57631 vs 57646 — Compare ZIP Codes
Side-by-side comparison. Blue = ZIP 57631, Orange = ZIP 57646.
Quick verdict: ZIP 57631 is wealthier, higher home values, lower poverty rate. ZIP 57646 is lower unemployment, more diverse, more educated, higher work-from-home share.
Quick Facts
ZIP 57631
Glenham town, SD
View full profile →- Population365
- Median Income$56,250
- Median Home Value$107k
- Median Age60.5 yrs
- Poverty Rate4.4%
ZIP 57646
Mound City town, SD
View full profile →- Population248
- Median Income$0
- Median Home Value$101k
- Median Age37.6 yrs
- Poverty Rate14.5%
Visual comparison (same scale)
Population
365248
Median Income
$56,250$0
Median Home Value
$107k$101k
Median Age
60.5 yrs37.6 yrs
Poverty Rate
4.4%14.5%
Demographics
ZIP 57631
Glenham town, SD
View full profile →- White %95.6%
- Black %0.0%
- Asian %0.0%
- Hispanic %0.0%
- Age 0–17 %4.9%
- Age 18–64 %54.3%
- Age 65+ %40.8%
- Bachelor's+ %20.9%
- Diversity Index8/100
ZIP 57646
Mound City town, SD
View full profile →- White %87.9%
- Black %0.0%
- Asian %0.0%
- Hispanic %16.1%
- Age 0–17 %29.4%
- Age 18–64 %52.4%
- Age 65+ %18.1%
- Bachelor's+ %42.3%
- Diversity Index20/100
Visual comparison (same scale)
White %
95.6%87.9%
Black %
0.0%0.0%
Asian %
0.0%0.0%
Hispanic %
0.0%16.1%
Age 0–17 %
4.9%29.4%
Age 18–64 %
54.3%52.4%
Age 65+ %
40.8%18.1%
Bachelor's+ %
20.9%42.3%
Diversity Index
8/10020/100
Economy
ZIP 57631
Glenham town, SD
View full profile →- Median Income$56,250
- Unemployment %19.8%
- IRS Net Migration+22
- Work From Home %23.9%
- Mean Commute (min)118 min
ZIP 57646
Mound City town, SD
View full profile →- Median Income$0
- Unemployment %0.0%
- IRS Net Migration+15
- Work From Home %47.9%
- Mean Commute (min)61 min
Visual comparison (same scale)
Median Income
$56,250$0
Unemployment %
19.8%0.0%
IRS Net Migration
+22+15
Work From Home %
23.9%47.9%
Mean Commute (min)
118 min61 min
Housing
ZIP 57631
Glenham town, SD
View full profile →- Median Home Value$107k
- Owner Occupied %90.4%
- Broadband %82.8%
- Vacant %36.5%
- Median Year Built1976
ZIP 57646
Mound City town, SD
View full profile →- Median Home Value$101k
- Owner Occupied %85.8%
- Broadband %89.6%
- Vacant %26.4%
- Median Year Built1960
Visual comparison (same scale)
Median Home Value
$107k$101k
Owner Occupied %
90.4%85.8%
Broadband %
82.8%89.6%
Vacant %
36.5%26.4%
Median Year Built
19761960
Climate & Location
ZIP 57631
Glenham town, SD
View full profile →- Snow Days/Year0 days
- Elevation (ft)1,715 ft
- Nearest Airport6.2 miles (10.0 km)
- Distance to Coast398.2 miles (640.8 km)
ZIP 57646
Mound City town, SD
View full profile →- Snow Days/Year0 days
- Elevation (ft)1,908 ft
- Nearest Airport18.4 miles (29.5 km)
- Distance to Coast386.3 miles (621.7 km)
Visual comparison (same scale)
Snow Days/Year
0 days0 days
Elevation (ft)
1,715 ft1,908 ft
Nearest Airport
6.2 miles (10.0 km)18.4 miles (29.5 km)
Distance to Coast
398.2 miles (640.8 km)386.3 miles (621.7 km)
Infrastructure
ZIP 57631
Glenham town, SD
View full profile →- Mean Commute (min)118 min
- Work From Home %23.9%
- Walkability (0–100)31
- Broadband %82.8%
ZIP 57646
Mound City town, SD
View full profile →- Mean Commute (min)61 min
- Work From Home %47.9%
- Walkability (0–100)28
- Broadband %89.6%
Visual comparison (same scale)
Mean Commute (min)
118 min61 min
Work From Home %
23.9%47.9%
Walkability (0–100)
3128
Broadband %
82.8%89.6%
Frequently Asked Questions
How do ZIP 57631 and 57646 compare?
ZIP 57631 is wealthier, higher home values, lower poverty rate. ZIP 57646 is lower unemployment, more diverse, more educated, higher work-from-home share.
What do the blue and orange colors mean?
Blue represents the first ZIP (57631), orange the second (57646). 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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