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ZIP Code 37840
Coalfield, TN, Morgan County
Population
10,004
Land area
80.7sq mi
People per sq mi
124
City
Coalfield
ZIP 37840 and nearby ZIP codes
ZIP 37840 at a glance
- ZIP 37840 (Coalfield) is 28% less dense than Tennessee as a whole.
- The median household income is $75,881, 9% above the Tennessee median of $69,595.
- A typical owner-occupied home is valued at $203,600 (29% below Tennessee) and median rent is $682 a month.
Local data for ZIP 37840
Counts from official public data
Housing and community stats
ZIP 37840, American Community Survey 2020-2024
Median household income
$75,881
Poverty rate
12.7%
Median home value
$203,600
Prices +1.6% in a year
Median rent
$682/mo
Homeownership
79.5%
Bachelor's or higher
15.5%
Median age
43.0
Average commute
29.5 min
Economy and federal money
Businesses, pandemic loans and political donations
Business establishments
108
ZIP Business Patterns 2023
Employees
695
$25.1M annual payroll
PPP loans
$6M
144 loans
Campaign donations
$26.4K
19% D, 32% R, 2026 cycle
Environment and hazard risk
ZIP 37840, from FEMA, NOAA and EPA
Natural hazard risk
Very Low
Top: landslide
Storm events since 1996
354
Countywide, mostly thunderstorm wind
Flood insurance policies
9
0.1% of homes, county
July high / Jan low
87° / 29°F
59.7 inches of rain a year
Health statistics
Share of adults in ZIP 37840, CDC PLACES estimates
Obesity
41.6%
U.S. 33.3% +8.3 pts
Diabetes
15.5%
U.S. 12.1% +3.4 pts
Smoking
21.4%
U.S. 12.8% +8.6 pts
Uninsured (18-64)
11.8%
U.S. 11.1% +0.7 pts
Frequently asked questions
- What city is ZIP code 37840?
- ZIP code 37840 is in Coalfield, TN (Morgan County).
- What county is ZIP code 37840 in?
- ZIP code 37840 is mostly in Morgan County, Tennessee.
- How many people live in ZIP code 37840?
- About 10,004 people live in the 37840 ZIP Code Tabulation Area, based on American Community Survey 5-year estimates.
Source: U.S. Census Bureau (ZIP Code Tabulation Areas, American Community Survey) · Data as of 12/31/2023. ZIP Code Tabulation Areas closely match, but are not identical to, USPS ZIP code delivery areas.