78620 vs 78666 — Compare ZIP Codes
Side-by-side comparison. Blue = ZIP 78620, Orange = ZIP 78666.
Quick verdict: ZIP 78620 is wealthier, higher home values, lower poverty rate, lower unemployment, more educated, higher work-from-home share. ZIP 78666 is more affordable rent, more diverse.
Quick Facts
ZIP 78620
Dripping Springs city, TX
View full profile →- Population20,624
- Median Income$146,551
- Median Home Value$625k
- Median Rent$1,413
- Median Age42.7 yrs
- Poverty Rate5.0%
ZIP 78666
San Marcos city, TX
View full profile →- Population87,775
- Median Income$55,478
- Median Home Value$272k
- Median Rent$1,134
- Median Age27.0 yrs
- Poverty Rate23.3%
Visual comparison (same scale)
Population
20,62487,775
Median Income
$146,551$55,478
Median Home Value
$625k$272k
Median Rent
$1,413$1,134
Median Age
42.7 yrs27.0 yrs
Poverty Rate
5.0%23.3%
Demographics
ZIP 78620
Dripping Springs city, TX
View full profile →- White %81.6%
- Black %0.9%
- Asian %3.9%
- Hispanic %13.7%
- Age 0–17 %25.3%
- Age 18–64 %59.2%
- Age 65+ %15.5%
- Bachelor's+ %61.8%
- Diversity Index31/100
ZIP 78666
San Marcos city, TX
View full profile →- White %63.7%
- Black %5.2%
- Asian %1.8%
- Hispanic %43.8%
- Age 0–17 %13.8%
- Age 18–64 %73.8%
- Age 65+ %12.5%
- Bachelor's+ %34.6%
- Diversity Index40/100
Visual comparison (same scale)
White %
81.6%63.7%
Black %
0.9%5.2%
Asian %
3.9%1.8%
Hispanic %
13.7%43.8%
Age 0–17 %
25.3%13.8%
Age 18–64 %
59.2%73.8%
Age 65+ %
15.5%12.5%
Bachelor's+ %
61.8%34.6%
Diversity Index
31/10040/100
Economy
ZIP 78620
Dripping Springs city, TX
View full profile →- Median Income$146,551
- Unemployment %2.5%
- IRS Net Migration+973
- Work From Home %32.5%
ZIP 78666
San Marcos city, TX
View full profile →- Median Income$55,478
- Unemployment %5.6%
- IRS Net Migration+4,140
- Work From Home %9.4%
Visual comparison (same scale)
Median Income
$146,551$55,478
Unemployment %
2.5%5.6%
IRS Net Migration
+973+4,140
Work From Home %
32.5%9.4%
Housing
ZIP 78620
Dripping Springs city, TX
View full profile →- Median Home Value$625k
- Median Rent$1,413
- Owner Occupied %86.3%
- Broadband %97.1%
- Vacant %5.0%
- Median Year Built2005
ZIP 78666
San Marcos city, TX
View full profile →- Median Home Value$272k
- Median Rent$1,134
- Owner Occupied %38.4%
- Broadband %85.0%
- Vacant %6.9%
- Median Year Built1997
Visual comparison (same scale)
Median Home Value
$625k$272k
Median Rent
$1,413$1,134
Owner Occupied %
86.3%38.4%
Broadband %
97.1%85.0%
Vacant %
5.0%6.9%
Median Year Built
20051997
Climate & Location
ZIP 78620
Dripping Springs city, TX
View full profile →- Snow Days/Year0 days
- Elevation (ft)1,084 ft
- Nearest Airport28.4 miles (45.7 km)
- Distance to Coast123.8 miles (199.3 km)
ZIP 78666
San Marcos city, TX
View full profile →- Snow Days/Year0 days
- Elevation (ft)665 ft
- Nearest Airport28.5 miles (45.9 km)
- Distance to Coast98.4 miles (158.3 km)
Visual comparison (same scale)
Snow Days/Year
0 days0 days
Elevation (ft)
1,084 ft665 ft
Nearest Airport
28.4 miles (45.7 km)28.5 miles (45.9 km)
Distance to Coast
123.8 miles (199.3 km)98.4 miles (158.3 km)
Infrastructure
ZIP 78620
Dripping Springs city, TX
View full profile →- Work From Home %32.5%
- Walkability (0–100)33
- Broadband %97.1%
ZIP 78666
San Marcos city, TX
View full profile →- Work From Home %9.4%
- Walkability (0–100)36
- Broadband %85.0%
Visual comparison (same scale)
Work From Home %
32.5%9.4%
Walkability (0–100)
3336
Broadband %
97.1%85.0%
Frequently Asked Questions
How do ZIP 78620 and 78666 compare?
ZIP 78620 is wealthier, higher home values, lower poverty rate, lower unemployment, more educated, higher work-from-home share. ZIP 78666 is more affordable rent, more diverse.
What do the blue and orange colors mean?
Blue represents the first ZIP (78620), orange the second (78666). The same colors are used in the map markers and comparison bars.
Where does this data come from?
Data is from the U.S. Census Bureau and other federal sources. See our Methodology page for details.
How can I compare other ZIP codes?
From any ZIP page, use the "Compare with Another ZIP" tool, or go to /compare/XXXXX-vs-YYYYY (replace with two 5-digit ZIP codes).
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