37405 ZIP Code — Chattanooga, TN
Hamilton County, Tennessee
ZIP code 37405 is located in Chattanooga, Tennessee, within Hamilton County. It covers approximately 54.33 square miles and serves a population of 18,456 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 423.
About ZIP code 37405
The housing stock consists of a mix of housing types. Most homes were built in the 1980s, giving the area an established character. Median home value is $374,400. Owner-occupancy sits near the national average at 47%.
The gap between median ($72,766) and mean household income suggests income inequality — a small number of higher earners pull the average up.
The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 19 minutes is near the national average.
Educational attainment is high — 52% of residents hold a bachelor's degree or higher, well above the national average of 33%.
18,456
population
54.33
sq mi land
Standard
ZIP type
Eastern (ET)
timezone
37405 ZIP code map
Cities in ZIP code 37405
Below are the cities the US Postal Service accepts for ZIP code 37405. Using any city not on this list may result in mail delivery delays.
| City | Status |
|---|---|
| Chattanooga | Preferred |
Nearby ZIP codes
37377 Signal Mountain (5.1 mi)
37396 Whiteside (5.2 mi)
37419 Chattanooga (5.7 mi)
37402 Chattanooga (6.8 mi)
37415 Chattanooga (7 mi)
37450 Chattanooga (7 mi)
37403 Chattanooga (7.6 mi)
37408 Chattanooga (8 mi)
37397 Whitwell (8 mi)
37406 Chattanooga (8.6 mi)
37409 Chattanooga (8.8 mi)
37350 Lookout Mountain (9.2 mi)
Demographics
updated 05/2026
| Population | |
|---|---|
| Total population | 18,456 |
| Population density | 340 / sq mi |
| State FIPS | 47 |
| County FIPS | 065 |
| Geography | |
|---|---|
| Land area | 54.33 sq mi |
| Water area | 1.49 sq mi |
| Latitude | 35.1281 |
| Longitude | -85.3832 |
| Timezone | Eastern (ET) |
| Area code | 423 |
Total population by age
Gender
Race & ethnicity
Economics
updated 05/2026
Household income
| Income range | This ZIP | County avg | State avg |
|---|---|---|---|
| Under $50k | 40.5% | 44.3% | 45.7% |
| $50k – $100k | 28.4% | 30.0% | 30.9% |
| $100k – $200k | 21.2% | 19.5% | 18.3% |
| Over $200k | 9.9% | 6.2% | 5.1% |
Demographics & statistics
18,456
Population
340
People per sq mi
35.0
Median age
$72,766
Median household income
$57,933
Per capita income
$374,400
Median home value
$1,198
Median monthly rent
47.0%
Home ownership
13.5%
Poverty rate
2.8%
Unemployment
5,368
Housing units
51.7%
Bachelor's or higher
Age distribution
Male
Female
612
Under 5
696
360
5–9
409
350
10–14
399
287
15–19
327
760
20–24
866
1,941
25–34
2,210
1,144
35–44
1,304
1,020
45–54
1,161
479
55–59
546
391
60–64
446
776
65–74
884
303
75–84
346
205
85+
234
← Male
Female →
Age summary
| Group | Count | % |
|---|---|---|
| Under 18 | 3,242 | 17.6% |
| 18 and over | 15,214 | 82.4% |
| 65 and over | 2,748 | 14.9% |
| Median age | 35.0 years | |
Race & ethnicity
White
81.8%
Two or more races
6.5%
Black or African American
4.1%
Asian
3.4%
Hispanic or Latino
2.6%
Other race
1.5%
| Group | Count | % |
|---|---|---|
| White | 15,501 | 81.8% |
| Two or more races | 1,231 | 6.5% |
| Black or African American | 780 | 4.1% |
| Asian | 645 | 3.4% |
| Hispanic or Latino | 489 | 2.6% |
| Other race | 291 | 1.5% |
Household income
| Income range | This ZIP | County avg | State avg |
|---|---|---|---|
| Under $50k | 40.5% | 44.3% | 45.7% |
| $50k – $100k | 28.4% | 30.0% | 30.9% |
| $100k – $200k | 21.2% | 19.5% | 18.3% |
| Over $200k | 9.9% | 6.2% | 5.1% |
Under $10k
8.2%
$10k–$15k
3.6%
$15k–$25k
4.5%
$25k–$35k
6.4%
$35k–$50k
12.4%
$50k–$75k
16.5%
$75k–$100k
12.1%
$100k–$150k
14.6%
$150k–$200k
6.9%
$200k+
14.7%
| Range | % of households |
|---|---|
| Under $10k | 8.2% |
| $10k–$15k | 3.6% |
| $15k–$25k | 4.5% |
| $25k–$35k | 6.4% |
| $35k–$50k | 12.4% |
| $50k–$75k | 16.5% |
| $75k–$100k | 12.1% |
| $100k–$150k | 14.6% |
| $150k–$200k | 6.9% |
| $200k+ | 14.7% |
| Median income | $72,766 |
Housing
Home values
Under $50k
2.7%
$50k–$100k
3.7%
$100k–$150k
6.2%
$150k–$200k
8.3%
$200k–$300k
17.9%
$300k–$500k
29.4%
$500k–$1M
21.4%
$1M+
10.5%
Housing overview
| Metric | Value |
|---|---|
| Median home value | $374,400 |
| Median rent / month | $1,198 |
| Owner occupied | 47.0% |
| Renter occupied | 53.0% |
| Vacant | 13.0% |
| Single-family detached | 45.8% |
| Large apartment buildings | 16.6% |
| Mobile homes | 3.2% |
| Median rooms | 4.8 |
| Avg household size (owned) | 2.24 |
Year built
| Era | % |
|---|---|
| 2020 or later | 1.0% |
| 2010–2019 | 14.4% |
| 2000–2009 | 9.8% |
| 1990–1999 | 9.9% |
| 1980–1989 | 14.7% |
| 1970–1979 | 13.6% |
| 1960–1969 | 7.7% |
| 1950–1959 | 10.4% |
| 1940–1949 | 4.3% |
| 1939 or earlier | 14.3% |
Bedrooms
| Size | % of units |
|---|---|
| No bedroom (studio) | 2.0% |
| 1 bedroom | 15.2% |
| 2 bedrooms | 45.9% |
| 3 bedrooms | 24.5% |
| 4 bedrooms | 10.3% |
| 5+ bedrooms | 2.2% |
Vehicles per household
| Vehicles | % of households |
|---|---|
| No vehicle | 9.0% |
| 1 vehicle | 40.8% |
| 2 vehicles | 38.9% |
| 3 or more | 11.3% |
Heating fuel
| Fuel type | % |
|---|---|
| Utility gas | 29.7% |
| Electricity | 68.0% |
| Propane / LP gas | 1.7% |
| Fuel oil | 0.5% |
| Wood | 0.1% |
Households & families
| Household type | Count | % |
|---|---|---|
| Married-couple family | 3,067 | 35.4% |
| Cohabiting couple | 882 | 10.2% |
| Male householder, no spouse | 1,857 | 21.4% |
| Female householder, no spouse | 2,859 | 33.0% |
| Households with children under 18 | 2,033 | 23.5% |
| Households with seniors (65+) | 1,892 | 21.8% |
| Average household size | 2.06 | |
Marital status
| Status | Male | Female |
|---|---|---|
| Never married | 40.7% | 37.3% |
| Married | 45.1% | 39.4% |
| Separated | 1.5% | 3.5% |
| Widowed | 1.4% | 5.9% |
| Divorced | 11.2% | 13.9% |
Education
Less than 9th grade
2.0%
Some HS, no diploma
4.8%
HS graduate
16.7%
Some college, no degree
17.5%
Associate's degree
7.3%
Bachelor's degree
29.5%
Graduate / professional
22.3%
| Metric | % |
|---|---|
| HS diploma or higher | 93.2% |
| Bachelor's or higher | 51.7% |
School enrollment (ages 3–17)
| Type | Count | % |
|---|---|---|
| Nursery / preschool | 187 | 5.3% |
| Kindergarten | 219 | 6.2% |
| Elementary school | 1,163 | 32.9% |
| High school | 658 | 18.6% |
| College / grad school | 1,311 | 37.1% |
Employment
Industry of employment
Education & healthcare
24.8%
Professional & management
13.7%
Arts, food & hospitality
12.3%
Finance & real estate
10.1%
Manufacturing
9.3%
Retail trade
7.1%
Transportation & utilities
7.0%
Construction
5.2%
Other services
5.1%
Wholesale trade
2.2%
Information
1.7%
Public administration
1.4%
Agriculture & mining
0.1%
Occupation
| Category | % |
|---|---|
| Management, business & arts | 54.9% |
| Service | 15.3% |
| Sales & office | 17.0% |
| Natural resources & construction | 3.8% |
| Production & transportation | 9.0% |
Employment type
| Type | % |
|---|---|
| Private sector | 82.8% |
| Government | 10.5% |
| Self-employed | 6.5% |
| Unpaid family workers | 0.1% |
Commute
| Method | % |
|---|---|
| Drive alone | 79.7% |
| Carpool | 5.1% |
| Public transit | 0.6% |
| Walk | 1.1% |
| Work from home | 12.6% |
| Other means | 0.8% |
| Avg commute (minutes) | 18.6 |
Poverty
All people
13.5%
Under 18 years
5.3%
18 and over
15.3%
Married-couple families
2.0%
Female-led households
33.3%
Income support
| Source | % of households |
|---|---|
| Social Security | 21.3% |
| Retirement income | 16.3% |
| Supplemental Security | 1.4% |
| Cash public assistance | 1.1% |
| Food stamps / SNAP | 8.7% |
Health indicators
| Condition | % |
|---|---|
| Obesity | 26.9% |
| High blood pressure | 31.4% |
| High cholesterol | 33.2% |
| Diabetes | 9.1% |
| Heart disease | 5.7% |
| Stroke | 2.7% |
| Asthma | 9.7% |
| Arthritis | 23.2% |
| Kidney disease | 2.6% |
| Pulmonary disease | 6.1% |
| Cancer | 6.4% |
| Behavior / access | % |
|---|---|
| Smoking | 15.6% |
| Binge drinking | 15.9% |
| No physical activity | 19.4% |
| Less than 7 hrs sleep | 31.4% |
| Depression | 24.9% |
| Fair or poor health | 11.8% |
| Poor mental health | 15.7% |
| Poor physical health | 8.8% |
| No health insurance | 12.8% |
| Visited doctor (checkup) | 72.8% |
| Visited dentist | 66.5% |
| Cholesterol screening | 89.6% |
| Teeth loss | 12.6% |
Veterans & disability
| Veterans | Count | % |
|---|---|---|
| Civilian veterans | 717 | 4.7% |
| Disability | % |
|---|---|
| Any disability | 10.0% |
| Under 18 | 1.0% |
| 18–64 years | 8.6% |
| 65 and over | 29.1% |
Health insurance coverage
| Type | % |
|---|---|
| Private insurance | 78.4% |
| Public insurance | 23.6% |
| No insurance | 6.5% |
| Uninsured under 19 | 0.0% |
Language & origin
Language spoken at home (age 5+)
| Language | Count | % |
|---|---|---|
| English only | 17,148 | 92.9% |
| Spanish | 187 | 1.1% |
| Other Indo-European | 74 | 0.4% |
| Asian & Pacific Islander | 37 | 0.2% |
| Other languages | 30 | 0.2% |
Place of birth & citizenship
| Origin | Count | % |
|---|---|---|
| Native born (US) | 17,688 | 95.8% |
| Born in same state | 17,493 | 94.8% |
| Born in different state | 9,115 | 49.4% |
| Foreign born | 195 | 1.1% |
| Naturalized citizen | 768 | 4.2% |
| Not a US citizen | 318 | 41.4% |
Ancestry
| Ancestry | Count | % |
|---|---|---|
| French | 2,922 | 15.8% |
| Italian | 2,284 | 12.4% |
| Arab | 1,207 | 6.5% |
| English | 266 | 1.4% |
| Polish | 163 | 0.9% |
| Ancestry | Count | % |
|---|---|---|
| Dutch | 69 | 0.4% |
| Irish | 55 | 0.3% |
| Norwegian | 27 | 0.1% |
| German | 17 | 0.1% |
Technology access
| Metric | % of households |
|---|---|
| Computer access | 46.9% |
| Internet access | 93.1% |
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 37405
What city is ZIP code 37405 in?
ZIP code 37405 is primarily assigned to Chattanooga, Tennessee.
What county is ZIP code 37405 in?
ZIP code 37405 falls within Hamilton County, Tennessee.
How educated is the population of ZIP code 37405?
52% of residents hold a bachelor's degree or higher — well above the national average of ~33%, reflecting a highly educated population.
What is the typical home value in ZIP code 37405?
The median home value in ZIP code 37405 is $374,400.
What is the population of ZIP code 37405?
ZIP code 37405 has an estimated population of 18,456 residents, with a density of 340 people per square mile.
What is the median household income in ZIP code 37405?
The median household income in ZIP code 37405 is $72,766, below the national median of ~$75,000.
What timezone is ZIP code 37405 in?
ZIP code 37405 observes the EST timezone.