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Zip Code 38581 — Rock Island, TN

38581 is a ZIP Code associated with Rock Island, TN, located within Warren. 38581 ranks #3 out of 5 ZIP codes in Warren County by population (and #332 out of 636 in TN). The area supports an estimated population of 4,079 residents across Data Pending housing units, with a population density of 16.1 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (35.738340, -85.621410)

Data MetricLocal Statistic
Postal / Zip Code38581
Primary CityRock Island
State / ProvinceTN
CountyWarren
Total Population4,079
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density16.1 people/sq mi
TimezoneAmerica/Chicago

How 38581 Compares

MetricZIP 38581Warren CountyTN State Average
Population4,07944,716 (Total)7,058,868 (Total)
Average ZIP IncomeData PendingN/AN/A
Population Density16.1 /sq mi----
County Pop Rank#3 of 5----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 38550Campaign2.3 mi17N/A
Zip 38579Quebeck7.6 mi1,475N/A
Zip 38559Doyle7.7 mi1,551N/A
Zip 38587Walling8.9 mi1,446N/A
Zip 37110Mcminnville9.5 mi34,296N/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 →