78666 vs 78670 — Compare ZIP Codes
Side-by-side comparison. Blue = ZIP 78666, Orange = ZIP 78670.
Quick verdict: ZIP 78666 is higher home values, lower unemployment, more diverse, more educated. ZIP 78670 is wealthier, more affordable rent, lower poverty rate, higher work-from-home share.
Quick Facts
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%
ZIP 78670
Staples city, TX
View full profile →- Population178
- Median Income$76,591
- Median Home Value$233k
- Median Rent$1,042
- Median Age40.4 yrs
- Poverty Rate1.1%
Visual comparison (same scale)
Population
87,775178
Median Income
$55,478$76,591
Median Home Value
$272k$233k
Median Rent
$1,134$1,042
Median Age
27.0 yrs40.4 yrs
Poverty Rate
23.3%1.1%
Demographics
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
ZIP 78670
Staples city, TX
View full profile →- White %75.8%
- Black %3.9%
- Asian %0.0%
- Hispanic %39.3%
- Age 0–17 %40.5%
- Age 18–64 %40.5%
- Age 65+ %19.1%
- Bachelor's+ %30.2%
- Diversity Index27/100
Visual comparison (same scale)
White %
63.7%75.8%
Black %
5.2%3.9%
Asian %
1.8%0.0%
Hispanic %
43.8%39.3%
Age 0–17 %
13.8%40.5%
Age 18–64 %
73.8%40.5%
Age 65+ %
12.5%19.1%
Bachelor's+ %
34.6%30.2%
Diversity Index
40/10027/100
Economy
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%
- Mean Commute (min)—
ZIP 78670
Staples city, TX
View full profile →- Median Income$76,591
- Unemployment %17.5%
- IRS Net Migration+8
- Work From Home %15.4%
- Mean Commute (min)44 min
Visual comparison (same scale)
Median Income
$55,478$76,591
Unemployment %
5.6%17.5%
IRS Net Migration
+4,140+8
Work From Home %
9.4%15.4%
Mean Commute (min)
—44 min
Housing
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
ZIP 78670
Staples city, TX
View full profile →- Median Home Value$233k
- Median Rent$1,042
- Owner Occupied %64.7%
- Broadband %92.7%
- Vacant %8.1%
- Median Year Built1982
Visual comparison (same scale)
Median Home Value
$272k$233k
Median Rent
$1,134$1,042
Owner Occupied %
38.4%64.7%
Broadband %
85.0%92.7%
Vacant %
6.9%8.1%
Median Year Built
19971982
Climate & Location
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)
ZIP 78670
Staples city, TX
View full profile →- Snow Days/Year0 days
- Elevation (ft)665 ft
- Nearest Airport30.6 miles (49.3 km)
- Distance to Coast87.3 miles (140.5 km)
Visual comparison (same scale)
Snow Days/Year
0 days0 days
Elevation (ft)
665 ft665 ft
Nearest Airport
28.5 miles (45.9 km)30.6 miles (49.3 km)
Distance to Coast
98.4 miles (158.3 km)87.3 miles (140.5 km)
Infrastructure
ZIP 78666
San Marcos city, TX
View full profile →- Mean Commute (min)—
- Work From Home %9.4%
- Walkability (0–100)36
- Broadband %85.0%
ZIP 78670
Staples city, TX
View full profile →- Mean Commute (min)44 min
- Work From Home %15.4%
- Walkability (0–100)17
- Broadband %92.7%
Visual comparison (same scale)
Mean Commute (min)
—44 min
Work From Home %
9.4%15.4%
Walkability (0–100)
3617
Broadband %
85.0%92.7%
Frequently Asked Questions
How do ZIP 78666 and 78670 compare?
ZIP 78666 is higher home values, lower unemployment, more diverse, more educated. ZIP 78670 is wealthier, more affordable rent, lower poverty rate, higher work-from-home share.
What do the blue and orange colors mean?
Blue represents the first ZIP (78666), orange the second (78670). 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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