37840 vs 37830 — Compare ZIP Codes
Side-by-side comparison. Blue = ZIP 37840, Orange = ZIP 37830.
Quick verdict: ZIP 37840 is more affordable rent. ZIP 37830 is wealthier, higher home values, lower poverty rate, lower unemployment, more diverse, more educated, higher work-from-home share.
Quick Facts
ZIP 37840
Coalfield CDP, TN
View full profile →- Population10,402
- Median Income$60,064
- Median Home Value$185k
- Median Rent$431
- Median Age41.7 yrs
- Poverty Rate15.2%
ZIP 37830
Oak Ridge city, TN
View full profile →- Population32,519
- Median Income$70,795
- Median Home Value$235k
- Median Rent$871
- Median Age39.6 yrs
- Poverty Rate13.1%
Visual comparison (same scale)
Population
10,40232,519
Median Income
$60,064$70,795
Median Home Value
$185k$235k
Median Rent
$431$871
Median Age
41.7 yrs39.6 yrs
Poverty Rate
15.2%13.1%
Demographics
ZIP 37840
Coalfield CDP, TN
View full profile →- White %94.7%
- Black %0.0%
- Asian %0.3%
- Hispanic %0.5%
- Age 0–17 %24.3%
- Age 18–64 %53.9%
- Age 65+ %21.9%
- Bachelor's+ %15.6%
- Diversity Index10/100
ZIP 37830
Oak Ridge city, TN
View full profile →- White %81.4%
- Black %6.2%
- Asian %2.7%
- Hispanic %6.5%
- Age 0–17 %24.5%
- Age 18–64 %56.3%
- Age 65+ %19.2%
- Bachelor's+ %39.2%
- Diversity Index33/100
Visual comparison (same scale)
White %
94.7%81.4%
Black %
0.0%6.2%
Asian %
0.3%2.7%
Hispanic %
0.5%6.5%
Age 0–17 %
24.3%24.5%
Age 18–64 %
53.9%56.3%
Age 65+ %
21.9%19.2%
Bachelor's+ %
15.6%39.2%
Diversity Index
10/10033/100
Economy
ZIP 37840
Coalfield CDP, TN
View full profile →- Median Income$60,064
- Unemployment %7.0%
- IRS Net Migration+369
- Work From Home %4.1%
ZIP 37830
Oak Ridge city, TN
View full profile →- Median Income$70,795
- Unemployment %4.7%
- IRS Net Migration+1,153
- Work From Home %13.9%
Visual comparison (same scale)
Median Income
$60,064$70,795
Unemployment %
7.0%4.7%
IRS Net Migration
+369+1,153
Work From Home %
4.1%13.9%
Housing
ZIP 37840
Coalfield CDP, TN
View full profile →- Median Home Value$185k
- Median Rent$431
- Owner Occupied %76.7%
- Broadband %86.4%
- Vacant %4.6%
- Median Year Built1980
ZIP 37830
Oak Ridge city, TN
View full profile →- Median Home Value$235k
- Median Rent$871
- Owner Occupied %65.0%
- Broadband %93.2%
- Vacant %10.8%
- Median Year Built1963
Visual comparison (same scale)
Median Home Value
$185k$235k
Median Rent
$431$871
Owner Occupied %
76.7%65.0%
Broadband %
86.4%93.2%
Vacant %
4.6%10.8%
Median Year Built
19801963
Climate & Location
ZIP 37840
Coalfield CDP, TN
View full profile →- Snow Days/Year0 days
- Elevation (ft)910 ft
- Nearest Airport28.7 miles (46.2 km)
- Distance to Coast219.2 miles (352.8 km)
ZIP 37830
Oak Ridge city, TN
View full profile →- Snow Days/Year0 days
- Elevation (ft)905 ft
- Nearest Airport19.8 miles (31.8 km)
- Distance to Coast210.0 miles (337.9 km)
Visual comparison (same scale)
Snow Days/Year
0 days0 days
Elevation (ft)
910 ft905 ft
Nearest Airport
28.7 miles (46.2 km)19.8 miles (31.8 km)
Distance to Coast
219.2 miles (352.8 km)210.0 miles (337.9 km)
Infrastructure
ZIP 37840
Coalfield CDP, TN
View full profile →- Work From Home %4.1%
- Walkability (0–100)17
- Broadband %86.4%
ZIP 37830
Oak Ridge city, TN
View full profile →- Work From Home %13.9%
- Walkability (0–100)31
- Broadband %93.2%
Visual comparison (same scale)
Work From Home %
4.1%13.9%
Walkability (0–100)
1731
Broadband %
86.4%93.2%
Frequently Asked Questions
How do ZIP 37840 and 37830 compare?
ZIP 37840 is more affordable rent. ZIP 37830 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 (37840), orange the second (37830). 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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