SIALIMStatistical Intelligence for America's Local Investment Markets

78631Harper, TX Home Values

Typical home value $424,355 as of June 2026 · 3rd of 3 in Fredericksburg, TX

Typical value — June 2026
$424,355
observed, not a forecast
Past 12 months
-6.0%
trailing year-over-year change
Past 5 years
+9.5%
June 2021 to June 2026
Rank in metro
3rd
of 3 ZIP codes, by value

Blue: typical home value (Zillow ZHVI) in ZIP code 78631, June 2021 to June 2026. This page shows observed data only; no forecast.

How 78631 compares in the Fredericksburg, TX area

ZIP code 78631 (Harper, TX) has a typical home value of $424,355 as of June 2026, ranking 3rd of 3 ZIP codes tracked in the Fredericksburg, TX area, more expensive than about 33% of ZIP codes in the metro. Prices here have moved -6.0% over the trailing 12 months. Over the past five years, the typical value in this ZIP code has changed +9.5%, from $387,600 in June 2021 to $424,355 in June 2026.

Every figure above is observed Zillow data. Sialim's forecasting engine works at the metro level; see the Fredericksburg, TX forecast for a modeled outlook, or browse the full ranked list of ZIP codes in Fredericksburg.

Population and demographics

ZIP code 78631 has a population of 3,357, per the Census Bureau's American Community Survey 5-year estimate. By race and ethnicity: 81.6% White, 12.2% Hispanic or Latino, and 6.2% two or more races.

Nearby public schools

SchoolAddressDistance
HARPER EL250 N SCHOOL ST, HARPER, TX4.6 mi
HARPER H S23122 W HWY 290, HARPER, TX4.6 mi
HARPER MIDDLE23122 W HWY 290, HARPER, TX4.6 mi

Distance is straight-line from the ZIP code's center; driving distance will be longer. School attendance is set by district boundaries, not proximity. Confirm which school a specific address is zoned for with the local school district. Source: National Center for Education Statistics.

Frequently asked questions

What is the typical home value in ZIP code 78631?

$424,355 as of June 2026, the latest month Zillow has published observed data for.

Is 78631 an expensive ZIP code in the Fredericksburg, TX area?

78631 ranks 3rd of 3 ZIP codes in the Fredericksburg, TX area by typical home value, more expensive than about 33% of ZIP codes in the metro.

How much have home values in 78631 changed over the past year?

-6.0% over the trailing 12 months, from observed Zillow data.

What is the population of ZIP code 78631?

3,357, per the US Census Bureau's American Community Survey 5-year estimate.

What are the closest public schools to ZIP code 78631?

HARPER EL (4.6 mi), HARPER H S (4.6 mi), HARPER MIDDLE (4.6 mi), by straight-line distance from the ZIP code's center. School attendance is set by district boundaries, not proximity. Confirm assignment with the local school district.

Is this page showing a forecast for 78631?

No. Every number on this page is observed Zillow data as of June 2026, not a forecast. Sialim's forecasting engine runs at the metro level; see the Fredericksburg, TX forecast for a modeled outlook.

ZIP-level values shown here are observed Zillow data, not forecasts. Sialim's forecasting engine works at the metro level today; ZIP-level forecasts are planned for Sialim Pro. Data © Zillow, via Zillow Research.