50138 vs 37915 — Compare ZIP Codes
Side-by-side comparison. Blue = ZIP 50138, Orange = ZIP 37915.
Quick verdict: ZIP 50138 is wealthier, lower poverty rate, lower unemployment, more educated, higher work-from-home share. ZIP 37915 is higher home values, more affordable rent, more diverse.
Quick Facts
ZIP 50138
Knoxville city, IA
View full profile →- Population11,374
- Median Income$76,887
- Median Home Value$170k
- Median Rent$665
- Median Age42.8 yrs
- Poverty Rate8.7%
ZIP 37915
Knoxville city, TN
View full profile →- Population6,124
- Median Income$22,236
- Median Home Value$206k
- Median Rent$453
- Median Age31.7 yrs
- Poverty Rate45.3%
Visual comparison (same scale)
Population
11,3746,124
Median Income
$76,887$22,236
Median Home Value
$170k$206k
Median Rent
$665$453
Median Age
42.8 yrs31.7 yrs
Poverty Rate
8.7%45.3%
Demographics
ZIP 50138
Knoxville city, IA
View full profile →- White %95.2%
- Black %0.3%
- Asian %0.8%
- Hispanic %2.0%
- Age 0–17 %20.8%
- Age 18–64 %58.0%
- Age 65+ %21.2%
- Bachelor's+ %28.4%
- Diversity Index9/100
ZIP 37915
Knoxville city, TN
View full profile →- White %44.6%
- Black %52.2%
- Asian %0.2%
- Hispanic %4.5%
- Age 0–17 %21.1%
- Age 18–64 %66.8%
- Age 65+ %12.0%
- Bachelor's+ %16.5%
- Diversity Index53/100
Visual comparison (same scale)
White %
95.2%44.6%
Black %
0.3%52.2%
Asian %
0.8%0.2%
Hispanic %
2.0%4.5%
Age 0–17 %
20.8%21.1%
Age 18–64 %
58.0%66.8%
Age 65+ %
21.2%12.0%
Bachelor's+ %
28.4%16.5%
Diversity Index
9/10053/100
Economy
ZIP 50138
Knoxville city, IA
View full profile →- Median Income$76,887
- Unemployment %2.4%
- IRS Net Migration+652
- Work From Home %10.8%
ZIP 37915
Knoxville city, TN
View full profile →- Median Income$22,236
- Unemployment %9.0%
- IRS Net Migration+217
- Work From Home %5.4%
Visual comparison (same scale)
Median Income
$76,887$22,236
Unemployment %
2.4%9.0%
IRS Net Migration
+652+217
Work From Home %
10.8%5.4%
Housing
ZIP 50138
Knoxville city, IA
View full profile →- Median Home Value$170k
- Median Rent$665
- Owner Occupied %79.8%
- Broadband %83.5%
- Vacant %8.1%
- Median Year Built1971
ZIP 37915
Knoxville city, TN
View full profile →- Median Home Value$206k
- Median Rent$453
- Owner Occupied %24.2%
- Broadband %68.7%
- Vacant %12.3%
- Median Year Built1977
Visual comparison (same scale)
Median Home Value
$170k$206k
Median Rent
$665$453
Owner Occupied %
79.8%24.2%
Broadband %
83.5%68.7%
Vacant %
8.1%12.3%
Median Year Built
19711977
Climate & Location
ZIP 50138
Knoxville city, IA
View full profile →- Snow Days/Year0 days
- Elevation (ft)895 ft
- Nearest Airport32.8 miles (52.8 km)
- Distance to Coast260.8 miles (419.7 km)
ZIP 37915
Knoxville city, TN
View full profile →- Snow Days/Year0 days
- Elevation (ft)830 ft
- Nearest Airport12.2 miles (19.7 km)
- Distance to Coast197.5 miles (317.9 km)
Visual comparison (same scale)
Snow Days/Year
0 days0 days
Elevation (ft)
895 ft830 ft
Nearest Airport
32.8 miles (52.8 km)12.2 miles (19.7 km)
Distance to Coast
260.8 miles (419.7 km)197.5 miles (317.9 km)
Infrastructure
ZIP 50138
Knoxville city, IA
View full profile →- Work From Home %10.8%
- Walkability (0–100)37
- Broadband %83.5%
ZIP 37915
Knoxville city, TN
View full profile →- Work From Home %5.4%
- Walkability (0–100)68
- Broadband %68.7%
Visual comparison (same scale)
Work From Home %
10.8%5.4%
Walkability (0–100)
3768
Broadband %
83.5%68.7%
Frequently Asked Questions
How do ZIP 50138 and 37915 compare?
ZIP 50138 is wealthier, lower poverty rate, lower unemployment, more educated, higher work-from-home share. ZIP 37915 is higher home values, more affordable rent, more diverse.
What do the blue and orange colors mean?
Blue represents the first ZIP (50138), orange the second (37915). 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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