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Zip Code 37148 — Portland, TN

37148 is a ZIP Code associated with Portland, TN, located within Sumner. 37148 ranks #3 out of 7 ZIP codes in Sumner County by population (and #83 out of 636 in TN). The area supports an estimated population of 26,274 residents across Data Pending housing units, with a population density of 76.9 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (36.576940, -86.502240)

Data MetricLocal Statistic
Postal / Zip Code37148
Primary CityPortland
State / ProvinceTN
CountySumner
Total Population26,274
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density76.9 people/sq mi
TimezoneAmerica/Chicago

How 37148 Compares

MetricZIP 37148Sumner CountyTN State Average
Population26,274191,189 (Total)7,058,868 (Total)
Average ZIP IncomeData PendingN/AN/A
Population Density76.9 /sq mi----
County Pop Rank#3 of 7----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 37048Cottontown7.8 mi6,380N/A
Zip 37049Cross Plains9.9 mi4,160N/A
Zip 37141Orlinda11.2 mi1,618N/A
Zip 37022Bethpage11.9 mi5,728N/A
Zip 37188White House12.0 mi18,241N/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 →