues
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.
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Shares ZIP codes with Georgetown and Round Rock.
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.