21104 vs 21046 — Compare ZIP Codes
Side-by-side comparison. Blue = ZIP 21104, Orange = ZIP 21046.
Quick verdict: ZIP 21104 is wealthier, higher home values, lower poverty rate, lower unemployment, more educated, higher work-from-home share. ZIP 21046 is more diverse.
Quick Facts
ZIP 21104
Eldersburg CDP, MD
View full profile →- Population5,786
- Median Income$199,803
- Median Home Value$660k
- Median Rent—
- Median Age46.0 yrs
- Poverty Rate2.5%
ZIP 21046
Columbia CDP, MD
View full profile →- Population15,433
- Median Income$126,549
- Median Home Value$469k
- Median Rent$1,928
- Median Age37.5 yrs
- Poverty Rate8.4%
Visual comparison (same scale)
Population
5,78615,433
Median Income
$199,803$126,549
Median Home Value
$660k$469k
Median Rent
—$1,928
Median Age
46.0 yrs37.5 yrs
Poverty Rate
2.5%8.4%
Demographics
ZIP 21104
Eldersburg CDP, MD
View full profile →- White %75.9%
- Black %4.2%
- Asian %10.3%
- Hispanic %1.8%
- Age 0–17 %20.5%
- Age 18–64 %60.1%
- Age 65+ %19.4%
- Bachelor's+ %63.3%
- Diversity Index41/100
ZIP 21046
Columbia CDP, MD
View full profile →- White %51.3%
- Black %31.3%
- Asian %6.9%
- Hispanic %6.1%
- Age 0–17 %20.7%
- Age 18–64 %67.1%
- Age 65+ %12.2%
- Bachelor's+ %62.0%
- Diversity Index63/100
Visual comparison (same scale)
White %
75.9%51.3%
Black %
4.2%31.3%
Asian %
10.3%6.9%
Hispanic %
1.8%6.1%
Age 0–17 %
20.5%20.7%
Age 18–64 %
60.1%67.1%
Age 65+ %
19.4%12.2%
Bachelor's+ %
63.3%62.0%
Diversity Index
41/10063/100
Economy
ZIP 21104
Eldersburg CDP, MD
View full profile →- Median Income$199,803
- Unemployment %2.5%
- IRS Net Migration+340
- Work From Home %19.6%
ZIP 21046
Columbia CDP, MD
View full profile →- Median Income$126,549
- Unemployment %3.2%
- IRS Net Migration+907
- Work From Home %17.0%
Visual comparison (same scale)
Median Income
$199,803$126,549
Unemployment %
2.5%3.2%
IRS Net Migration
+340+907
Work From Home %
19.6%17.0%
Housing
ZIP 21104
Eldersburg CDP, MD
View full profile →- Median Home Value$660k
- Median Rent—
- Owner Occupied %96.9%
- Broadband %96.8%
- Vacant %2.7%
- Median Year Built1994
ZIP 21046
Columbia CDP, MD
View full profile →- Median Home Value$469k
- Median Rent$1,928
- Owner Occupied %62.7%
- Broadband %98.7%
- Vacant %4.1%
- Median Year Built1984
Visual comparison (same scale)
Median Home Value
$660k$469k
Median Rent
—$1,928
Owner Occupied %
96.9%62.7%
Broadband %
96.8%98.7%
Vacant %
2.7%4.1%
Median Year Built
19941984
Climate & Location
ZIP 21104
Eldersburg CDP, MD
View full profile →- Snow Days/Year0 days
- Elevation (ft)235 ft
- Nearest Airport17.6 miles (28.4 km)
- Distance to Coast14.6 miles (23.5 km)
ZIP 21046
Columbia CDP, MD
View full profile →- Snow Days/Year0 days
- Elevation (ft)400 ft
- Nearest Airport7.5 miles (12.1 km)
- Distance to Coast10.8 miles (17.3 km)
Visual comparison (same scale)
Snow Days/Year
0 days0 days
Elevation (ft)
235 ft400 ft
Nearest Airport
17.6 miles (28.4 km)7.5 miles (12.1 km)
Distance to Coast
14.6 miles (23.5 km)10.8 miles (17.3 km)
Infrastructure
ZIP 21104
Eldersburg CDP, MD
View full profile →- Work From Home %19.6%
- Walkability (0–100)32
- Broadband %96.8%
ZIP 21046
Columbia CDP, MD
View full profile →- Work From Home %17.0%
- Walkability (0–100)62
- Broadband %98.7%
Visual comparison (same scale)
Work From Home %
19.6%17.0%
Walkability (0–100)
3262
Broadband %
96.8%98.7%
Frequently Asked Questions
How do ZIP 21104 and 21046 compare?
ZIP 21104 is wealthier, higher home values, lower poverty rate, lower unemployment, more educated, higher work-from-home share. ZIP 21046 is more diverse.
What do the blue and orange colors mean?
Blue represents the first ZIP (21104), orange the second (21046). 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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