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78664, Round Rock, TX Housing Market

Hyperlocal market intelligence for ZIP code 78664 in TX. Located in Williamson County, TX. Part of the Austin, TX metro area.

PropertyIQ Score

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78664, Round Rock, TX market data

PropertyIQ Score 4F
Median Price
$342K
Rent (ZORI)
$2K
Median DOM
51 days
YoY
-4.7%
What drives the score
Home value YoY: -4.7%3-mo momentum: -1.9%Days on market: 51 daysPrice-reduced share: +21.1%
Data through Jun 2026 · Source: Zillow, Realtor.com

78664, Round Rock, TX Housing Market Overview

ZIP code 78664's median home value is $342K, down 4.7% over the past year. Homes here sell in a median 51 days. Its PropertyIQ Score of 4 sits below the state average of 50, marking a market positioned to lag its state over the next three years.

78664, Round Rock, TX is one of nearly 20,000 U.S. ZIP codes that PropertyIQ analyzes with AI-powered demand signal scoring. ZIP-level analysis provides the most hyperlocal view of housing market dynamics available, measuring how demand within 78664 compares to the TX state average and identifying outperformance potential before it appears in price data.

South Central ZIP codes span energy-driven rural communities and rapidly urbanizing suburban subdivisions. PropertyIQ's ZIP-level scores identify demand hotspots within Texas, Oklahoma, Louisiana, and Arkansas at a neighborhood granularity that metro and county data cannot provide. Within the South Central, ZIP code 78664's PropertyIQ Score of 4 runs below the South Central norm.

The PropertyIQ Score for 78664, Round Rock, TX is built from four inputs measured at the ZIP-code level: Zillow home-value momentum over twelve months, Zillow home-value momentum over three months, the median days listings spend on the market (Realtor.com), and the share of listings with a price cut (Realtor.com). The score runs on a 1 to 99 scale computed across all ZIP codes nationally and calibrated so 50 equals the state average, so a score above 50 points to a micro-market positioned to outperform its state.

Explore 78664, Round Rock, TX's full market profile including ZIP-level score trends, home value data, and comparisons with neighboring ZIP codes. Use the interactive map to visualize demand signals across the area and identify hyperlocal investment opportunities.

78664, Round Rock, TX is located in Williamson County, TX.

This ZIP code is part of the Austin, TX metro area.

Market data through June 2026. Sourced from Zillow, Realtor.com, Redfin, U.S. Census Bureau, FRED, BLS, and BEA. Per-statistic source and date shown above.