Kirby is a city in Bexar County, Texas, home to about 8,117 people across 2.0 square miles. It has no ZIP code of its own: it’s part of 78219.
Homes sold for a median of $133 per square foot in the three months ending August 2026, a buyer’s market.
Mostly San Antonio; part is in Kirby
Each card is that ZIP code’s whole market, including any part outside Kirby. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Kirby’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)10 miles away |
|---|---|
| Nearest city of 250,000+ | San Antonio, TX11 miles away |
Straight-line distances from the center of Kirby; 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.
Kirby had 8,142 residents in the 2020 census, down 6% since 2000.
It’s the 316th largest of 1,778 towns in Texas by population.
Bexar County grew from 69,422 residents in 1900 to 2,009,324 in 2020.
Bexar County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 95°F in summer, and winter lows average 40°F. About 34 inches of rain and melted snow fall in a typical year, with about 0 inches of snow.
Source: NOAA 1991–2020 climate normals, San Antonio Incarnate Word, TX weather station (8 miles away).
821,509 jobs at 39,726 businesses in Bexar County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
34 doctors and other health care providers list an office in Kirby.
Nearest hospitals
Providers with an office here
| Primary care doctors | 1 |
|---|---|
| Specialist doctors | 7 |
| Dentists | 1 |
| Nurse practitioners and physician assistants | 2 |
| Mental health providers | 12 |
| Physical and occupational therapists | 10 |
| Chiropractors | 1 |
| Pharmacies | 4 |
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.
Grocery stores
Pharmacies
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 San Antonio ISD, Judson ISD. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Cameron ElSan Antonio | Pre-K–5 | 344 | Public | 5.0 mi |
| Hopkins ElSan Antonio | Pre-K–5 | 707 | Public | 2.1 mi |
| Kirby Stem Academy 6th GradeSan Antonio | 6 | 178 | Public | 2.9 mi |
| Kirby MiddleSan Antonio | 7–8 | 423 | Public | 2.9 mi |
| Judson Learning AcadSan Antonio | 10–12 | 78 | Alternative Education | 2.9 mi |
Source: U.S. Department of Education, NCES: Common Core of Data (2024-2025) for public schools. Listed by address; we don’t rate schools.
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Shares ZIP codes with San Antonio.
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.