21540 vs 21530 — Compare ZIP Codes
Side-by-side comparison. Blue = ZIP 21540, Orange = ZIP 21530.
Quick verdict: ZIP 21540 is wealthier, more affordable rent, lower poverty rate, more diverse. ZIP 21530 is higher home values, lower unemployment, more educated, higher work-from-home share.
Quick Facts
ZIP 21540
Luke town, MD
View full profile →- Population93
- Median Income$73,125
- Median Home Value$50k
- Median Rent$438
- Median Age44.3 yrs
- Poverty Rate5.4%
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
931,481
Median Income
$73,125$63,904
Median Home Value
$50k$194k
Median Rent
$438$720
Median Age
44.3 yrs54.2 yrs
Poverty Rate
5.4%6.5%
Demographics
ZIP 21540
Luke town, MD
View full profile →- White %97.8%
- Black %1.1%
- Asian %0.0%
- Hispanic %1.1%
- Age 0–17 %26.9%
- Age 18–64 %68.8%
- Age 65+ %4.3%
- Bachelor's+ %14.3%
- Diversity Index4/100
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 %
97.8%98.5%
Black %
1.1%0.7%
Asian %
0.0%0.0%
Hispanic %
1.1%1.3%
Age 0–17 %
26.9%18.8%
Age 18–64 %
68.8%55.0%
Age 65+ %
4.3%26.1%
Bachelor's+ %
14.3%22.4%
Diversity Index
4/1003/100
Economy
ZIP 21540
Luke town, MD
View full profile →- Median Income$73,125
- Unemployment %3.6%
- IRS Net Migration+5
- Work From Home %0.0%
- Mean Commute (min)53 min
ZIP 21530
Flintstone CDP, MD
View full profile →- Median Income$63,904
- Unemployment %2.7%
- IRS Net Migration+87
- Work From Home %18.9%
- Mean Commute (min)—
Visual comparison (same scale)
Median Income
$73,125$63,904
Unemployment %
3.6%2.7%
IRS Net Migration
+5+87
Work From Home %
0.0%18.9%
Mean Commute (min)
53 min—
Housing
ZIP 21540
Luke town, MD
View full profile →- Median Home Value$50k
- Median Rent$438
- Owner Occupied %81.1%
- Broadband %100.0%
- Vacant %32.7%
- Median Year Built1938
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
$50k$194k
Median Rent
$438$720
Owner Occupied %
81.1%81.2%
Broadband %
100.0%83.0%
Vacant %
32.7%24.7%
Median Year Built
19381970
Climate & Location
ZIP 21540
Luke town, MD
View full profile →- Snow Days/Year0 days
- Elevation (ft)1,495 ft
- Nearest Airport47.0 miles (75.6 km)
- Distance to Coast111.1 miles (178.9 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)
1,495 ft730 ft
Nearest Airport
47.0 miles (75.6 km)35.5 miles (57.2 km)
Distance to Coast
111.1 miles (178.9 km)93.4 miles (150.3 km)
Infrastructure
ZIP 21540
Luke town, MD
View full profile →- Mean Commute (min)53 min
- Work From Home %0.0%
- Walkability (0–100)36
- Broadband %100.0%
ZIP 21530
Flintstone CDP, MD
View full profile →- Mean Commute (min)—
- Work From Home %18.9%
- Walkability (0–100)15
- Broadband %83.0%
Visual comparison (same scale)
Mean Commute (min)
53 min—
Work From Home %
0.0%18.9%
Walkability (0–100)
3615
Broadband %
100.0%83.0%
Frequently Asked Questions
How do ZIP 21540 and 21530 compare?
ZIP 21540 is wealthier, more affordable rent, lower poverty rate, more diverse. ZIP 21530 is higher home values, lower unemployment, more educated, higher work-from-home share.
What do the blue and orange colors mean?
Blue represents the first ZIP (21540), 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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