20833 vs 21738 — Compare ZIP Codes
Side-by-side comparison. Blue = ZIP 20833, Orange = ZIP 21738.
Quick verdict: ZIP 20833 is more diverse, higher work-from-home share. ZIP 21738 is wealthier, higher home values, lower poverty rate, lower unemployment, more educated.
Quick Facts
ZIP 20833
Olney CDP, MD
View full profile →- Population7,868
- Median Income$203,631
- Median Home Value$762k
- Median Rent$2,254
- Median Age47.5 yrs
- Poverty Rate7.7%
ZIP 21738
MD
View full profile →- Population3,668
- Median Income$230,429
- Median Home Value$889k
- Median Rent—
- Median Age47.0 yrs
- Poverty Rate3.0%
Visual comparison (same scale)
Population
7,8683,668
Median Income
$203,631$230,429
Median Home Value
$762k$889k
Median Rent
$2,254—
Median Age
47.5 yrs47.0 yrs
Poverty Rate
7.7%3.0%
Demographics
ZIP 20833
Olney CDP, MD
View full profile →- White %67.8%
- Black %9.4%
- Asian %9.2%
- Hispanic %9.2%
- Age 0–17 %24.9%
- Age 18–64 %54.3%
- Age 65+ %20.8%
- Bachelor's+ %65.0%
- Diversity Index51/100
ZIP 21738
MD
View full profile →- White %87.4%
- Black %2.2%
- Asian %5.9%
- Hispanic %0.5%
- Age 0–17 %25.3%
- Age 18–64 %52.7%
- Age 65+ %22.1%
- Bachelor's+ %75.9%
- Diversity Index23/100
Visual comparison (same scale)
White %
67.8%87.4%
Black %
9.4%2.2%
Asian %
9.2%5.9%
Hispanic %
9.2%0.5%
Age 0–17 %
24.9%25.3%
Age 18–64 %
54.3%52.7%
Age 65+ %
20.8%22.1%
Bachelor's+ %
65.0%75.9%
Diversity Index
51/10023/100
Economy
ZIP 20833
Olney CDP, MD
View full profile →- Median Income$203,631
- Unemployment %2.9%
- IRS Net Migration+462
- Work From Home %28.7%
ZIP 21738
MD
View full profile →- Median Income$230,429
- Unemployment %2.4%
- IRS Net Migration+215
- Work From Home %23.9%
Visual comparison (same scale)
Median Income
$203,631$230,429
Unemployment %
2.9%2.4%
IRS Net Migration
+462+215
Work From Home %
28.7%23.9%
Housing
ZIP 20833
Olney CDP, MD
View full profile →- Median Home Value$762k
- Median Rent$2,254
- Owner Occupied %95.8%
- Broadband %94.1%
- Vacant %2.0%
- Median Year Built1980
ZIP 21738
MD
View full profile →- Median Home Value$889k
- Median Rent—
- Owner Occupied %98.6%
- Broadband %95.6%
- Vacant %0.0%
- Median Year Built1991
Visual comparison (same scale)
Median Home Value
$762k$889k
Median Rent
$2,254—
Owner Occupied %
95.8%98.6%
Broadband %
94.1%95.6%
Vacant %
2.0%0.0%
Median Year Built
19801991
Climate & Location
ZIP 20833
Olney CDP, MD
View full profile →- Snow Days/Year0 days
- Elevation (ft)440 ft
- Nearest Airport17.9 miles (28.8 km)
- Distance to Coast20.1 miles (32.3 km)
ZIP 21738
MD
View full profile →- Snow Days/Year0 days
- Elevation (ft)700 ft
- Nearest Airport19.6 miles (31.6 km)
- Distance to Coast19.8 miles (31.9 km)
Visual comparison (same scale)
Snow Days/Year
0 days0 days
Elevation (ft)
440 ft700 ft
Nearest Airport
17.9 miles (28.8 km)19.6 miles (31.6 km)
Distance to Coast
20.1 miles (32.3 km)19.8 miles (31.9 km)
Infrastructure
Visual comparison (same scale)
Work From Home %
28.7%23.9%
Walkability (0–100)
4432
Broadband %
94.1%95.6%
Frequently Asked Questions
How do ZIP 20833 and 21738 compare?
ZIP 20833 is more diverse, higher work-from-home share. ZIP 21738 is wealthier, higher home values, lower poverty rate, lower unemployment, more educated.
What do the blue and orange colors mean?
Blue represents the first ZIP (20833), orange the second (21738). 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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