Home > TN > Marion County > Chattanooga > Zip 37405

Zip Code 37405 — Chattanooga, TN

37405 is a ZIP Code associated with Chattanooga, TN, located within Marion. The postal region supports an estimated population of 18,109 residents across Data Pending housing units, with a population density of 128.7 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (35.117570, -85.404290)

Data MetricLocal Statistic
Postal / Zip Code37405
Primary CityChattanooga
State / ProvinceTN
CountyMarion
Total Population18,109
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density128.7 people/sq mi
TimezoneAmerica/Chicago

How 37405 Compares

MetricZIP 37405Marion CountyTN State Average
Population18,10954,3807,058,868
Median IncomeData PendingN/AN/A
Population Density128.7 /sq mi----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 37419Chattanooga5.4 mi5,980N/A
Zip 37402Chattanooga7.0 mi3,953N/A
Zip 37450Chattanooga7.0 miN/AN/A
Zip 37415Chattanooga7.1 mi24,181N/A
Zip 37377Signal Mountain7.5 mi17,188N/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 →