23038 vs 21045 — Compare ZIP Codes
Side-by-side comparison. Blue = ZIP 23038, Orange = ZIP 21045.
Quick verdict: ZIP 23038 is more affordable rent, lower unemployment. ZIP 21045 is wealthier, higher home values, lower poverty rate, more diverse, more educated, higher work-from-home share.
Quick Facts
ZIP 23038
Columbia CDP, VA
View full profile →- Population1,487
- Median Income$74,318
- Median Home Value$345k
- Median Rent$1,469
- Median Age57.1 yrs
- Poverty Rate11.5%
ZIP 21045
Columbia CDP, MD
View full profile →- Population40,866
- Median Income$117,323
- Median Home Value$439k
- Median Rent$1,592
- Median Age38.4 yrs
- Poverty Rate8.4%
Visual comparison (same scale)
Population
1,48740,866
Median Income
$74,318$117,323
Median Home Value
$345k$439k
Median Rent
$1,469$1,592
Median Age
57.1 yrs38.4 yrs
Poverty Rate
11.5%8.4%
Demographics
ZIP 23038
Columbia CDP, VA
View full profile →- White %81.2%
- Black %16.5%
- Asian %0.0%
- Hispanic %0.2%
- Age 0–17 %7.5%
- Age 18–64 %59.2%
- Age 65+ %33.3%
- Bachelor's+ %36.4%
- Diversity Index31/100
ZIP 21045
Columbia CDP, MD
View full profile →- White %45.0%
- Black %32.5%
- Asian %8.7%
- Hispanic %11.1%
- Age 0–17 %22.5%
- Age 18–64 %59.7%
- Age 65+ %17.8%
- Bachelor's+ %57.4%
- Diversity Index67/100
Visual comparison (same scale)
White %
81.2%45.0%
Black %
16.5%32.5%
Asian %
0.0%8.7%
Hispanic %
0.2%11.1%
Age 0–17 %
7.5%22.5%
Age 18–64 %
59.2%59.7%
Age 65+ %
33.3%17.8%
Bachelor's+ %
36.4%57.4%
Diversity Index
31/10067/100
Economy
ZIP 23038
Columbia CDP, VA
View full profile →- Median Income$74,318
- Unemployment %3.4%
- IRS Net Migration+84
- Work From Home %10.7%
ZIP 21045
Columbia CDP, MD
View full profile →- Median Income$117,323
- Unemployment %5.7%
- IRS Net Migration+2,401
- Work From Home %23.1%
Visual comparison (same scale)
Median Income
$74,318$117,323
Unemployment %
3.4%5.7%
IRS Net Migration
+84+2,401
Work From Home %
10.7%23.1%
Housing
ZIP 23038
Columbia CDP, VA
View full profile →- Median Home Value$345k
- Median Rent$1,469
- Owner Occupied %96.3%
- Broadband %90.4%
- Vacant %21.2%
- Median Year Built1986
ZIP 21045
Columbia CDP, MD
View full profile →- Median Home Value$439k
- Median Rent$1,592
- Owner Occupied %69.0%
- Broadband %95.2%
- Vacant %2.9%
- Median Year Built1979
Visual comparison (same scale)
Median Home Value
$345k$439k
Median Rent
$1,469$1,592
Owner Occupied %
96.3%69.0%
Broadband %
90.4%95.2%
Vacant %
21.2%2.9%
Median Year Built
19861979
Climate & Location
ZIP 23038
Columbia CDP, VA
View full profile →- Snow Days/Year0 days
- Elevation (ft)410 ft
- Nearest Airport31.4 miles (50.5 km)
- Distance to Coast41.5 miles (66.9 km)
ZIP 21045
Columbia CDP, MD
View full profile →- Snow Days/Year0 days
- Elevation (ft)156 ft
- Nearest Airport8.8 miles (14.2 km)
- Distance to Coast9.4 miles (15.1 km)
Visual comparison (same scale)
Snow Days/Year
0 days0 days
Elevation (ft)
410 ft156 ft
Nearest Airport
31.4 miles (50.5 km)8.8 miles (14.2 km)
Distance to Coast
41.5 miles (66.9 km)9.4 miles (15.1 km)
Infrastructure
ZIP 23038
Columbia CDP, VA
View full profile →- Work From Home %10.7%
- Walkability (0–100)17
- Broadband %90.4%
ZIP 21045
Columbia CDP, MD
View full profile →- Work From Home %23.1%
- Walkability (0–100)73
- Broadband %95.2%
Visual comparison (same scale)
Work From Home %
10.7%23.1%
Walkability (0–100)
1773
Broadband %
90.4%95.2%
Frequently Asked Questions
How do ZIP 23038 and 21045 compare?
ZIP 23038 is more affordable rent, lower unemployment. ZIP 21045 is wealthier, higher home values, lower poverty rate, more diverse, more educated, higher work-from-home share.
What do the blue and orange colors mean?
Blue represents the first ZIP (23038), orange the second (21045). 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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