20851 vs 20814 — Compare ZIP Codes
Side-by-side comparison. Blue = ZIP 20851, Orange = ZIP 20814.
Quick verdict: ZIP 20851 is more affordable rent, more diverse. ZIP 20814 is wealthier, higher home values, lower poverty rate, lower unemployment, more educated, higher work-from-home share.
Quick Facts
ZIP 20851
Rockville city, MD
View full profile →- Population14,660
- Median Income$113,951
- Median Home Value$524k
- Median Rent$1,843
- Median Age38.6 yrs
- Poverty Rate9.2%
ZIP 20814
Bethesda CDP, MD
View full profile →- Population30,822
- Median Income$150,401
- Median Home Value$977k
- Median Rent$2,261
- Median Age41.3 yrs
- Poverty Rate3.8%
Visual comparison (same scale)
Population
14,66030,822
Median Income
$113,951$150,401
Median Home Value
$524k$977k
Median Rent
$1,843$2,261
Median Age
38.6 yrs41.3 yrs
Poverty Rate
9.2%3.8%
Demographics
ZIP 20851
Rockville city, MD
View full profile →- White %33.0%
- Black %11.8%
- Asian %14.1%
- Hispanic %42.2%
- Age 0–17 %19.9%
- Age 18–64 %68.0%
- Age 65+ %12.1%
- Bachelor's+ %41.4%
- Diversity Index68/100
ZIP 20814
Bethesda CDP, MD
View full profile →- White %68.3%
- Black %6.3%
- Asian %12.9%
- Hispanic %9.8%
- Age 0–17 %19.3%
- Age 18–64 %62.1%
- Age 65+ %18.6%
- Bachelor's+ %84.3%
- Diversity Index50/100
Visual comparison (same scale)
White %
33.0%68.3%
Black %
11.8%6.3%
Asian %
14.1%12.9%
Hispanic %
42.2%9.8%
Age 0–17 %
19.9%19.3%
Age 18–64 %
68.0%62.1%
Age 65+ %
12.1%18.6%
Bachelor's+ %
41.4%84.3%
Diversity Index
68/10050/100
Economy
ZIP 20851
Rockville city, MD
View full profile →- Median Income$113,951
- Unemployment %3.8%
- IRS Net Migration+861
- Work From Home %23.6%
ZIP 20814
Bethesda CDP, MD
View full profile →- Median Income$150,401
- Unemployment %2.5%
- IRS Net Migration+1,811
- Work From Home %33.6%
Visual comparison (same scale)
Median Income
$113,951$150,401
Unemployment %
3.8%2.5%
IRS Net Migration
+861+1,811
Work From Home %
23.6%33.6%
Housing
ZIP 20851
Rockville city, MD
View full profile →- Median Home Value$524k
- Median Rent$1,843
- Owner Occupied %56.7%
- Broadband %91.9%
- Vacant %3.6%
- Median Year Built1958
ZIP 20814
Bethesda CDP, MD
View full profile →- Median Home Value$977k
- Median Rent$2,261
- Owner Occupied %52.6%
- Broadband %97.2%
- Vacant %7.9%
- Median Year Built1977
Visual comparison (same scale)
Median Home Value
$524k$977k
Median Rent
$1,843$2,261
Owner Occupied %
56.7%52.6%
Broadband %
91.9%97.2%
Vacant %
3.6%7.9%
Median Year Built
19581977
Climate & Location
ZIP 20851
Rockville city, MD
View full profile →- Snow Days/Year0 days
- Elevation (ft)440 ft
- Nearest Airport16.3 miles (26.3 km)
- Distance to Coast11.3 miles (18.1 km)
ZIP 20814
Bethesda CDP, MD
View full profile →- Snow Days/Year0 days
- Elevation (ft)150 ft
- Nearest Airport11.1 miles (17.9 km)
- Distance to Coast6.1 miles (9.8 km)
Visual comparison (same scale)
Snow Days/Year
0 days0 days
Elevation (ft)
440 ft150 ft
Nearest Airport
16.3 miles (26.3 km)11.1 miles (17.9 km)
Distance to Coast
11.3 miles (18.1 km)6.1 miles (9.8 km)
Infrastructure
ZIP 20851
Rockville city, MD
View full profile →- Work From Home %23.6%
- Walkability (0–100)67
- Broadband %91.9%
ZIP 20814
Bethesda CDP, MD
View full profile →- Work From Home %33.6%
- Walkability (0–100)77
- Broadband %97.2%
Visual comparison (same scale)
Work From Home %
23.6%33.6%
Walkability (0–100)
6777
Broadband %
91.9%97.2%
Frequently Asked Questions
How do ZIP 20851 and 20814 compare?
ZIP 20851 is more affordable rent, more diverse. ZIP 20814 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 (20851), orange the second (20814). 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).
Continue exploring