21664 vs 21655 — Compare ZIP Codes
Side-by-side comparison. Blue = ZIP 21664, Orange = ZIP 21655.
Quick verdict: ZIP 21664 is more affordable rent. ZIP 21655 is wealthier, higher home values, lower poverty rate, lower unemployment, more diverse, more educated, higher work-from-home share.
Quick Facts
ZIP 21664
Secretary town, MD
View full profile →- Population598
- Median Income$68,333
- Median Home Value$172k
- Median Rent$917
- Median Age37.1 yrs
- Poverty Rate9.7%
ZIP 21655
Preston town, MD
View full profile →- Population4,995
- Median Income$85,608
- Median Home Value$291k
- Median Rent$1,030
- Median Age42.5 yrs
- Poverty Rate7.3%
Visual comparison (same scale)
Population
5984,995
Median Income
$68,333$85,608
Median Home Value
$172k$291k
Median Rent
$917$1,030
Median Age
37.1 yrs42.5 yrs
Poverty Rate
9.7%7.3%
Demographics
ZIP 21664
Secretary town, MD
View full profile →- White %79.3%
- Black %0.2%
- Asian %0.0%
- Hispanic %19.2%
- Age 0–17 %31.6%
- Age 18–64 %53.2%
- Age 65+ %15.2%
- Bachelor's+ %17.0%
- Diversity Index33/100
ZIP 21655
Preston town, MD
View full profile →- White %79.4%
- Black %10.5%
- Asian %0.3%
- Hispanic %1.5%
- Age 0–17 %21.7%
- Age 18–64 %61.0%
- Age 65+ %17.3%
- Bachelor's+ %25.4%
- Diversity Index35/100
Visual comparison (same scale)
White %
79.3%79.4%
Black %
0.2%10.5%
Asian %
0.0%0.3%
Hispanic %
19.2%1.5%
Age 0–17 %
31.6%21.7%
Age 18–64 %
53.2%61.0%
Age 65+ %
15.2%17.3%
Bachelor's+ %
17.0%25.4%
Diversity Index
33/10035/100
Economy
ZIP 21664
Secretary town, MD
View full profile →- Median Income$68,333
- Unemployment %6.2%
- IRS Net Migration+35
- Work From Home %3.5%
ZIP 21655
Preston town, MD
View full profile →- Median Income$85,608
- Unemployment %3.4%
- IRS Net Migration+293
- Work From Home %5.3%
Visual comparison (same scale)
Median Income
$68,333$85,608
Unemployment %
6.2%3.4%
IRS Net Migration
+35+293
Work From Home %
3.5%5.3%
Housing
ZIP 21664
Secretary town, MD
View full profile →- Median Home Value$172k
- Median Rent$917
- Owner Occupied %67.4%
- Broadband %88.6%
- Vacant %12.3%
- Median Year Built1971
ZIP 21655
Preston town, MD
View full profile →- Median Home Value$291k
- Median Rent$1,030
- Owner Occupied %82.2%
- Broadband %89.8%
- Vacant %9.6%
- Median Year Built1979
Visual comparison (same scale)
Median Home Value
$172k$291k
Median Rent
$917$1,030
Owner Occupied %
67.4%82.2%
Broadband %
88.6%89.8%
Vacant %
12.3%9.6%
Median Year Built
19711979
Climate & Location
ZIP 21664
Secretary town, MD
View full profile →- Snow Days/Year0 days
- Elevation (ft)10 ft
- Nearest Airport29.9 miles (48.1 km)
- Distance to Coast1.4 miles (2.3 km)
ZIP 21655
Preston town, MD
View full profile →- Snow Days/Year0 days
- Elevation (ft)10 ft
- Nearest Airport35.4 miles (57.0 km)
- Distance to Coast3.1 miles (5.1 km)
Visual comparison (same scale)
Snow Days/Year
0 days0 days
Elevation (ft)
10 ft10 ft
Nearest Airport
29.9 miles (48.1 km)35.4 miles (57.0 km)
Distance to Coast
1.4 miles (2.3 km)3.1 miles (5.1 km)
Infrastructure
ZIP 21664
Secretary town, MD
View full profile →- Work From Home %3.5%
- Walkability (0–100)23
- Broadband %88.6%
ZIP 21655
Preston town, MD
View full profile →- Work From Home %5.3%
- Walkability (0–100)25
- Broadband %89.8%
Visual comparison (same scale)
Work From Home %
3.5%5.3%
Walkability (0–100)
2325
Broadband %
88.6%89.8%
Frequently Asked Questions
How do ZIP 21664 and 21655 compare?
ZIP 21664 is more affordable rent. ZIP 21655 is wealthier, higher home values, lower poverty rate, lower unemployment, more diverse, more educated, higher work-from-home share.
What do the blue and orange colors mean?
Blue represents the first ZIP (21664), orange the second (21655). 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).
Continue exploring