50138 vs 37922 — Compare ZIP Codes
Side-by-side comparison. Blue = ZIP 50138, Orange = ZIP 37922.
Quick verdict: ZIP 50138 is more affordable rent. ZIP 37922 is wealthier, higher home values, lower poverty rate, lower unemployment, more diverse, more educated, higher work-from-home share.
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 37922
Knoxville city, TN
View full profile →- Population39,013
- Median Income$126,638
- Median Home Value$469k
- Median Rent$1,518
- Median Age40.9 yrs
- Poverty Rate3.3%
Visual comparison (same scale)
Population
11,37439,013
Median Income
$76,887$126,638
Median Home Value
$170k$469k
Median Rent
$665$1,518
Median Age
42.8 yrs40.9 yrs
Poverty Rate
8.7%3.3%
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 37922
Knoxville city, TN
View full profile →- White %85.5%
- Black %3.0%
- Asian %4.9%
- Hispanic %4.4%
- Age 0–17 %26.4%
- Age 18–64 %57.9%
- Age 65+ %15.7%
- Bachelor's+ %69.9%
- Diversity Index26/100
Visual comparison (same scale)
White %
95.2%85.5%
Black %
0.3%3.0%
Asian %
0.8%4.9%
Hispanic %
2.0%4.4%
Age 0–17 %
20.8%26.4%
Age 18–64 %
58.0%57.9%
Age 65+ %
21.2%15.7%
Bachelor's+ %
28.4%69.9%
Diversity Index
9/10026/100
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 37922
Knoxville city, TN
View full profile →- Median Income$126,638
- Unemployment %2.1%
- IRS Net Migration+1,383
- Work From Home %17.3%
Visual comparison (same scale)
Median Income
$76,887$126,638
Unemployment %
2.4%2.1%
IRS Net Migration
+652+1,383
Work From Home %
10.8%17.3%
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 37922
Knoxville city, TN
View full profile →- Median Home Value$469k
- Median Rent$1,518
- Owner Occupied %84.7%
- Broadband %97.6%
- Vacant %6.5%
- Median Year Built1997
Visual comparison (same scale)
Median Home Value
$170k$469k
Median Rent
$665$1,518
Owner Occupied %
79.8%84.7%
Broadband %
83.5%97.6%
Vacant %
8.1%6.5%
Median Year Built
19711997
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 37922
Knoxville city, TN
View full profile →- Snow Days/Year0 days
- Elevation (ft)962 ft
- Nearest Airport6.9 miles (11.1 km)
- Distance to Coast197.7 miles (318.2 km)
Visual comparison (same scale)
Snow Days/Year
0 days0 days
Elevation (ft)
895 ft962 ft
Nearest Airport
32.8 miles (52.8 km)6.9 miles (11.1 km)
Distance to Coast
260.8 miles (419.7 km)197.7 miles (318.2 km)
Infrastructure
ZIP 50138
Knoxville city, IA
View full profile →- Work From Home %10.8%
- Walkability (0–100)37
- Broadband %83.5%
ZIP 37922
Knoxville city, TN
View full profile →- Work From Home %17.3%
- Walkability (0–100)39
- Broadband %97.6%
Visual comparison (same scale)
Work From Home %
10.8%17.3%
Walkability (0–100)
3739
Broadband %
83.5%97.6%
Frequently Asked Questions
How do ZIP 50138 and 37922 compare?
ZIP 50138 is more affordable rent. ZIP 37922 is wealthier, higher home values, lower poverty rate, lower unemployment, more diverse, more educated, higher work-from-home share.
What do the blue and orange colors mean?
Blue represents the first ZIP (50138), orange the second (37922). 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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