37405 vs 37421 — Compare ZIP Codes
Side-by-side comparison. Blue = ZIP 37405, Orange = ZIP 37421.
Quick verdict: ZIP 37405 is higher home values, more affordable rent, lower unemployment, more educated, higher work-from-home share. ZIP 37421 is wealthier, lower poverty rate, more diverse.
Quick Facts
ZIP 37405
Chattanooga city, TN
View full profile →- Population18,535
- Median Income$77,850
- Median Home Value$417k
- Median Rent$1,142
- Median Age36.0 yrs
- Poverty Rate12.3%
ZIP 37421
Chattanooga city, TN
View full profile →- Population52,516
- Median Income$79,958
- Median Home Value$300k
- Median Rent$1,169
- Median Age41.1 yrs
- Poverty Rate8.7%
Visual comparison (same scale)
Population
18,53552,516
Median Income
$77,850$79,958
Median Home Value
$417k$300k
Median Rent
$1,142$1,169
Median Age
36.0 yrs41.1 yrs
Poverty Rate
12.3%8.7%
Demographics
ZIP 37405
Chattanooga city, TN
View full profile →- White %83.3%
- Black %4.1%
- Asian %3.0%
- Hispanic %2.6%
- Age 0–17 %18.0%
- Age 18–64 %68.2%
- Age 65+ %13.8%
- Bachelor's+ %52.8%
- Diversity Index30/100
ZIP 37421
Chattanooga city, TN
View full profile →- White %63.6%
- Black %23.2%
- Asian %4.7%
- Hispanic %8.3%
- Age 0–17 %19.2%
- Age 18–64 %61.5%
- Age 65+ %19.3%
- Bachelor's+ %37.9%
- Diversity Index53/100
Visual comparison (same scale)
White %
83.3%63.6%
Black %
4.1%23.2%
Asian %
3.0%4.7%
Hispanic %
2.6%8.3%
Age 0–17 %
18.0%19.2%
Age 18–64 %
68.2%61.5%
Age 65+ %
13.8%19.3%
Bachelor's+ %
52.8%37.9%
Diversity Index
30/10053/100
Economy
ZIP 37405
Chattanooga city, TN
View full profile →- Median Income$77,850
- Unemployment %2.5%
- IRS Net Migration+657
- Work From Home %14.9%
ZIP 37421
Chattanooga city, TN
View full profile →- Median Income$79,958
- Unemployment %3.5%
- IRS Net Migration+1,862
- Work From Home %11.0%
Visual comparison (same scale)
Median Income
$77,850$79,958
Unemployment %
2.5%3.5%
IRS Net Migration
+657+1,862
Work From Home %
14.9%11.0%
Housing
ZIP 37405
Chattanooga city, TN
View full profile →- Median Home Value$417k
- Median Rent$1,142
- Owner Occupied %48.7%
- Broadband %93.2%
- Vacant %13.2%
- Median Year Built1980
ZIP 37421
Chattanooga city, TN
View full profile →- Median Home Value$300k
- Median Rent$1,169
- Owner Occupied %60.6%
- Broadband %93.1%
- Vacant %7.4%
- Median Year Built1990
Visual comparison (same scale)
Median Home Value
$417k$300k
Median Rent
$1,142$1,169
Owner Occupied %
48.7%60.6%
Broadband %
93.2%93.1%
Vacant %
13.2%7.4%
Median Year Built
19801990
Climate & Location
ZIP 37405
Chattanooga city, TN
View full profile →- Snow Days/Year0 days
- Elevation (ft)2,110 ft
- Nearest Airport12.9 miles (20.7 km)
- Distance to Coast220.4 miles (354.7 km)
ZIP 37421
Chattanooga city, TN
View full profile →- Snow Days/Year0 days
- Elevation (ft)671 ft
- Nearest Airport3.3 miles (5.2 km)
- Distance to Coast204.6 miles (329.3 km)
Visual comparison (same scale)
Snow Days/Year
0 days0 days
Elevation (ft)
2,110 ft671 ft
Nearest Airport
12.9 miles (20.7 km)3.3 miles (5.2 km)
Distance to Coast
220.4 miles (354.7 km)204.6 miles (329.3 km)
Infrastructure
ZIP 37405
Chattanooga city, TN
View full profile →- Work From Home %14.9%
- Walkability (0–100)57
- Broadband %93.2%
ZIP 37421
Chattanooga city, TN
View full profile →- Work From Home %11.0%
- Walkability (0–100)40
- Broadband %93.1%
Visual comparison (same scale)
Work From Home %
14.9%11.0%
Walkability (0–100)
5740
Broadband %
93.2%93.1%
Frequently Asked Questions
How do ZIP 37405 and 37421 compare?
ZIP 37405 is higher home values, more affordable rent, lower unemployment, more educated, higher work-from-home share. ZIP 37421 is wealthier, lower poverty rate, more diverse.
What do the blue and orange colors mean?
Blue represents the first ZIP (37405), orange the second (37421). 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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