21529 vs 21530 — Compare ZIP Codes
Side-by-side comparison. Blue = ZIP 21529, Orange = ZIP 21530.
Quick verdict: ZIP 21529 is more affordable rent, more diverse. ZIP 21530 is wealthier, higher home values, lower poverty rate, lower unemployment, more educated, higher work-from-home share.
Quick Facts
ZIP 21529
Ellerslie CDP, MD
View full profile →- Population516
- Median Income$34,167
- Median Home Value$145k
- Median Rent$554
- Median Age51.5 yrs
- Poverty Rate17.3%
ZIP 21530
Flintstone CDP, MD
View full profile →- Population1,481
- Median Income$63,904
- Median Home Value$194k
- Median Rent$720
- Median Age54.2 yrs
- Poverty Rate6.5%
Visual comparison (same scale)
Population
5161,481
Median Income
$34,167$63,904
Median Home Value
$145k$194k
Median Rent
$554$720
Median Age
51.5 yrs54.2 yrs
Poverty Rate
17.3%6.5%
Demographics
ZIP 21529
Ellerslie CDP, MD
View full profile →- White %92.3%
- Black %0.0%
- Asian %0.0%
- Hispanic %1.0%
- Age 0–17 %9.7%
- Age 18–64 %58.1%
- Age 65+ %32.2%
- Bachelor's+ %3.1%
- Diversity Index14/100
ZIP 21530
Flintstone CDP, MD
View full profile →- White %98.5%
- Black %0.7%
- Asian %0.0%
- Hispanic %1.3%
- Age 0–17 %18.8%
- Age 18–64 %55.0%
- Age 65+ %26.1%
- Bachelor's+ %22.4%
- Diversity Index3/100
Visual comparison (same scale)
White %
92.3%98.5%
Black %
0.0%0.7%
Asian %
0.0%0.0%
Hispanic %
1.0%1.3%
Age 0–17 %
9.7%18.8%
Age 18–64 %
58.1%55.0%
Age 65+ %
32.2%26.1%
Bachelor's+ %
3.1%22.4%
Diversity Index
14/1003/100
Economy
ZIP 21529
Ellerslie CDP, MD
View full profile →- Median Income$34,167
- Unemployment %9.0%
- IRS Net Migration+30
- Work From Home %0.0%
ZIP 21530
Flintstone CDP, MD
View full profile →- Median Income$63,904
- Unemployment %2.7%
- IRS Net Migration+87
- Work From Home %18.9%
Visual comparison (same scale)
Median Income
$34,167$63,904
Unemployment %
9.0%2.7%
IRS Net Migration
+30+87
Work From Home %
0.0%18.9%
Housing
ZIP 21529
Ellerslie CDP, MD
View full profile →- Median Home Value$145k
- Median Rent$554
- Owner Occupied %73.0%
- Broadband %67.3%
- Vacant %8.6%
- Median Year Built1962
ZIP 21530
Flintstone CDP, MD
View full profile →- Median Home Value$194k
- Median Rent$720
- Owner Occupied %81.2%
- Broadband %83.0%
- Vacant %24.7%
- Median Year Built1970
Visual comparison (same scale)
Median Home Value
$145k$194k
Median Rent
$554$720
Owner Occupied %
73.0%81.2%
Broadband %
67.3%83.0%
Vacant %
8.6%24.7%
Median Year Built
19621970
Climate & Location
ZIP 21529
Ellerslie CDP, MD
View full profile →- Snow Days/Year0 days
- Elevation (ft)730 ft
- Nearest Airport42.5 miles (68.4 km)
- Distance to Coast104.2 miles (167.6 km)
ZIP 21530
Flintstone CDP, MD
View full profile →- Snow Days/Year0 days
- Elevation (ft)730 ft
- Nearest Airport35.5 miles (57.2 km)
- Distance to Coast93.4 miles (150.3 km)
Visual comparison (same scale)
Snow Days/Year
0 days0 days
Elevation (ft)
730 ft730 ft
Nearest Airport
42.5 miles (68.4 km)35.5 miles (57.2 km)
Distance to Coast
104.2 miles (167.6 km)93.4 miles (150.3 km)
Infrastructure
ZIP 21529
Ellerslie CDP, MD
View full profile →- Work From Home %0.0%
- Walkability (0–100)23
- Broadband %67.3%
ZIP 21530
Flintstone CDP, MD
View full profile →- Work From Home %18.9%
- Walkability (0–100)15
- Broadband %83.0%
Visual comparison (same scale)
Work From Home %
0.0%18.9%
Walkability (0–100)
2315
Broadband %
67.3%83.0%
Frequently Asked Questions
How do ZIP 21529 and 21530 compare?
ZIP 21529 is more affordable rent, more diverse. ZIP 21530 is wealthier, higher home values, lower poverty rate, lower unemployment, more educated, higher work-from-home share.
What do the blue and orange colors mean?
Blue represents the first ZIP (21529), orange the second (21530). 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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