20777 vs 21042 — Compare ZIP Codes
Side-by-side comparison. Blue = ZIP 20777, Orange = ZIP 21042.
Quick verdict: ZIP 20777 is wealthier, higher home values, more educated, higher work-from-home share. ZIP 21042 is lower poverty rate, lower unemployment, more diverse.
Quick Facts
ZIP 20777
Highland CDP, MD
View full profile →- Population3,046
- Median Income$218,808
- Median Home Value$809k
- Median Rent—
- Median Age45.9 yrs
- Poverty Rate4.6%
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%
Visual comparison (same scale)
Population
3,04643,021
Median Income
$218,808$190,504
Median Home Value
$809k$675k
Median Rent
—$2,133
Median Age
45.9 yrs45.0 yrs
Poverty Rate
4.6%2.7%
Demographics
ZIP 20777
Highland CDP, MD
View full profile →- White %76.0%
- Black %3.3%
- Asian %15.7%
- Hispanic %6.4%
- Age 0–17 %22.9%
- Age 18–64 %58.6%
- Age 65+ %18.5%
- Bachelor's+ %76.0%
- Diversity Index39/100
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
Visual comparison (same scale)
White %
76.0%57.8%
Black %
3.3%4.2%
Asian %
15.7%29.3%
Hispanic %
6.4%4.3%
Age 0–17 %
22.9%25.8%
Age 18–64 %
58.6%55.2%
Age 65+ %
18.5%19.0%
Bachelor's+ %
76.0%74.7%
Diversity Index
39/10057/100
Economy
ZIP 20777
Highland CDP, MD
View full profile →- Median Income$218,808
- Unemployment %3.6%
- IRS Net Migration+179
- Work From Home %28.1%
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%
Visual comparison (same scale)
Median Income
$218,808$190,504
Unemployment %
3.6%2.1%
IRS Net Migration
+179+2,528
Work From Home %
28.1%26.2%
Housing
ZIP 20777
Highland CDP, MD
View full profile →- Median Home Value$809k
- Median Rent—
- Owner Occupied %96.8%
- Broadband %93.7%
- Vacant %2.1%
- Median Year Built1983
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
Visual comparison (same scale)
Median Home Value
$809k$675k
Median Rent
—$2,133
Owner Occupied %
96.8%85.4%
Broadband %
93.7%95.7%
Vacant %
2.1%2.0%
Median Year Built
19831986
Climate & Location
ZIP 20777
Highland CDP, MD
View full profile →- Snow Days/Year0 days
- Elevation (ft)400 ft
- Nearest Airport12.8 miles (20.6 km)
- Distance to Coast17.2 miles (27.7 km)
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)
Visual comparison (same scale)
Snow Days/Year
0 days0 days
Elevation (ft)
400 ft400 ft
Nearest Airport
12.8 miles (20.6 km)14.0 miles (22.5 km)
Distance to Coast
17.2 miles (27.7 km)12.8 miles (20.6 km)
Infrastructure
ZIP 20777
Highland CDP, MD
View full profile →- Work From Home %28.1%
- Walkability (0–100)36
- Broadband %93.7%
ZIP 21042
Ellicott City CDP, MD
View full profile →- Work From Home %26.2%
- Walkability (0–100)38
- Broadband %95.7%
Visual comparison (same scale)
Work From Home %
28.1%26.2%
Walkability (0–100)
3638
Broadband %
93.7%95.7%
Frequently Asked Questions
How do ZIP 20777 and 21042 compare?
ZIP 20777 is wealthier, higher home values, more educated, higher work-from-home share. ZIP 21042 is lower poverty rate, lower unemployment, more diverse.
What do the blue and orange colors mean?
Blue represents the first ZIP (20777), orange the second (21042). 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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