16839 vs 16821 — Compare ZIP Codes
Side-by-side comparison. Blue = ZIP 16839, Orange = ZIP 16821.
Quick verdict: ZIP 16839 is higher home values. ZIP 16821 is wealthier, lower poverty rate, more educated, higher work-from-home share.
Quick Facts
ZIP 16839
Grassflat CDP, PA
View full profile →- Population437
- Median Income$80,069
- Median Home Value$148k
- Median Age41.1 yrs
- Poverty Rate3.2%
ZIP 16821
Allport CDP, PA
View full profile →- Population187
- Median Income$101,700
- Median Home Value$116k
- Median Age39.0 yrs
- Poverty Rate0.0%
Visual comparison (same scale)
Population
437187
Median Income
$80,069$101,700
Median Home Value
$148k$116k
Median Age
41.1 yrs39.0 yrs
Poverty Rate
3.2%0.0%
Demographics
ZIP 16839
Grassflat CDP, PA
View full profile →- White %100.0%
- Black %0.0%
- Asian %0.0%
- Hispanic %0.0%
- Age 0–17 %17.9%
- Age 18–64 %68.4%
- Age 65+ %13.7%
- Bachelor's+ %27.1%
- Diversity Index0/100
ZIP 16821
Allport CDP, PA
View full profile →- White %100.0%
- Black %0.0%
- Asian %0.0%
- Hispanic %0.0%
- Age 0–17 %25.7%
- Age 18–64 %74.3%
- Age 65+ %0.0%
- Bachelor's+ %46.5%
- Diversity Index0/100
Visual comparison (same scale)
White %
100.0%100.0%
Black %
0.0%0.0%
Asian %
0.0%0.0%
Hispanic %
0.0%0.0%
Age 0–17 %
17.9%25.7%
Age 18–64 %
68.4%74.3%
Age 65+ %
13.7%0.0%
Bachelor's+ %
27.1%46.5%
Diversity Index
0/1000/100
Economy
ZIP 16839
Grassflat CDP, PA
View full profile →- Median Income$80,069
- Unemployment %0.0%
- IRS Net Migration+20
- Work From Home %6.1%
- Mean Commute (min)—
ZIP 16821
Allport CDP, PA
View full profile →- Median Income$101,700
- Unemployment %0.0%
- IRS Net Migration+9
- Work From Home %30.9%
- Mean Commute (min)96 min
Visual comparison (same scale)
Median Income
$80,069$101,700
Unemployment %
0.0%0.0%
IRS Net Migration
+20+9
Work From Home %
6.1%30.9%
Mean Commute (min)
—96 min
Housing
ZIP 16839
Grassflat CDP, PA
View full profile →- Median Home Value$148k
- Owner Occupied %96.9%
- Broadband %90.1%
- Vacant %2.4%
- Median Year Built1952
ZIP 16821
Allport CDP, PA
View full profile →- Median Home Value$116k
- Owner Occupied %100.0%
- Broadband %100.0%
- Vacant %0.0%
- Median Year Built1992
Visual comparison (same scale)
Median Home Value
$148k$116k
Owner Occupied %
96.9%100.0%
Broadband %
90.1%100.0%
Vacant %
2.4%0.0%
Median Year Built
19521992
Climate & Location
ZIP 16839
Grassflat CDP, PA
View full profile →- Snow Days/Year0 days
- Elevation (ft)1,390 ft
- Nearest Airport17.4 miles (27.9 km)
- Distance to Coast118.2 miles (190.3 km)
ZIP 16821
Allport CDP, PA
View full profile →- Snow Days/Year0 days
- Elevation (ft)1,720 ft
- Nearest Airport20.0 miles (32.3 km)
- Distance to Coast118.8 miles (191.3 km)
Visual comparison (same scale)
Snow Days/Year
0 days0 days
Elevation (ft)
1,390 ft1,720 ft
Nearest Airport
17.4 miles (27.9 km)20.0 miles (32.3 km)
Distance to Coast
118.2 miles (190.3 km)118.8 miles (191.3 km)
Infrastructure
ZIP 16839
Grassflat CDP, PA
View full profile →- Mean Commute (min)—
- Work From Home %6.1%
- Walkability (0–100)25
- Broadband %90.1%
ZIP 16821
Allport CDP, PA
View full profile →- Mean Commute (min)96 min
- Work From Home %30.9%
- Walkability (0–100)25
- Broadband %100.0%
Visual comparison (same scale)
Mean Commute (min)
—96 min
Work From Home %
6.1%30.9%
Walkability (0–100)
2525
Broadband %
90.1%100.0%
Frequently Asked Questions
How do ZIP 16839 and 16821 compare?
ZIP 16839 is higher home values. ZIP 16821 is wealthier, lower poverty rate, more educated, higher work-from-home share.
What do the blue and orange colors mean?
Blue represents the first ZIP (16839), orange the second (16821). 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