94528 vs 94509 — Compare ZIP Codes
Side-by-side comparison. Blue = ZIP 94528, Orange = ZIP 94509.
Quick verdict: ZIP 94528 is higher home values, lower poverty rate, more educated. ZIP 94509 is wealthier, lower unemployment, more diverse, higher work-from-home share.
Quick Facts
ZIP 94528
Diablo CDP, CA
View full profile →- Population1,000
- Median Income$0
- Median Home Value$2000k
- Median Rent—
- Median Age37.8 yrs
- Poverty Rate10.6%
ZIP 94509
Antioch city, CA
View full profile →- Population71,013
- Median Income$81,512
- Median Home Value$565k
- Median Rent$1,779
- Median Age37.6 yrs
- Poverty Rate13.7%
Visual comparison (same scale)
Population
1,00071,013
Median Income
$0$81,512
Median Home Value
$2000k$565k
Median Rent
—$1,779
Median Age
37.8 yrs37.6 yrs
Poverty Rate
10.6%13.7%
Demographics
ZIP 94528
Diablo CDP, CA
View full profile →- White %85.6%
- Black %0.0%
- Asian %1.7%
- Hispanic %10.6%
- Age 0–17 %26.7%
- Age 18–64 %60.0%
- Age 65+ %13.3%
- Bachelor's+ %85.0%
- Diversity Index26/100
ZIP 94509
Antioch city, CA
View full profile →- White %30.7%
- Black %16.7%
- Asian %9.1%
- Hispanic %42.5%
- Age 0–17 %24.1%
- Age 18–64 %61.5%
- Age 65+ %14.4%
- Bachelor's+ %18.9%
- Diversity Index69/100
Visual comparison (same scale)
White %
85.6%30.7%
Black %
0.0%16.7%
Asian %
1.7%9.1%
Hispanic %
10.6%42.5%
Age 0–17 %
26.7%24.1%
Age 18–64 %
60.0%61.5%
Age 65+ %
13.3%14.4%
Bachelor's+ %
85.0%18.9%
Diversity Index
26/10069/100
Economy
ZIP 94528
Diablo CDP, CA
View full profile →- Median Income$0
- Unemployment %8.2%
- IRS Net Migration+49
- Work From Home %4.2%
ZIP 94509
Antioch city, CA
View full profile →- Median Income$81,512
- Unemployment %8.1%
- IRS Net Migration+3,495
- Work From Home %8.1%
Visual comparison (same scale)
Median Income
$0$81,512
Unemployment %
8.2%8.1%
IRS Net Migration
+49+3,495
Work From Home %
4.2%8.1%
Housing
ZIP 94528
Diablo CDP, CA
View full profile →- Median Home Value$2000k
- Median Rent—
- Owner Occupied %100.0%
- Broadband %100.0%
- Vacant %9.1%
- Median Year Built1981
ZIP 94509
Antioch city, CA
View full profile →- Median Home Value$565k
- Median Rent$1,779
- Owner Occupied %58.3%
- Broadband %94.6%
- Vacant %2.6%
- Median Year Built1975
Visual comparison (same scale)
Median Home Value
$2000k$565k
Median Rent
—$1,779
Owner Occupied %
100.0%58.3%
Broadband %
100.0%94.6%
Vacant %
9.1%2.6%
Median Year Built
19811975
Climate & Location
ZIP 94528
Diablo CDP, CA
View full profile →- Snow Days/Year0 days
- Elevation (ft)2,170 ft
- Nearest Airport11.5 miles (18.5 km)
- Distance to Coast13.6 miles (21.8 km)
ZIP 94509
Antioch city, CA
View full profile →- Snow Days/Year0 days
- Elevation (ft)60 ft
- Nearest Airport13.3 miles (21.5 km)
- Distance to Coast1.5 miles (2.4 km)
Visual comparison (same scale)
Snow Days/Year
0 days0 days
Elevation (ft)
2,170 ft60 ft
Nearest Airport
11.5 miles (18.5 km)13.3 miles (21.5 km)
Distance to Coast
13.6 miles (21.8 km)1.5 miles (2.4 km)
Infrastructure
ZIP 94509
Antioch city, CA
View full profile →- Work From Home %8.1%
- Walkability (0–100)45
- Broadband %94.6%
Visual comparison (same scale)
Work From Home %
4.2%8.1%
Walkability (0–100)
—45
Broadband %
100.0%94.6%
Frequently Asked Questions
How do ZIP 94528 and 94509 compare?
ZIP 94528 is higher home values, lower poverty rate, more educated. ZIP 94509 is wealthier, lower unemployment, more diverse, higher work-from-home share.
What do the blue and orange colors mean?
Blue represents the first ZIP (94528), orange the second (94509). 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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