ZIP code · Bluff City · Tennessee · United States
ZIP code 37618 — Bluff City
ZIP code 37618 serves Bluff City, Tennessee.
- Postal code
- 37618Single source Value from one source, not cross-checked.
- City
- Bluff City
- County
- Sullivan FIPS 47163
- State
- Tennessee
- Country
- United States
- Coordinates
- 36.4774, -82.2362 — precision precise (locality)
View on OpenStreetMap - Population
- 13,208 (ZCTA, ACS 5-year)
- Population density
- 191 / sq mi
- Land area
- 69.3 sq mi (179.5 km²) (ZCTA, ACS 5-year)
- Median household income
- $58,413
- Per-capita income
- $30,039
- Median age
- 44.3
- Households
- 5,494
- Housing units
- 6,250
- Median home value
- $174,000
- Median gross rent
- $880 / month
- Congressional district
- TN-1 (119th Congress)
- USDA hardiness zone
- 7b (5 to 10 °F)Planting / growing zone from the 2023 USDA Plant Hardiness Zone Map: average annual extreme minimum temperature, 1991–2020.
- Time zone
- America/New_York (UTC−5 / UTC−4 DST)
- Area code
- 423Telephone area codes serving this ZIP (NANPA central-office assignments). A ZIP and an area code are different boundaries; at a border both codes may apply.
Tools: compare 37618 with another ZIP · ZIPs within 25 miles · distance from 37618
Map of ZIP code 37618
Climate — monthly normals
Warmest month Jul (avg high 86°F), coldest Jan (avg low 26°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 46 | 50 | 59 | 69 | 77 | 83 | 86 | 85 | 80 | 70 | 59 | 50 |
| Avg low °F | 26 | 28 | 34 | 42 | 52 | 60 | 64 | 62 | 56 | 44 | 33 | 29 |
| Precip in | 3.8 | 3.8 | 4.0 | 3.8 | 4.4 | 5.2 | 5.9 | 4.2 | 3.0 | 2.8 | 3.4 | 3.9 |
NOAA 1991–2020 climate normals from the nearest station: ELIZABETHTON (8.6 mi) · NOAA NCEI
Places in ZIP 37618
- 8 schools
- 1 doctors & dentists
- 4 restaurants & cafés
- 8 parks
- 5 playgrounds
- 1 libraries
- 21 places of worship
- 3 gas stations
Places mapped inside this ZIP’s ZCTA area in OpenStreetMap. OSM is community-maintained: counts reflect what has been mapped, and completeness varies by area — treat them as at-least figures. © OpenStreetMap contributors (ODbL) · Methodology
About this page
US ZIP codes have five digits. They are postal routing areas, not administrative boundaries: a ZIP can span more than one city or county, and the city shown is the primary USPS name for that code.
GeoNames · U.S. Census Bureau (ACS) · U.S. Census Bureau · NOAA NCEI · usda-phzm. Data generated on 2026-08-21. Methodology · Report an error on this page