Zip lookup · TX

78638
Kingsbury, Texas.

Kingsbury, Guadalupe County, TX · San Antonio-New Braunfels, TX metro · population 2,135

What it costs per month · 78638 $1,932/mo

to buy the typical home at today's mortgage rate — +$885 (+85%) since Jan 2020.

What the home itself did
1 year
Up $10,143 +3%
$357,893$368,036 since Sep 2025
5 years
Up $20,727 +6%
$347,309$368,036 since Sep 2021

Monthly payment to buy the typical home

Home value × that month's 30-year mortgage rate, 20% down, principal and interest. This is the line households feel: prices and rates compound each other.

$500 $1,000 $1,500 $2,000 2002 2006 2010 2014 2018 2022 2026 78638 $1,932 United States $1,922
$500 $1,000 $1,500 $2,000 2002 2010 2018 2026
  • 78638$1,932
  • United States$1,922

At the last five years' pace, a typical home here doubles in price every 60 years.

Typical home values in zip 78638 rose 2.8% over the past year — faster than the nation's +1.2%.

This zip spans 2 counties: Guadalupe County, TX 98% · Gonzales County, TX 2%

Zillow also publishes an index for the city itself: Kingsbury, TX — measured over the city limits, which is a different area from this zip.

Typical home value $368,036 as of Sep 2026
+2.8%year on year

Typical home value — 78638

Mid-tier homes, smoothed and seasonally adjusted.

$200,000 $250,000 $300,000 $350,000 2018 2020 2022 2024 2026 78638 $368,036 San Antonio $273,806 United States $366,157
$200,000 $250,000 $300,000 $350,000 2018 2022 2026
  • 78638$368,036
  • San Antonio$273,806
  • United States$366,157

Within 20 miles

Miles sorted ascending, activate to sort descending Zip activate to sort by Zip City activate to sort by City Population activate to sort by Population Rent activate to sort by Rent Home value activate to sort by Home value
5.9 78661 Prairie Lea 835 — $201,868
7.9 78622 Fentress 331 — $227,154
9.8 78648 Luling 7,863 $975 $225,532
11.7 78655 Martindale 3,730 — $329,498
12.2 78155 Seguin 55,600 $1,429 $267,084
15.3 78123 McQueeney 2,127 — $431,996
16.5 78644 Lockhart 22,348 $1,712 $277,573
16.5 78130 New Braunfels 104,009 $1,568 $301,994
16.9 78656 Maxwell 2,847 $1,847 $252,451
19.0 78666 San Marcos 88,583 $1,418 $309,421
19.8 78632 Harwood 1,245 — $417,219

Coordinates and population from SimpleMaps US Zips (Basic). Rent and home values from Zillow Research.