50138 vs 37909 — Compare ZIP Codes
Side-by-side comparison. Blue = ZIP 50138, Orange = ZIP 37909.
Quick verdict: ZIP 50138 is wealthier, more affordable rent, lower unemployment, higher work-from-home share. ZIP 37909 is higher home values, lower poverty rate, more diverse, more educated.
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 37909
Knoxville city, TN
View full profile →- Population16,848
- Median Income$61,365
- Median Home Value$274k
- Median Rent$1,003
- Median Age36.4 yrs
- Poverty Rate8.6%
Visual comparison (same scale)
Population
11,37416,848
Median Income
$76,887$61,365
Median Home Value
$170k$274k
Median Rent
$665$1,003
Median Age
42.8 yrs36.4 yrs
Poverty Rate
8.7%8.6%
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 37909
Knoxville city, TN
View full profile →- White %86.4%
- Black %4.8%
- Asian %3.1%
- Hispanic %2.8%
- Age 0–17 %17.5%
- Age 18–64 %63.5%
- Age 65+ %19.1%
- Bachelor's+ %44.7%
- Diversity Index25/100
Visual comparison (same scale)
White %
95.2%86.4%
Black %
0.3%4.8%
Asian %
0.8%3.1%
Hispanic %
2.0%2.8%
Age 0–17 %
20.8%17.5%
Age 18–64 %
58.0%63.5%
Age 65+ %
21.2%19.1%
Bachelor's+ %
28.4%44.7%
Diversity Index
9/10025/100
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 37909
Knoxville city, TN
View full profile →- Median Income$61,365
- Unemployment %4.9%
- IRS Net Migration+597
- Work From Home %9.8%
Visual comparison (same scale)
Median Income
$76,887$61,365
Unemployment %
2.4%4.9%
IRS Net Migration
+652+597
Work From Home %
10.8%9.8%
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 37909
Knoxville city, TN
View full profile →- Median Home Value$274k
- Median Rent$1,003
- Owner Occupied %47.6%
- Broadband %89.0%
- Vacant %4.0%
- Median Year Built1983
Visual comparison (same scale)
Median Home Value
$170k$274k
Median Rent
$665$1,003
Owner Occupied %
79.8%47.6%
Broadband %
83.5%89.0%
Vacant %
8.1%4.0%
Median Year Built
19711983
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 37909
Knoxville city, TN
View full profile →- Snow Days/Year0 days
- Elevation (ft)830 ft
- Nearest Airport9.6 miles (15.4 km)
- Distance to Coast200.0 miles (321.8 km)
Visual comparison (same scale)
Snow Days/Year
0 days0 days
Elevation (ft)
895 ft830 ft
Nearest Airport
32.8 miles (52.8 km)9.6 miles (15.4 km)
Distance to Coast
260.8 miles (419.7 km)200.0 miles (321.8 km)
Infrastructure
ZIP 50138
Knoxville city, IA
View full profile →- Work From Home %10.8%
- Walkability (0–100)37
- Broadband %83.5%
ZIP 37909
Knoxville city, TN
View full profile →- Work From Home %9.8%
- Walkability (0–100)54
- Broadband %89.0%
Visual comparison (same scale)
Work From Home %
10.8%9.8%
Walkability (0–100)
3754
Broadband %
83.5%89.0%
Frequently Asked Questions
How do ZIP 50138 and 37909 compare?
ZIP 50138 is wealthier, more affordable rent, lower unemployment, higher work-from-home share. ZIP 37909 is higher home values, lower poverty rate, more diverse, more educated.
What do the blue and orange colors mean?
Blue represents the first ZIP (50138), orange the second (37909). 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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