The basics
Total Population
30,411
Median Age
36.2
Home values & property tax
Ranked against U.S. ZIP codes.
Median Home Value
$320,800
Median Property Tax
$5,244
Effective Tax Rate
2%
Cost of living & affordability
Ranked against U.S. ZIP codes.
Price-to-Income Ratio
3.26
Median Rent
$1,387
Home prices & appreciation
Ranked against U.S. ZIP codes.
HPI Growth 5yr %
48%
Appreciation 1yr %
7.6%
Pandemic Gain %
52%
Recession Drop %
-6.4%
Climate & weather
Ranked against U.S. ZIP codes.
Summer Avg High (°F)
94.3
Winter Avg Low (°F)
41
Avg Temperature (°F)
68
Hot Days/yr (>90°F)
116.9
Freezing Days/yr (<32°F)
18.2
Annual Precipitation (in)
36.1
Annual Snowfall (in)
0
Flood & disaster risk
Ranked against U.S. ZIP codes.
FEMA Risk Score
63.1
The full report
Six pillars — each with percentile benchmarks, 16-year trends, and per-metric detail.
People
Work & Money
Housing
Amenities
Environment & Risk
ZIP Code 78621: frequently asked questions
- What is the median home value in ZIP Code 78621?
- The median home value in ZIP Code 78621 is $320,800, higher than 72% of U.S. ZIP codes.
- How much is property tax in ZIP Code 78621?
- The median annual property tax in ZIP Code 78621 is $5,244, an effective rate of 2% of home value.
- Is ZIP Code 78621 expensive to live in?
- Homes in ZIP Code 78621 cost about 3.26× the median household income, higher than 59% of U.S. ZIP codes.
- What is the average rent in ZIP Code 78621?
- The median gross rent in ZIP Code 78621 is $1,387 a month, higher than 80% of U.S. ZIP codes.
- How much have home prices grown in ZIP Code 78621?
- Home prices in ZIP Code 78621 have moved 48% over the past five years (7.6% in the past year), per the FHFA House Price Index.
- What is the weather like in ZIP Code 78621?
- ZIP Code 78621 averages 68°F year-round, summer highs near 94.3°F, winter lows around 41°F (NOAA 1991–2020 normals).
- Is ZIP Code 78621 at risk of flooding or natural disasters?
- ZIP Code 78621's FEMA National Risk Index score is 63.1 (near the U.S. ZIP codes median). Its greatest modeled natural hazard is tornado.
Sources: U.S. Census ACS, FEMA National Risk Index, FHFA House Price Index, OpenStreetMap, EPA. Explore the map →