21042 vs 20723 — Compare ZIP Codes
Side-by-side comparison. Blue = ZIP 21042, Orange = ZIP 20723.
Quick verdict: ZIP 21042 is wealthier, higher home values, lower poverty rate, lower unemployment, more educated, higher work-from-home share. ZIP 20723 is more affordable rent, more diverse.
Quick Facts
ZIP 21042
Ellicott City CDP, MD
View full profile →- Population43,021
- Median Income$190,504
- Median Home Value$675k
- Median Rent$2,133
- Median Age45.0 yrs
- Poverty Rate2.7%
ZIP 20723
North Laurel CDP, MD
View full profile →- Population36,319
- Median Income$129,870
- Median Home Value$508k
- Median Rent$1,855
- Median Age37.2 yrs
- Poverty Rate3.1%
Visual comparison (same scale)
Population
43,02136,319
Median Income
$190,504$129,870
Median Home Value
$675k$508k
Median Rent
$2,133$1,855
Median Age
45.0 yrs37.2 yrs
Poverty Rate
2.7%3.1%
Demographics
ZIP 21042
Ellicott City CDP, MD
View full profile →- White %57.8%
- Black %4.2%
- Asian %29.3%
- Hispanic %4.3%
- Age 0–17 %25.8%
- Age 18–64 %55.2%
- Age 65+ %19.0%
- Bachelor's+ %74.7%
- Diversity Index57/100
ZIP 20723
North Laurel CDP, MD
View full profile →- White %37.1%
- Black %29.9%
- Asian %16.3%
- Hispanic %12.6%
- Age 0–17 %24.4%
- Age 18–64 %63.0%
- Age 65+ %12.6%
- Bachelor's+ %60.4%
- Diversity Index73/100
Visual comparison (same scale)
White %
57.8%37.1%
Black %
4.2%29.9%
Asian %
29.3%16.3%
Hispanic %
4.3%12.6%
Age 0–17 %
25.8%24.4%
Age 18–64 %
55.2%63.0%
Age 65+ %
19.0%12.6%
Bachelor's+ %
74.7%60.4%
Diversity Index
57/10073/100
Economy
ZIP 21042
Ellicott City CDP, MD
View full profile →- Median Income$190,504
- Unemployment %2.1%
- IRS Net Migration+2,528
- Work From Home %26.2%
ZIP 20723
North Laurel CDP, MD
View full profile →- Median Income$129,870
- Unemployment %2.9%
- IRS Net Migration+2,134
- Work From Home %23.2%
Visual comparison (same scale)
Median Income
$190,504$129,870
Unemployment %
2.1%2.9%
IRS Net Migration
+2,528+2,134
Work From Home %
26.2%23.2%
Housing
ZIP 21042
Ellicott City CDP, MD
View full profile →- Median Home Value$675k
- Median Rent$2,133
- Owner Occupied %85.4%
- Broadband %95.7%
- Vacant %2.0%
- Median Year Built1986
ZIP 20723
North Laurel CDP, MD
View full profile →- Median Home Value$508k
- Median Rent$1,855
- Owner Occupied %69.6%
- Broadband %97.2%
- Vacant %3.9%
- Median Year Built1992
Visual comparison (same scale)
Median Home Value
$675k$508k
Median Rent
$2,133$1,855
Owner Occupied %
85.4%69.6%
Broadband %
95.7%97.2%
Vacant %
2.0%3.9%
Median Year Built
19861992
Climate & Location
ZIP 21042
Ellicott City CDP, MD
View full profile →- Snow Days/Year0 days
- Elevation (ft)400 ft
- Nearest Airport14.0 miles (22.5 km)
- Distance to Coast12.8 miles (20.6 km)
ZIP 20723
North Laurel CDP, MD
View full profile →- Snow Days/Year0 days
- Elevation (ft)400 ft
- Nearest Airport6.8 miles (11.0 km)
- Distance to Coast13.1 miles (21.0 km)
Visual comparison (same scale)
Snow Days/Year
0 days0 days
Elevation (ft)
400 ft400 ft
Nearest Airport
14.0 miles (22.5 km)6.8 miles (11.0 km)
Distance to Coast
12.8 miles (20.6 km)13.1 miles (21.0 km)
Infrastructure
ZIP 21042
Ellicott City CDP, MD
View full profile →- Work From Home %26.2%
- Walkability (0–100)38
- Broadband %95.7%
ZIP 20723
North Laurel CDP, MD
View full profile →- Work From Home %23.2%
- Walkability (0–100)52
- Broadband %97.2%
Visual comparison (same scale)
Work From Home %
26.2%23.2%
Walkability (0–100)
3852
Broadband %
95.7%97.2%
Frequently Asked Questions
How do ZIP 21042 and 20723 compare?
ZIP 21042 is wealthier, higher home values, lower poverty rate, lower unemployment, more educated, higher work-from-home share. ZIP 20723 is more affordable rent, more diverse.
What do the blue and orange colors mean?
Blue represents the first ZIP (21042), orange the second (20723). 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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