ZIP code 78638: Kingsbury, TX
78638 is a ZIP code in Kingsbury, Texas, mainly in Guadalupe County, part of the San Antonio-New Braunfels, TX metro area. About 2,135 people live here.
- Population
- 2,135
- Median household income
- $69,250
- Typical home value
- $368,000+2.8% in 12 months
- Median rent
- $1,135gross, per month
- Median age
- 45.4
- Homeowners
- 79.3%of occupied homes
Shaded: ZIP code 78638's area. Click anywhere on the map to see which ZIP code it's in.
ZIP codes within 10 milesWithin 25 miles
ZIP code 78638 details
| City | Kingsbury |
|---|---|
| State | Texas |
| County | Guadalupe County (also partly Gonzales County) |
| Metro area | San Antonio-New Braunfels, TX |
| Time zone | Central Time (UTC−6), observes daylight saving time |
| Type | Standard (delivery area) |
| Land area | 118.1 sq mi, plus 0.4 sq mi of water |
| Population density | 18 people per sq mi |
| Bachelor's degree or higher | 23.5% of adults 25+ |
| Average commute | 43.3 minutes |
| Center coordinates | 29.65959, -97.78520 |
Median rent in 78638 by bedrooms
| Size | Median gross rent |
|---|---|
| 2 bedrooms | $1,129/mo |
| 3 bedrooms | $1,286/mo |
Gross rent includes utilities paid by the tenant. ACS 2020–2024; sizes with too few rentals to estimate are left out.
ZIP codes near 78638
| ZIP code | City | Distance | Population |
|---|---|---|---|
| 78661 | Prairie Lea, TX | 4.6 mi | 835 |
| 78670 | Staples, TX | 8.2 mi | 130 |
| 78622 | Fentress, TX | 8.5 mi | 331 |
| 78648 | Luling, TX | 9.1 mi | 7,863 |
| 78658 | Ottine, TX | 10.7 mi | 94 |
| 78604 | Belmont, TX | 11.2 mi | — |
| 78655 | Martindale, TX | 11.2 mi | 3,730 |
| 78156 | Seguin, TX | 11.6 mi | — |
Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology
Buying a home in 78638?
A typical home in ZIP code 78638 is worth about $368,000 (Zillow Home Value Index). The median household here earns $69,250 a year. See what buying here would cost per month, with Texas average taxes and insurance filled in.
Monthly payment for a $368,000 homeWhat can a $69,250 income afford?Rental property numbers
About ZIP code 78638
What city is ZIP code 78638?
ZIP code 78638 is in Kingsbury, TX, in Guadalupe County.
What county is ZIP code 78638 in?
78638 is mainly in Guadalupe County, Texas, and partly in Gonzales County.
What is the population of ZIP code 78638?
About 2,135 people live in ZIP code 78638, according to the American Community Survey 2020–2024 5-year estimates.
What time zone is ZIP code 78638 in?
78638 is in Central Time (UTC−6). It observes daylight saving time.