📍 View location on OpenStreetMap (36.330230, -81.977300)
| Data Metric | Local Statistic |
|---|---|
| Postal / Zip Code | 37640 |
| Primary City | Butler |
| State / Province | TN |
| County | Johnson |
| Total Population | 3,851 |
| Population Density | 14.2 people/sq mi |
| Timezone | America/New_York |
| Metric | ZIP 37640 | Johnson County records | TN records |
|---|---|---|---|
| Population estimate | 3,851 | 19,304 (sum) | 7,058,868 (sum) |
| Population Density | 14.2 /sq mi | -- | -- |
| County population rank | #2 of 5 | -- | -- |
| State population rank | #342 of 619 | -- | -- |
Regional sums combine the population estimates in the listed ZIP records; they are not official county or state population totals.
| ZIP Code | City | Distance | Population estimate |
|---|---|---|---|
| ZIP 37643 | Elizabethton | 9.4 mi | 34,120 |
| ZIP 37658 | Hampton | 10.8 mi | 3,854 |
| ZIP 37687 | Roan Mountain | 11.9 mi | 4,493 |
| ZIP 37683 | Mountain City | 12.1 mi | 12,943 |
| ZIP 37691 | Trade | 12.6 mi | 475 |
Data Sources & Methodology: Geographic coordinates and ZIP Code assignments are derived from underlying geographic and postal datasets. Note that ZIP Codes are USPS postal delivery areas, while Census ZCTAs are statistical approximation areas. Read full methodology →