Zip lookup · TX

78623
Blanco, Texas.

Blanco, Comal County, TX · San Antonio-New Braunfels, TX metro · population 1,645

What it costs per month · 78623 $2,549/mo

to buy the typical home at today's mortgage rate — +$1,355 (+114%) since Jan 2020.

What the home itself did
1 year
Up $2,667 +1%
$483,052$485,719 since Sep 2025
5 years
Up $58,785 +14%
$426,934$485,719 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 $2,500 2002 2006 2010 2014 2018 2022 2026 78623 $2,549 United States $1,922
$500 $1,000 $1,500 $2,000 $2,500 2002 2010 2018 2026
  • 78623$2,549
  • United States$1,922

At the last five years' pace, a typical home here doubles in price every 27 years.

Typical home values in zip 78623 rose 0.6% over the past year — slower than the nation's +1.2%.

This zip spans 2 counties: Comal County, TX 92% · Hays County, TX 8%

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

Typical home value $485,719 as of Sep 2026
+0.6%year on year

Typical home value — 78623

Mid-tier homes, smoothed and seasonally adjusted.

$200,000 $300,000 $400,000 $500,000 2018 2020 2022 2024 2026 78623 $485,719 San Antonio $273,806 United States $366,157
$200,000 $300,000 $400,000 $500,000 2018 2022 2026
  • 78623$485,719
  • 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
5.7 78133 Canyon Lake 21,959 $1,738 $376,497
7.0 78676 Wimberley 15,822 $2,099 $555,623
12.2 78070 Spring Branch 20,200 $1,781 $572,132
13.7 78132 New Braunfels 40,953 $1,586 $558,866
15.3 78666 San Marcos 88,583 $1,418 $309,421
15.4 78619 Driftwood 6,693 $3,250 $925,971
17.0 78606 Blanco 7,272 — $540,263
18.8 78620 Dripping Springs 22,860 $2,088 $671,454
19.0 78163 Bulverde 19,141 $2,330 $468,665

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