18631 vs 17878 — Compare ZIP Codes
Side-by-side comparison. Blue = ZIP 18631, Orange = ZIP 17878.
Quick verdict: ZIP 18631 is higher home values, lower unemployment, more educated, higher work-from-home share. ZIP 17878 is wealthier, lower poverty rate, more diverse.
Quick Facts
ZIP 18631
Mifflinville CDP, PA
View full profile →- Population1,109
- Median Income$49,643
- Median Home Value$215k
- Median Rent—
- Median Age48.3 yrs
- Poverty Rate11.0%
ZIP 17878
Stillwater borough, PA
View full profile →- Population1,573
- Median Income$76,875
- Median Home Value$196k
- Median Rent$595
- Median Age48.6 yrs
- Poverty Rate6.2%
Visual comparison (same scale)
Population
1,1091,573
Median Income
$49,643$76,875
Median Home Value
$215k$196k
Median Rent
—$595
Median Age
48.3 yrs48.6 yrs
Poverty Rate
11.0%6.2%
Demographics
ZIP 18631
Mifflinville CDP, PA
View full profile →- White %97.4%
- Black %0.9%
- Asian %0.0%
- Hispanic %1.7%
- Age 0–17 %17.6%
- Age 18–64 %56.4%
- Age 65+ %26.1%
- Bachelor's+ %28.5%
- Diversity Index5/100
ZIP 17878
Stillwater borough, PA
View full profile →- White %92.6%
- Black %0.3%
- Asian %0.0%
- Hispanic %2.5%
- Age 0–17 %18.3%
- Age 18–64 %54.2%
- Age 65+ %27.5%
- Bachelor's+ %18.1%
- Diversity Index14/100
Visual comparison (same scale)
White %
97.4%92.6%
Black %
0.9%0.3%
Asian %
0.0%0.0%
Hispanic %
1.7%2.5%
Age 0–17 %
17.6%18.3%
Age 18–64 %
56.4%54.2%
Age 65+ %
26.1%27.5%
Bachelor's+ %
28.5%18.1%
Diversity Index
5/10014/100
Economy
ZIP 18631
Mifflinville CDP, PA
View full profile →- Median Income$49,643
- Unemployment %0.0%
- IRS Net Migration+50
- Work From Home %13.7%
ZIP 17878
Stillwater borough, PA
View full profile →- Median Income$76,875
- Unemployment %0.9%
- IRS Net Migration+72
- Work From Home %12.0%
Visual comparison (same scale)
Median Income
$49,643$76,875
Unemployment %
0.0%0.9%
IRS Net Migration
+50+72
Work From Home %
13.7%12.0%
Housing
ZIP 18631
Mifflinville CDP, PA
View full profile →- Median Home Value$215k
- Median Rent—
- Owner Occupied %86.5%
- Broadband %68.4%
- Vacant %8.1%
- Median Year Built1967
ZIP 17878
Stillwater borough, PA
View full profile →- Median Home Value$196k
- Median Rent$595
- Owner Occupied %89.2%
- Broadband %86.2%
- Vacant %12.9%
- Median Year Built1973
Visual comparison (same scale)
Median Home Value
$215k$196k
Median Rent
—$595
Owner Occupied %
86.5%89.2%
Broadband %
68.4%86.2%
Vacant %
8.1%12.9%
Median Year Built
19671973
Climate & Location
ZIP 18631
Mifflinville CDP, PA
View full profile →- Snow Days/Year0 days
- Elevation (ft)1,095 ft
- Nearest Airport35.4 miles (56.9 km)
- Distance to Coast94.9 miles (152.7 km)
ZIP 17878
Stillwater borough, PA
View full profile →- Snow Days/Year0 days
- Elevation (ft)1,095 ft
- Nearest Airport31.5 miles (50.6 km)
- Distance to Coast103.2 miles (166.1 km)
Visual comparison (same scale)
Snow Days/Year
0 days0 days
Elevation (ft)
1,095 ft1,095 ft
Nearest Airport
35.4 miles (56.9 km)31.5 miles (50.6 km)
Distance to Coast
94.9 miles (152.7 km)103.2 miles (166.1 km)
Infrastructure
ZIP 18631
Mifflinville CDP, PA
View full profile →- Work From Home %13.7%
- Walkability (0–100)33
- Broadband %68.4%
ZIP 17878
Stillwater borough, PA
View full profile →- Work From Home %12.0%
- Walkability (0–100)27
- Broadband %86.2%
Visual comparison (same scale)
Work From Home %
13.7%12.0%
Walkability (0–100)
3327
Broadband %
68.4%86.2%
Frequently Asked Questions
How do ZIP 18631 and 17878 compare?
ZIP 18631 is higher home values, lower unemployment, more educated, higher work-from-home share. ZIP 17878 is wealthier, lower poverty rate, more diverse.
What do the blue and orange colors mean?
Blue represents the first ZIP (18631), orange the second (17878). 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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