21140 vs 21401 — Compare ZIP Codes
Side-by-side comparison. Blue = ZIP 21140, Orange = ZIP 21401.
Quick verdict: ZIP 21140 is wealthier, higher home values, lower poverty rate, lower unemployment, higher work-from-home share. ZIP 21401 is more affordable rent, more diverse, more educated.
Quick Facts
ZIP 21140
Riva CDP, MD
View full profile →- Population4,231
- Median Income$152,188
- Median Home Value$598k
- Median Rent$2,071
- Median Age44.2 yrs
- Poverty Rate0.8%
ZIP 21401
Parole CDP, MD
View full profile →- Population39,118
- Median Income$119,296
- Median Home Value$581k
- Median Rent$1,931
- Median Age45.2 yrs
- Poverty Rate7.1%
Visual comparison (same scale)
Population
4,23139,118
Median Income
$152,188$119,296
Median Home Value
$598k$581k
Median Rent
$2,071$1,931
Median Age
44.2 yrs45.2 yrs
Poverty Rate
0.8%7.1%
Demographics
ZIP 21140
Riva CDP, MD
View full profile →- White %90.8%
- Black %0.3%
- Asian %0.8%
- Hispanic %8.3%
- Age 0–17 %26.0%
- Age 18–64 %48.9%
- Age 65+ %25.1%
- Bachelor's+ %51.7%
- Diversity Index17/100
ZIP 21401
Parole CDP, MD
View full profile →- White %72.9%
- Black %14.6%
- Asian %4.3%
- Hispanic %8.8%
- Age 0–17 %18.2%
- Age 18–64 %55.9%
- Age 65+ %25.9%
- Bachelor's+ %60.8%
- Diversity Index44/100
Visual comparison (same scale)
White %
90.8%72.9%
Black %
0.3%14.6%
Asian %
0.8%4.3%
Hispanic %
8.3%8.8%
Age 0–17 %
26.0%18.2%
Age 18–64 %
48.9%55.9%
Age 65+ %
25.1%25.9%
Bachelor's+ %
51.7%60.8%
Diversity Index
17/10044/100
Economy
ZIP 21140
Riva CDP, MD
View full profile →- Median Income$152,188
- Unemployment %0.7%
- IRS Net Migration+249
- Work From Home %22.9%
ZIP 21401
Parole CDP, MD
View full profile →- Median Income$119,296
- Unemployment %3.5%
- IRS Net Migration+2,298
- Work From Home %19.6%
Visual comparison (same scale)
Median Income
$152,188$119,296
Unemployment %
0.7%3.5%
IRS Net Migration
+249+2,298
Work From Home %
22.9%19.6%
Housing
ZIP 21140
Riva CDP, MD
View full profile →- Median Home Value$598k
- Median Rent$2,071
- Owner Occupied %97.6%
- Broadband %96.3%
- Vacant %2.5%
- Median Year Built1979
ZIP 21401
Parole CDP, MD
View full profile →- Median Home Value$581k
- Median Rent$1,931
- Owner Occupied %62.5%
- Broadband %92.1%
- Vacant %6.8%
- Median Year Built1985
Visual comparison (same scale)
Median Home Value
$598k$581k
Median Rent
$2,071$1,931
Owner Occupied %
97.6%62.5%
Broadband %
96.3%92.1%
Vacant %
2.5%6.8%
Median Year Built
19791985
Climate & Location
ZIP 21140
Riva CDP, MD
View full profile →- Snow Days/Year0 days
- Elevation (ft)25 ft
- Nearest Airport13.6 miles (21.8 km)
- Distance to Coast0.6 miles (1.0 km)
ZIP 21401
Parole CDP, MD
View full profile →- Snow Days/Year0 days
- Elevation (ft)25 ft
- Nearest Airport13.0 miles (20.9 km)
- Distance to Coast1.6 miles (2.6 km)
Visual comparison (same scale)
Snow Days/Year
0 days0 days
Elevation (ft)
25 ft25 ft
Nearest Airport
13.6 miles (21.8 km)13.0 miles (20.9 km)
Distance to Coast
0.6 miles (1.0 km)1.6 miles (2.6 km)
Infrastructure
ZIP 21401
Parole CDP, MD
View full profile →- Work From Home %19.6%
- Walkability (0–100)54
- Broadband %92.1%
Visual comparison (same scale)
Work From Home %
22.9%19.6%
Walkability (0–100)
4454
Broadband %
96.3%92.1%
Frequently Asked Questions
How do ZIP 21140 and 21401 compare?
ZIP 21140 is wealthier, higher home values, lower poverty rate, lower unemployment, higher work-from-home share. ZIP 21401 is more affordable rent, more diverse, more educated.
What do the blue and orange colors mean?
Blue represents the first ZIP (21140), orange the second (21401). 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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