Home > TN > Sullivan County > Bluff City > Zip 37618

Zip Code 37618 — Bluff City, TN

37618 is a ZIP Code associated with Bluff City, TN, located within Sullivan. The postal region supports an estimated population of 12,548 residents across Data Pending housing units, with a population density of 69.9 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (36.465550, -82.208330)

Data MetricLocal Statistic
Postal / Zip Code37618
Primary CityBluff City
State / ProvinceTN
CountySullivan
Total Population12,548
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density69.9 people/sq mi
TimezoneAmerica/New_York

How 37618 Compares

MetricZIP 37618Sullivan CountyTN State Average
Population12,548163,5157,058,868
Median IncomeData PendingN/AN/A
Population Density69.9 /sq mi----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 37694Watauga6.7 mi1,729N/A
Zip 37643Elizabethton7.4 mi34,120N/A
Zip 37686Piney Flats7.8 mi9,495N/A
Zip 37620Bristol8.5 mi38,494N/A
Zip 37617Blountville10.2 mi14,744N/A

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 →