64780 vs 20851 — Compare ZIP Codes
Side-by-side comparison. Blue = ZIP 64780, Orange = ZIP 20851.
Quick verdict: ZIP 64780 is more affordable rent, lower poverty rate. ZIP 20851 is wealthier, higher home values, lower unemployment, more diverse, more educated, higher work-from-home share.
Quick Facts
ZIP 64780
Rockville city, MO
View full profile →- Population361
- Median Income$51,000
- Median Home Value$66k
- Median Rent$435
- Median Age58.8 yrs
- Poverty Rate5.3%
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%
Visual comparison (same scale)
Population
36114,660
Median Income
$51,000$113,951
Median Home Value
$66k$524k
Median Rent
$435$1,843
Median Age
58.8 yrs38.6 yrs
Poverty Rate
5.3%9.2%
Demographics
ZIP 64780
Rockville city, MO
View full profile →- White %93.3%
- Black %1.7%
- Asian %0.0%
- Hispanic %2.8%
- Age 0–17 %18.8%
- Age 18–64 %55.4%
- Age 65+ %25.8%
- Bachelor's+ %13.1%
- Diversity Index13/100
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
Visual comparison (same scale)
White %
93.3%33.0%
Black %
1.7%11.8%
Asian %
0.0%14.1%
Hispanic %
2.8%42.2%
Age 0–17 %
18.8%19.9%
Age 18–64 %
55.4%68.0%
Age 65+ %
25.8%12.1%
Bachelor's+ %
13.1%41.4%
Diversity Index
13/10068/100
Economy
ZIP 64780
Rockville city, MO
View full profile →- Median Income$51,000
- Unemployment %9.1%
- IRS Net Migration+16
- Work From Home %13.8%
- Mean Commute (min)100 min
ZIP 20851
Rockville city, MD
View full profile →- Median Income$113,951
- Unemployment %3.8%
- IRS Net Migration+861
- Work From Home %23.6%
- Mean Commute (min)—
Visual comparison (same scale)
Median Income
$51,000$113,951
Unemployment %
9.1%3.8%
IRS Net Migration
+16+861
Work From Home %
13.8%23.6%
Mean Commute (min)
100 min—
Housing
ZIP 64780
Rockville city, MO
View full profile →- Median Home Value$66k
- Median Rent$435
- Owner Occupied %84.5%
- Broadband %79.6%
- Vacant %49.6%
- Median Year Built1938
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
Visual comparison (same scale)
Median Home Value
$66k$524k
Median Rent
$435$1,843
Owner Occupied %
84.5%56.7%
Broadband %
79.6%91.9%
Vacant %
49.6%3.6%
Median Year Built
19381958
Climate & Location
ZIP 64780
Rockville city, MO
View full profile →- Snow Days/Year0 days
- Elevation (ft)866 ft
- Nearest Airport53.7 miles (86.4 km)
- Distance to Coast398.4 miles (641.2 km)
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)
Visual comparison (same scale)
Snow Days/Year
0 days0 days
Elevation (ft)
866 ft440 ft
Nearest Airport
53.7 miles (86.4 km)16.3 miles (26.3 km)
Distance to Coast
398.4 miles (641.2 km)11.3 miles (18.1 km)
Infrastructure
ZIP 64780
Rockville city, MO
View full profile →- Mean Commute (min)100 min
- Work From Home %13.8%
- Walkability (0–100)22
- Broadband %79.6%
ZIP 20851
Rockville city, MD
View full profile →- Mean Commute (min)—
- Work From Home %23.6%
- Walkability (0–100)67
- Broadband %91.9%
Visual comparison (same scale)
Mean Commute (min)
100 min—
Work From Home %
13.8%23.6%
Walkability (0–100)
2267
Broadband %
79.6%91.9%
Frequently Asked Questions
How do ZIP 64780 and 20851 compare?
ZIP 64780 is more affordable rent, lower poverty rate. ZIP 20851 is wealthier, higher home values, lower unemployment, more diverse, more educated, higher work-from-home share.
What do the blue and orange colors mean?
Blue represents the first ZIP (64780), orange the second (20851). 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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