21084 vs 21009 — Compare ZIP Codes
Side-by-side comparison. Blue = ZIP 21084, Orange = ZIP 21009.
Quick verdict: ZIP 21084 is wealthier, higher home values, more affordable rent, more educated. ZIP 21009 is lower poverty rate, lower unemployment, more diverse, higher work-from-home share.
Quick Facts
ZIP 21084
Jarrettsville CDP, MD
View full profile →- Population7,488
- Median Income$118,098
- Median Home Value$445k
- Median Rent$992
- Median Age46.3 yrs
- Poverty Rate4.7%
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%
Visual comparison (same scale)
Population
7,48833,444
Median Income
$118,098$117,017
Median Home Value
$445k$335k
Median Rent
$992$1,491
Median Age
46.3 yrs36.1 yrs
Poverty Rate
4.7%3.9%
Demographics
ZIP 21084
Jarrettsville CDP, MD
View full profile →- White %92.3%
- Black %0.8%
- Asian %3.1%
- Hispanic %0.9%
- Age 0–17 %23.1%
- Age 18–64 %51.6%
- Age 65+ %25.3%
- Bachelor's+ %43.4%
- Diversity Index15/100
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
Visual comparison (same scale)
White %
92.3%70.8%
Black %
0.8%18.1%
Asian %
3.1%4.5%
Hispanic %
0.9%5.8%
Age 0–17 %
23.1%22.2%
Age 18–64 %
51.6%66.0%
Age 65+ %
25.3%11.8%
Bachelor's+ %
43.4%39.7%
Diversity Index
15/10046/100
Economy
ZIP 21084
Jarrettsville CDP, MD
View full profile →- Median Income$118,098
- Unemployment %5.5%
- IRS Net Migration+440
- Work From Home %13.8%
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%
Visual comparison (same scale)
Median Income
$118,098$117,017
Unemployment %
5.5%3.6%
IRS Net Migration
+440+1,965
Work From Home %
13.8%14.7%
Housing
ZIP 21084
Jarrettsville CDP, MD
View full profile →- Median Home Value$445k
- Median Rent$992
- Owner Occupied %91.9%
- Broadband %94.7%
- Vacant %1.7%
- Median Year Built1978
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
Visual comparison (same scale)
Median Home Value
$445k$335k
Median Rent
$992$1,491
Owner Occupied %
91.9%81.3%
Broadband %
94.7%96.0%
Vacant %
1.7%2.8%
Median Year Built
19781993
Climate & Location
ZIP 21084
Jarrettsville CDP, MD
View full profile →- Snow Days/Year0 days
- Elevation (ft)40 ft
- Nearest Airport18.9 miles (30.3 km)
- Distance to Coast15.6 miles (25.1 km)
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)
Visual comparison (same scale)
Snow Days/Year
0 days0 days
Elevation (ft)
40 ft57 ft
Nearest Airport
18.9 miles (30.3 km)6.7 miles (10.8 km)
Distance to Coast
15.6 miles (25.1 km)2.4 miles (3.9 km)
Infrastructure
ZIP 21084
Jarrettsville CDP, MD
View full profile →- Work From Home %13.8%
- Walkability (0–100)26
- Broadband %94.7%
ZIP 21009
Bel Air South CDP, MD
View full profile →- Work From Home %14.7%
- Walkability (0–100)52
- Broadband %96.0%
Visual comparison (same scale)
Work From Home %
13.8%14.7%
Walkability (0–100)
2652
Broadband %
94.7%96.0%
Frequently Asked Questions
How do ZIP 21084 and 21009 compare?
ZIP 21084 is wealthier, higher home values, more affordable rent, more educated. ZIP 21009 is lower poverty rate, lower unemployment, more diverse, higher work-from-home share.
What do the blue and orange colors mean?
Blue represents the first ZIP (21084), orange the second (21009). 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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