Zip lookup · TX

78384
San Diego, Texas.

San Diego, Duval County, TX · Alice, TX metro · population 5,747

What it costs per month · 78384 $478/mo

to buy the typical home at today's mortgage rate — $157 (-25%) since Jan 2020.

What the home itself did
1 year
Down $13,822 -13%
$104,934$91,112 since Sep 2025
5 years
Down $76,543 -46%
$167,655$91,112 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 78384 $478 United States $1,922
$500 $1,000 $1,500 $2,000 2002 2010 2018 2026
  • 78384$478
  • United States$1,922

At the last five years' pace, prices here aren't rising.

Typical home values in zip 78384 fell 13.2% over the past year — slower than the nation's +1.2%.

This zip spans 2 counties: Duval County, TX 99% · Jim Wells County, TX 1%

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

Typical home value $91,112 as of Sep 2026
-13.2%year on year

Typical home value — 78384

Mid-tier homes, smoothed and seasonally adjusted.

$100,000 $200,000 $300,000 2019 2020 2021 2022 2023 2024 2025 2026 78384 $91,112 Alice $125,018 United States $366,157
$100,000 $200,000 $300,000 2020 2022 2024 2026
  • 78384$91,112
  • Alice$125,018
  • United States$366,157

Within 20 miles

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