Coalfield, TN ZIP Codes
3 ZIP codes serve Coalfield, Tennessee: 37748, 37840 and 37719. Together they are home to 27,624 residents in 11,139 households. That is more than the 2,754 people counted inside Coalfield Census-designated place, because these ZIP codes reach past its boundary. Median household income ranges from $64,883 in 37748 to $75,881 in 37840.
Coalfield Census-designated place
| Measure | Census figure |
|---|---|
| Residents | 2,754 |
| Households | 899 |
| Median household income | $90,104 |
| Median home value | $190,200 |
| Median age | 41.2 |
| Median rent | not published |
All 3 ZIP codes together
| Measure | Value |
|---|---|
| Residents (sum of ZIP codes) | 27,624 |
| Households (sum of ZIP codes) | 11,139 |
| Median household income, range across ZIP codes | $64,883 (37748) to $75,881 (37840) |
| Household-weighted average of ZIP medians (an approximation, not a true median) | $68,632 |
| Homeowners | 76.8% |
| Households with kids under 18 | 28.2% |
| Moved in the past year | 10.1% |
| Carrier routes in EDDM2GO's route library | 21 routes, 12,237 homes (2 of 3 ZIP codes) |
Top facts
- Highest median household income in Coalfield: 37840 ($75,881)
- Most residents: 37748 (17,575 people)
- Highest homeownership: 37840 (79.5% own their home)
- Most households with kids: 37840 (33.6% of households)
- Most new movers: 37748 (12.3% moved in last year)
- Youngest median age: 37840 (43.0 years)
- Highest median home value: 37840 ($203,600)
Every ZIP code in Coalfield
| ZIP | Mailing city | Residents | Households | Median income | Home value | Homeowners | With kids | New movers | Carrier routes | Mailboxes | Why listed |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 37748 | Harriman | 17,575 | 7,325 | $64,883 | $196,900 | 75.3% | 25.5% | 12.3% | 14 | 8,473 | 13% of its land |
| 37840 | Oliver Springs | 10,004 | 3,789 | $75,881 | $203,600 | 79.5% | 33.6% | 6.4% | 7 | 4,406 | 13% of its land |
| 37719 | Coalfield | 45 | 25 | — | — | 100.0% | 0.0% | 0.0% | — | — | 100% of its land; mailing city |
A ZIP code is listed for Coalfield when at least 10% of its land lies inside the Coalfield Census-designated place, when it holds at least 10% of the place's land, or when its USPS mailing city is Coalfield. The table shows which applies. Totals add up whole ZIP codes, so they include any parts outside Coalfield.
Counties
- Roane County — 9 ZIP codes
- Morgan County — 11 ZIP codes
Nearby cities sharing these ZIP codes
- Harriman — 1 ZIP code
Price a mailing to Coalfield ZIP codes
EDDM guides
Pick carrier routes on the EDDM route map
Frequently asked questions
- What ZIP codes are in Coalfield, TN?
- 37748, 37840 and 37719. A ZIP code is listed for Coalfield when at least 10% of its land lies inside the Coalfield Census-designated place, when it holds at least 10% of the place's land, or when its USPS mailing city is Coalfield.
- What is the population of Coalfield, TN?
- The Census Bureau counts 2,754 residents inside Coalfield Census-designated place (ACS 2020–2024). The 3 ZIP codes that serve Coalfield hold 27,624 residents in all.
- What is the median household income in Coalfield, TN?
- $90,104 inside Coalfield Census-designated place, per the Census Bureau. Across its ZIP codes the medians run from $64,883 to $75,881.
- Which Coalfield ZIP code has the highest median household income?
- 37840, at $75,881, among ZIP codes with at least 1,000 residents.
- How many carrier routes and mailboxes are in Coalfield, TN?
- For the 2 of 3 ZIP codes in EDDM2GO's stored route library: 21 carrier routes reaching 12,237 residential and 641 business mailboxes. The route map loads the rest when you search them.
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.