57730 vs 57751 — Compare ZIP Codes
Side-by-side comparison. Blue = ZIP 57730, Orange = ZIP 57751.
Quick verdict: ZIP 57730 is lower unemployment, more diverse, higher work-from-home share. ZIP 57751 is wealthier, higher home values, more affordable rent, lower poverty rate, more educated.
Quick Facts
ZIP 57730
Custer city, SD
View full profile →- Population5,647
- Median Income$81,911
- Median Home Value$324k
- Median Rent$819
- Median Age57.6 yrs
- Poverty Rate7.7%
ZIP 57751
Keystone town, SD
View full profile →- Population996
- Median Income$100,714
- Median Home Value$388k
- Median Rent$558
- Median Age52.2 yrs
- Poverty Rate7.0%
Visual comparison (same scale)
Population
5,647996
Median Income
$81,911$100,714
Median Home Value
$324k$388k
Median Rent
$819$558
Median Age
57.6 yrs52.2 yrs
Poverty Rate
7.7%7.0%
Demographics
ZIP 57730
Custer city, SD
View full profile →- White %91.4%
- Black %0.3%
- Asian %0.5%
- Hispanic %1.8%
- Age 0–17 %13.7%
- Age 18–64 %52.5%
- Age 65+ %33.9%
- Bachelor's+ %35.4%
- Diversity Index16/100
ZIP 57751
Keystone town, SD
View full profile →- White %94.6%
- Black %0.4%
- Asian %0.8%
- Hispanic %6.6%
- Age 0–17 %21.4%
- Age 18–64 %59.3%
- Age 65+ %19.3%
- Bachelor's+ %43.9%
- Diversity Index10/100
Visual comparison (same scale)
White %
91.4%94.6%
Black %
0.3%0.4%
Asian %
0.5%0.8%
Hispanic %
1.8%6.6%
Age 0–17 %
13.7%21.4%
Age 18–64 %
52.5%59.3%
Age 65+ %
33.9%19.3%
Bachelor's+ %
35.4%43.9%
Diversity Index
16/10010/100
Economy
ZIP 57730
Custer city, SD
View full profile →- Median Income$81,911
- Unemployment %2.0%
- IRS Net Migration+347
- Work From Home %12.2%
ZIP 57751
Keystone town, SD
View full profile →- Median Income$100,714
- Unemployment %3.1%
- IRS Net Migration+61
- Work From Home %7.7%
Visual comparison (same scale)
Median Income
$81,911$100,714
Unemployment %
2.0%3.1%
IRS Net Migration
+347+61
Work From Home %
12.2%7.7%
Housing
ZIP 57730
Custer city, SD
View full profile →- Median Home Value$324k
- Median Rent$819
- Owner Occupied %80.7%
- Broadband %91.2%
- Vacant %24.3%
- Median Year Built1978
ZIP 57751
Keystone town, SD
View full profile →- Median Home Value$388k
- Median Rent$558
- Owner Occupied %86.1%
- Broadband %94.3%
- Vacant %18.7%
- Median Year Built1992
Visual comparison (same scale)
Median Home Value
$324k$388k
Median Rent
$819$558
Owner Occupied %
80.7%86.1%
Broadband %
91.2%94.3%
Vacant %
24.3%18.7%
Median Year Built
19781992
Climate & Location
ZIP 57730
Custer city, SD
View full profile →- Snow Days/Year0 days
- Elevation (ft)5,545 ft
- Nearest Airport36.8 miles (59.2 km)
- Distance to Coast596.4 miles (959.9 km)
ZIP 57751
Keystone town, SD
View full profile →- Snow Days/Year0 days
- Elevation (ft)5,311 ft
- Nearest Airport22.6 miles (36.4 km)
- Distance to Coast583.1 miles (938.4 km)
Visual comparison (same scale)
Snow Days/Year
0 days0 days
Elevation (ft)
5,545 ft5,311 ft
Nearest Airport
36.8 miles (59.2 km)22.6 miles (36.4 km)
Distance to Coast
596.4 miles (959.9 km)583.1 miles (938.4 km)
Infrastructure
ZIP 57730
Custer city, SD
View full profile →- Work From Home %12.2%
- Walkability (0–100)32
- Broadband %91.2%
ZIP 57751
Keystone town, SD
View full profile →- Work From Home %7.7%
- Walkability (0–100)31
- Broadband %94.3%
Visual comparison (same scale)
Work From Home %
12.2%7.7%
Walkability (0–100)
3231
Broadband %
91.2%94.3%
Frequently Asked Questions
How do ZIP 57730 and 57751 compare?
ZIP 57730 is lower unemployment, more diverse, higher work-from-home share. ZIP 57751 is wealthier, higher home values, more affordable rent, lower poverty rate, more educated.
What do the blue and orange colors mean?
Blue represents the first ZIP (57730), orange the second (57751). 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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