Home > TN > Unicoi County > Flag Pond > Zip 37657

Zip Code 37657 — Flag Pond, TN

37657 is a ZIP Code associated with Flag Pond, TN, located within Unicoi. The postal region supports an estimated population of 1,060 residents across Data Pending housing units, with a population density of 11.1 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (36.017250, -82.560570)

Data MetricLocal Statistic
Postal / Zip Code37657
Primary CityFlag Pond
State / ProvinceTN
CountyUnicoi
Total Population1,060
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density11.1 people/sq mi
TimezoneAmerica/New_York

How 37657 Compares

MetricZIP 37657Unicoi CountyTN State Average
Population1,06018,6007,058,868
Median IncomeData PendingN/AN/A
Population Density11.1 /sq mi----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 37650Erwin8.2 mi12,774N/A
Zip 37641Chuckey13.9 mi9,733N/A
Zip 37690Telford16.2 mi4,722N/A
Zip 37681Limestone16.8 mi5,723N/A
Zip 37743Greeneville16.9 mi24,548N/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 →