21029 vs 20862 — Compare ZIP Codes
Side-by-side comparison. Blue = ZIP 21029, Orange = ZIP 20862.
Quick verdict: ZIP 21029 is wealthier, higher home values, lower unemployment, more diverse, more educated. ZIP 20862 is lower poverty rate, higher work-from-home share.
Quick Facts
ZIP 21029
Columbia CDP, MD
View full profile →- Population13,783
- Median Income$250,001
- Median Home Value$905k
- Median Rent$3,501
- Median Age43.2 yrs
- Poverty Rate1.2%
ZIP 20862
Ashton-Sandy Spring CDP, MD
View full profile →- Population393
- Median Income$242,721
- Median Home Value$804k
- Median Rent—
- Median Age63.4 yrs
- Poverty Rate0.0%
Visual comparison (same scale)
Population
13,783393
Median Income
$250,001$242,721
Median Home Value
$905k$804k
Median Rent
$3,501—
Median Age
43.2 yrs63.4 yrs
Poverty Rate
1.2%0.0%
Demographics
ZIP 21029
Columbia CDP, MD
View full profile →- White %43.4%
- Black %8.0%
- Asian %40.9%
- Hispanic %4.9%
- Age 0–17 %27.9%
- Age 18–64 %59.9%
- Age 65+ %12.2%
- Bachelor's+ %81.8%
- Diversity Index63/100
ZIP 20862
Ashton-Sandy Spring CDP, MD
View full profile →- White %87.0%
- Black %0.0%
- Asian %0.0%
- Hispanic %10.4%
- Age 0–17 %0.0%
- Age 18–64 %51.9%
- Age 65+ %48.1%
- Bachelor's+ %68.1%
- Diversity Index23/100
Visual comparison (same scale)
White %
43.4%87.0%
Black %
8.0%0.0%
Asian %
40.9%0.0%
Hispanic %
4.9%10.4%
Age 0–17 %
27.9%0.0%
Age 18–64 %
59.9%51.9%
Age 65+ %
12.2%48.1%
Bachelor's+ %
81.8%68.1%
Diversity Index
63/10023/100
Economy
ZIP 21029
Columbia CDP, MD
View full profile →- Median Income$250,001
- Unemployment %2.5%
- IRS Net Migration+810
- Work From Home %21.4%
- Mean Commute (min)—
ZIP 20862
Ashton-Sandy Spring CDP, MD
View full profile →- Median Income$242,721
- Unemployment %6.1%
- IRS Net Migration+23
- Work From Home %36.6%
- Mean Commute (min)118 min
Visual comparison (same scale)
Median Income
$250,001$242,721
Unemployment %
2.5%6.1%
IRS Net Migration
+810+23
Work From Home %
21.4%36.6%
Mean Commute (min)
—118 min
Housing
ZIP 21029
Columbia CDP, MD
View full profile →- Median Home Value$905k
- Median Rent$3,501
- Owner Occupied %91.7%
- Broadband %98.9%
- Vacant %2.0%
- Median Year Built1998
ZIP 20862
Ashton-Sandy Spring CDP, MD
View full profile →- Median Home Value$804k
- Median Rent—
- Owner Occupied %100.0%
- Broadband %94.3%
- Vacant %0.0%
- Median Year Built1974
Visual comparison (same scale)
Median Home Value
$905k$804k
Median Rent
$3,501—
Owner Occupied %
91.7%100.0%
Broadband %
98.9%94.3%
Vacant %
2.0%0.0%
Median Year Built
19981974
Climate & Location
ZIP 21029
Columbia CDP, MD
View full profile →- Snow Days/Year0 days
- Elevation (ft)400 ft
- Nearest Airport13.9 miles (22.4 km)
- Distance to Coast16.3 miles (26.2 km)
ZIP 20862
Ashton-Sandy Spring CDP, MD
View full profile →- Snow Days/Year0 days
- Elevation (ft)440 ft
- Nearest Airport15.3 miles (24.7 km)
- Distance to Coast18.4 miles (29.6 km)
Visual comparison (same scale)
Snow Days/Year
0 days0 days
Elevation (ft)
400 ft440 ft
Nearest Airport
13.9 miles (22.4 km)15.3 miles (24.7 km)
Distance to Coast
16.3 miles (26.2 km)18.4 miles (29.6 km)
Infrastructure
ZIP 21029
Columbia CDP, MD
View full profile →- Mean Commute (min)—
- Work From Home %21.4%
- Walkability (0–100)39
- Broadband %98.9%
ZIP 20862
Ashton-Sandy Spring CDP, MD
View full profile →- Mean Commute (min)118 min
- Work From Home %36.6%
- Walkability (0–100)38
- Broadband %94.3%
Visual comparison (same scale)
Mean Commute (min)
—118 min
Work From Home %
21.4%36.6%
Walkability (0–100)
3938
Broadband %
98.9%94.3%
Frequently Asked Questions
How do ZIP 21029 and 20862 compare?
ZIP 21029 is wealthier, higher home values, lower unemployment, more diverse, more educated. ZIP 20862 is lower poverty rate, higher work-from-home share.
What do the blue and orange colors mean?
Blue represents the first ZIP (21029), orange the second (20862). 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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