21557 vs 21523 — Compare ZIP Codes
Side-by-side comparison. Blue = ZIP 21557, Orange = ZIP 21523.
Quick verdict: ZIP 21557 is lower unemployment, higher work-from-home share. ZIP 21523 is wealthier, higher home values, lower poverty rate, more diverse, more educated.
Quick Facts
ZIP 21557
Danville CDP, MD
View full profile →- Population1,323
- Median Income$33,646
- Median Home Value$100k
- Median Age49.3 yrs
- Poverty Rate15.3%
ZIP 21523
Bloomington CDP, MD
View full profile →- Population165
- Median Income$70,347
- Median Home Value$105k
- Median Age38.1 yrs
- Poverty Rate9.1%
Visual comparison (same scale)
Population
1,323165
Median Income
$33,646$70,347
Median Home Value
$100k$105k
Median Age
49.3 yrs38.1 yrs
Poverty Rate
15.3%9.1%
Demographics
ZIP 21557
Danville CDP, MD
View full profile →- White %92.7%
- Black %0.0%
- Asian %7.3%
- Hispanic %0.0%
- Age 0–17 %15.3%
- Age 18–64 %65.6%
- Age 65+ %19.1%
- Bachelor's+ %24.2%
- Diversity Index13/100
ZIP 21523
Bloomington CDP, MD
View full profile →- White %81.2%
- Black %0.0%
- Asian %10.9%
- Hispanic %0.0%
- Age 0–17 %21.8%
- Age 18–64 %60.0%
- Age 65+ %18.2%
- Bachelor's+ %32.7%
- Diversity Index32/100
Visual comparison (same scale)
White %
92.7%81.2%
Black %
0.0%0.0%
Asian %
7.3%10.9%
Hispanic %
0.0%0.0%
Age 0–17 %
15.3%21.8%
Age 18–64 %
65.6%60.0%
Age 65+ %
19.1%18.2%
Bachelor's+ %
24.2%32.7%
Diversity Index
13/10032/100
Economy
ZIP 21557
Danville CDP, MD
View full profile →- Median Income$33,646
- Unemployment %0.0%
- IRS Net Migration+78
- Work From Home %10.0%
- Mean Commute (min)—
ZIP 21523
Bloomington CDP, MD
View full profile →- Median Income$70,347
- Unemployment %11.2%
- IRS Net Migration+10
- Work From Home %0.0%
- Mean Commute (min)79 min
Visual comparison (same scale)
Median Income
$33,646$70,347
Unemployment %
0.0%11.2%
IRS Net Migration
+78+10
Work From Home %
10.0%0.0%
Mean Commute (min)
—79 min
Housing
ZIP 21557
Danville CDP, MD
View full profile →- Median Home Value$100k
- Owner Occupied %77.0%
- Broadband %73.6%
- Vacant %14.2%
- Median Year Built1961
ZIP 21523
Bloomington CDP, MD
View full profile →- Median Home Value$105k
- Owner Occupied %87.7%
- Broadband %100.0%
- Vacant %0.0%
- Median Year Built1962
Visual comparison (same scale)
Median Home Value
$100k$105k
Owner Occupied %
77.0%87.7%
Broadband %
73.6%100.0%
Vacant %
14.2%0.0%
Median Year Built
19611962
Climate & Location
ZIP 21557
Danville CDP, MD
View full profile →- Snow Days/Year0 days
- Elevation (ft)965 ft
- Nearest Airport51.0 miles (82.1 km)
- Distance to Coast106.2 miles (170.9 km)
ZIP 21523
Bloomington CDP, MD
View full profile →- Snow Days/Year0 days
- Elevation (ft)1,495 ft
- Nearest Airport46.1 miles (74.2 km)
- Distance to Coast112.0 miles (180.2 km)
Visual comparison (same scale)
Snow Days/Year
0 days0 days
Elevation (ft)
965 ft1,495 ft
Nearest Airport
51.0 miles (82.1 km)46.1 miles (74.2 km)
Distance to Coast
106.2 miles (170.9 km)112.0 miles (180.2 km)
Infrastructure
ZIP 21557
Danville CDP, MD
View full profile →- Mean Commute (min)—
- Work From Home %10.0%
- Walkability (0–100)36
- Broadband %73.6%
ZIP 21523
Bloomington CDP, MD
View full profile →- Mean Commute (min)79 min
- Work From Home %0.0%
- Walkability (0–100)16
- Broadband %100.0%
Visual comparison (same scale)
Mean Commute (min)
—79 min
Work From Home %
10.0%0.0%
Walkability (0–100)
3616
Broadband %
73.6%100.0%
Frequently Asked Questions
How do ZIP 21557 and 21523 compare?
ZIP 21557 is lower unemployment, higher work-from-home share. ZIP 21523 is wealthier, higher home values, lower poverty rate, more diverse, more educated.
What do the blue and orange colors mean?
Blue represents the first ZIP (21557), orange the second (21523). 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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