21009 vs 21040 — Compare ZIP Codes
Side-by-side comparison. Blue = ZIP 21009, Orange = ZIP 21040.
Quick verdict: ZIP 21009 is wealthier, higher home values, lower poverty rate, lower unemployment, more educated, higher work-from-home share. ZIP 21040 is more affordable rent, more diverse.
Quick Facts
ZIP 21009
Bel Air South CDP, MD
View full profile →- Population33,444
- Median Income$117,017
- Median Home Value$335k
- Median Rent$1,491
- Median Age36.1 yrs
- Poverty Rate3.9%
ZIP 21040
Edgewood CDP, MD
View full profile →- Population25,290
- Median Income$86,925
- Median Home Value$231k
- Median Rent$1,237
- Median Age36.8 yrs
- Poverty Rate10.9%
Visual comparison (same scale)
Population
33,44425,290
Median Income
$117,017$86,925
Median Home Value
$335k$231k
Median Rent
$1,491$1,237
Median Age
36.1 yrs36.8 yrs
Poverty Rate
3.9%10.9%
Demographics
ZIP 21009
Bel Air South CDP, MD
View full profile →- White %70.8%
- Black %18.1%
- Asian %4.5%
- Hispanic %5.8%
- Age 0–17 %22.2%
- Age 18–64 %66.0%
- Age 65+ %11.8%
- Bachelor's+ %39.7%
- Diversity Index46/100
ZIP 21040
Edgewood CDP, MD
View full profile →- White %37.8%
- Black %45.2%
- Asian %1.5%
- Hispanic %9.6%
- Age 0–17 %24.1%
- Age 18–64 %62.4%
- Age 65+ %13.6%
- Bachelor's+ %23.2%
- Diversity Index64/100
Visual comparison (same scale)
White %
70.8%37.8%
Black %
18.1%45.2%
Asian %
4.5%1.5%
Hispanic %
5.8%9.6%
Age 0–17 %
22.2%24.1%
Age 18–64 %
66.0%62.4%
Age 65+ %
11.8%13.6%
Bachelor's+ %
39.7%23.2%
Diversity Index
46/10064/100
Economy
ZIP 21009
Bel Air South CDP, MD
View full profile →- Median Income$117,017
- Unemployment %3.6%
- IRS Net Migration+1,965
- Work From Home %14.7%
ZIP 21040
Edgewood CDP, MD
View full profile →- Median Income$86,925
- Unemployment %8.3%
- IRS Net Migration+1,486
- Work From Home %9.3%
Visual comparison (same scale)
Median Income
$117,017$86,925
Unemployment %
3.6%8.3%
IRS Net Migration
+1,965+1,486
Work From Home %
14.7%9.3%
Housing
ZIP 21009
Bel Air South CDP, MD
View full profile →- Median Home Value$335k
- Median Rent$1,491
- Owner Occupied %81.3%
- Broadband %96.0%
- Vacant %2.8%
- Median Year Built1993
ZIP 21040
Edgewood CDP, MD
View full profile →- Median Home Value$231k
- Median Rent$1,237
- Owner Occupied %68.6%
- Broadband %90.5%
- Vacant %3.3%
- Median Year Built1983
Visual comparison (same scale)
Median Home Value
$335k$231k
Median Rent
$1,491$1,237
Owner Occupied %
81.3%68.6%
Broadband %
96.0%90.5%
Vacant %
2.8%3.3%
Median Year Built
19931983
Climate & Location
ZIP 21009
Bel Air South CDP, MD
View full profile →- Snow Days/Year0 days
- Elevation (ft)57 ft
- Nearest Airport6.7 miles (10.8 km)
- Distance to Coast2.4 miles (3.9 km)
ZIP 21040
Edgewood CDP, MD
View full profile →- Snow Days/Year0 days
- Elevation (ft)57 ft
- Nearest Airport6.8 miles (10.9 km)
- Distance to Coast1.8 miles (2.8 km)
Visual comparison (same scale)
Snow Days/Year
0 days0 days
Elevation (ft)
57 ft57 ft
Nearest Airport
6.7 miles (10.8 km)6.8 miles (10.9 km)
Distance to Coast
2.4 miles (3.9 km)1.8 miles (2.8 km)
Infrastructure
ZIP 21009
Bel Air South CDP, MD
View full profile →- Work From Home %14.7%
- Walkability (0–100)52
- Broadband %96.0%
ZIP 21040
Edgewood CDP, MD
View full profile →- Work From Home %9.3%
- Walkability (0–100)57
- Broadband %90.5%
Visual comparison (same scale)
Work From Home %
14.7%9.3%
Walkability (0–100)
5257
Broadband %
96.0%90.5%
Frequently Asked Questions
How do ZIP 21009 and 21040 compare?
ZIP 21009 is wealthier, higher home values, lower poverty rate, lower unemployment, more educated, higher work-from-home share. ZIP 21040 is more affordable rent, more diverse.
What do the blue and orange colors mean?
Blue represents the first ZIP (21009), orange the second (21040). 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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