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🇺🇸 United States ZIP Code

STANDARD

37403

Chattanooga

ZIP Code 37403 is a standard zip code serving Chattanooga, Chattanooga, Tennessee (TN), in Hamilton County, United States. It has an estimated population of 5,811 with a median household income of $37,120. The area falls within the America/New_York timezone.

Median Household Income vs. National Average

$0 National: $37,585 $150K+ $37,120

Location

Country
🇺🇸 United States
State / Province
Tennessee (TN)
County
Hamilton
City
Chattanooga
Timezone
America/New_York

Coordinates

Latitude
35.045000
Longitude
-85.296500

Geographic Details

Land Area
1.71 mi²
Water Area
0.15 mi²
Population Density
3394.0 people per mi² (90th percentile)
Bounding Box
35.058514°N, 35.035746°S, -85.271298°E, -85.309742°W

With 5,811 residents spread across 1.71 square miles, this area has a population density of 3394.0 people per square mile.

Demographics

5,811

Population

60th percentile

$37,120

Median Income

20th percentile

$204,200

Median Home Value

75th percentile

1.71 mi²

Land Area

The median household income in 37403 is $37,120, and the median home value is $204,200. This is below the national average for household income.

Housing

1,673

Total Units

1,362

Occupied Units

81.4%

Occupancy Rate

Nearby ZIP Codes

Other zip codes in Chattanooga, TN.

37401

Chattanooga

 37402

Chattanooga

 37404

Chattanooga

 37405

Chattanooga

 37406

Chattanooga

 37407

Chattanooga

 37408

Chattanooga

 37409

Chattanooga

 37410

Chattanooga

 37411

Chattanooga

Similar ZIP Codes in Tennessee

ZIP codes with similar median household income in Tennessee.

37023

Big Rock

$37,035

 37025

Bon Aqua

$42,528

 37026

Bradyville

$32,269

 37030

Carthage

$39,211

 37033

Centerville

$42,681

 37036

Charlotte

$39,673

 37050

Cumberland City

$34,744

 37055

Dickson

$42,430

Frequently Asked Questions

What information is available for each ZIP code?
Each ZIP code page shows city, state, county, geographic coordinates, timezone, population, median household income, median home value, housing units, land area, population density, commute time, educational attainment, area codes, and ZIP code type (Standard, PO Box, or Unique).
What are the different types of ZIP codes?
There are three types of ZIP codes: Standard (residential and commercial delivery areas), PO Box (assigned to post office box sections), and Unique (assigned to a single high-volume address like a government agency or large company). Standard ZIP codes are the most common.
How often is ZIP code data updated?
ZIP code assignments are updated quarterly by the USPS. Demographic data comes from the US Census Bureau's American Community Survey (ACS), which releases new 5-year estimates annually. ZipFYI updates its data to reflect the latest available information.
What is population density and why does it matter?
Population density measures the number of people per square mile in a ZIP code area. It helps identify urban vs. rural areas, affects real estate values, impacts service availability, and is used in market analysis. Dense urban ZIP codes may have 50,000+ people per square mile.
How are ZIP code boundaries determined?
ZIP code boundaries are determined by the USPS based on mail delivery routes, not political or geographic boundaries. They follow carrier routes and may cross city, county, or even state lines. Boundaries can change when the USPS reorganizes delivery operations.
What does median household income tell me about a ZIP code?
Median household income is the middle value when all household incomes in a ZIP code are sorted. Half of households earn more and half earn less. It is a better indicator of typical earnings than average income, which can be skewed by very high or very low outliers.