21638 vs 21623 — Compare ZIP Codes
Side-by-side comparison. Blue = ZIP 21638, Orange = ZIP 21623.
Quick verdict: ZIP 21638 is wealthier, higher home values, more educated, higher work-from-home share. ZIP 21623 is more affordable rent, lower poverty rate, lower unemployment, more diverse.
Quick Facts
ZIP 21638
Grasonville CDP, MD
View full profile →- Population5,068
- Median Income$130,804
- Median Home Value$491k
- Median Rent$1,440
- Median Age45.8 yrs
- Poverty Rate8.3%
ZIP 21623
Church Hill town, MD
View full profile →- Population2,482
- Median Income$77,014
- Median Home Value$383k
- Median Rent$958
- Median Age35.9 yrs
- Poverty Rate7.7%
Visual comparison (same scale)
Population
5,0682,482
Median Income
$130,804$77,014
Median Home Value
$491k$383k
Median Rent
$1,440$958
Median Age
45.8 yrs35.9 yrs
Poverty Rate
8.3%7.7%
Demographics
ZIP 21638
Grasonville CDP, MD
View full profile →- White %82.1%
- Black %5.0%
- Asian %0.4%
- Hispanic %5.4%
- Age 0–17 %23.2%
- Age 18–64 %57.7%
- Age 65+ %19.1%
- Bachelor's+ %43.2%
- Diversity Index32/100
ZIP 21623
Church Hill town, MD
View full profile →- White %63.8%
- Black %13.3%
- Asian %2.3%
- Hispanic %21.8%
- Age 0–17 %25.1%
- Age 18–64 %63.1%
- Age 65+ %11.8%
- Bachelor's+ %21.2%
- Diversity Index53/100
Visual comparison (same scale)
White %
82.1%63.8%
Black %
5.0%13.3%
Asian %
0.4%2.3%
Hispanic %
5.4%21.8%
Age 0–17 %
23.2%25.1%
Age 18–64 %
57.7%63.1%
Age 65+ %
19.1%11.8%
Bachelor's+ %
43.2%21.2%
Diversity Index
32/10053/100
Economy
ZIP 21638
Grasonville CDP, MD
View full profile →- Median Income$130,804
- Unemployment %2.6%
- IRS Net Migration+298
- Work From Home %19.9%
ZIP 21623
Church Hill town, MD
View full profile →- Median Income$77,014
- Unemployment %2.0%
- IRS Net Migration+146
- Work From Home %3.5%
Visual comparison (same scale)
Median Income
$130,804$77,014
Unemployment %
2.6%2.0%
IRS Net Migration
+298+146
Work From Home %
19.9%3.5%
Housing
ZIP 21638
Grasonville CDP, MD
View full profile →- Median Home Value$491k
- Median Rent$1,440
- Owner Occupied %82.7%
- Broadband %85.0%
- Vacant %14.4%
- Median Year Built1992
ZIP 21623
Church Hill town, MD
View full profile →- Median Home Value$383k
- Median Rent$958
- Owner Occupied %84.8%
- Broadband %79.8%
- Vacant %4.8%
- Median Year Built2000
Visual comparison (same scale)
Median Home Value
$491k$383k
Median Rent
$1,440$958
Owner Occupied %
82.7%84.8%
Broadband %
85.0%79.8%
Vacant %
14.4%4.8%
Median Year Built
19922000
Climate & Location
ZIP 21638
Grasonville CDP, MD
View full profile →- Snow Days/Year0 days
- Elevation (ft)10 ft
- Nearest Airport28.8 miles (46.4 km)
- Distance to Coast0.7 miles (1.1 km)
ZIP 21623
Church Hill town, MD
View full profile →- Snow Days/Year0 days
- Elevation (ft)40 ft
- Nearest Airport26.0 miles (41.8 km)
- Distance to Coast2.6 miles (4.3 km)
Visual comparison (same scale)
Snow Days/Year
0 days0 days
Elevation (ft)
10 ft40 ft
Nearest Airport
28.8 miles (46.4 km)26.0 miles (41.8 km)
Distance to Coast
0.7 miles (1.1 km)2.6 miles (4.3 km)
Infrastructure
ZIP 21638
Grasonville CDP, MD
View full profile →- Work From Home %19.9%
- Walkability (0–100)32
- Broadband %85.0%
ZIP 21623
Church Hill town, MD
View full profile →- Work From Home %3.5%
- Walkability (0–100)30
- Broadband %79.8%
Visual comparison (same scale)
Work From Home %
19.9%3.5%
Walkability (0–100)
3230
Broadband %
85.0%79.8%
Frequently Asked Questions
How do ZIP 21638 and 21623 compare?
ZIP 21638 is wealthier, higher home values, more educated, higher work-from-home share. ZIP 21623 is more affordable rent, lower poverty rate, lower unemployment, more diverse.
What do the blue and orange colors mean?
Blue represents the first ZIP (21638), orange the second (21623). 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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