Chattanooga, TN · standard
ZIP Code 37403
Hamilton County, Tennessee - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.
- 5,811
- 1,311/sq mi High-density area
- $81,136
- Median income Near-median income area
- $525,200
- Median home value Above-median home value
- 55.5%
- Bachelor's or higher Above-average bachelor's attainment
National ZIP placement
Chattanooga pairs an above-median household income with upper-quartile home values, in a low-density, renter-heavy area.
- Top 37%
- household income, US ZIPs
- Top 12%
- home value, US ZIPs
- 1,311
- people per sq mi
- 26%
- owner-occupied homes
Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 37403 against every reporting US ZIP.
ZIP code 37403 is a mid-sized community (a standard USPS delivery area) in Chattanooga, Hamilton County, Tennessee, home to 5,811 residents across 4.4 square miles, a density of 1,311 people per square mile, in the New York time zone.
ZIP 37403 lands in the middle-income range, with a median household income of $81,136 (22% above the average Tennessee ZIP), while per-capita income is $39,217. The poverty rate is 23.6%, so the area-level income figures should not be treated as typical household experience. Housing costs run above the statewide ZIP benchmark while renting is common: median home value is $525,200 (112% above the average Tennessee ZIP), with only 25.9% owner-occupied homes and median rent of $1,443.
This is a highly-educated ZIP: 55.5% of adults hold a bachelor's degree or higher, the median age is 21.2, and the average commute is -. The page also surfaces 10 ZIP codes within roughly 10 miles and 6 more in Hamilton County, so 37403 can be compared with both its immediate and county-level context.
Every figure on this page is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates (including median rent) and the FHFA House Price Index, no estimates, no proprietary scoring. Verify with Census →
Top industries in ZIP 37403
Top 5 sectors by establishment count in Chattanooga, TN
Which industries have the most business establishments in ZIP 37403.
- Health care and social assistance
Health care and social assistance
55 establishments
- Professional, scientific, and technical services
Professional, scientific, and technical services
51 establishments
- Accommodation and food services
Accommodation and food services
30 establishments
- Other services (except public administration)
Other services (except public administration)
30 establishments
- Information 21
Information
21 establishments
What this shows Establishment counts come from the Census ZIP Code Business Patterns program, which counts physical business locations rather than employees or revenue.
Source: U.S. Census Bureau, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + FHFA HPI ACS demographics and median rent, ZBP business establishments, FHFA HPI for ZIP 37403, Chattanooga, TN · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; FHFA HPI updated quarterly/annually.
Quick Facts
5,811
Population
4.4
Area (sq mi)
1,311
People / sq mi
New York
Time Zone
standard
ZIP Type
Who lives in ZIP 37403?
21.2
Median Age
47.7%
Male
52.3%
Female
1.7%
Foreign-Born
Hispanic or Latino is an ethnicity category from the Census Bureau and may overlap with other categories above.
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
How much do residents earn?
$81,136
Median Household Income
+22% vs state ZIP avg
$39,217
Per Capita Income
23.6%
Poverty Rate
4.6%
Unemployment Rate
How ZIP 37403 ranks among Tennessee ZIPs
Chattanooga, TN household income vs. every Tennessee ZIP code
Median household income among 593 reporting Tennessee ZIPs (this ZIP's population is too small for a reliable national-corpus placement)
$81,136 Top 21% higher than 79% of 593 Tennessee ZIPs
Each bar is a $20K-wide band; taller bars hold more Tennessee ZIPs. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.
Source U.S. Census Bureau, ACS 5-Year Estimates · 2019–2023
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What is the education profile here?
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What does housing look like?
Housing stock: occupied vs vacant
2,424housing units
2,424
Total Housing Units
1,990
Occupied Units
434
Vacant Units
1.64
Avg Household Size
Occupancy Type
$525,200
Median Home Value
+112% vs state ZIP avg
$1,443
Median Rent
1976
Median Year Built
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What businesses operate in this ZIP?
Census Bureau data shows 287 business establishments in ZIP 37403, employing approximately 10,200 people with a combined annual payroll of $791,718,000.
287
Businesses
10,200
Employees
$791.7M
Annual Payroll
16
Industry Sectors
| Industry | Establishments | % of Total |
|---|---|---|
| Health care and social assistance | 55 | 19.2% |
| Professional, scientific, and technical services | 51 | 17.8% |
| Accommodation and food services | 30 | 10.4% |
| Other services (except public administration) | 30 | 10.4% |
| Information | 21 | 7.3% |
| Finance and insurance | 21 | 7.3% |
| Retail trade | 16 | 5.6% |
| Real estate and rental and leasing | 15 | 5.2% |
| Administrative and support and waste management and remediation services | 15 | 5.2% |
| Wholesale trade | 9 | 3.1% |
| Arts, entertainment, and recreation | 6 | 2.1% |
| Construction | 5 | 1.7% |
| Utilities | 3 | 1.1% |
| Manufacturing | 3 | 1.1% |
| Transportation and warehousing | 3 | 1.1% |
| Management of companies and enterprises | 3 | 1.1% |
Source: U.S. Census Bureau, ZIP Code Business Patterns (ZBP), 2023. Employment figures may include noise for disclosure avoidance.
Nearby ZIP Codes
Want a side-by-side? Compare 37403 vs 37402 →
ZIP 37403 vs its nearest neighbors, by population
Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 37415
Chattanooga (37415)
23,873 residents
- 37411
Chattanooga (37411)
17,587 residents
- 37406
Chattanooga (37406)
14,627 residents
- 37404
Chattanooga (37404)
13,327 residents
- 37407 8,932
Chattanooga (37407)
8,932 residents
- 37403 5,811
Chattanooga (37403)
5,811 residents
- 37402 3,917
Chattanooga (37402)
3,917 residents
- 37410 3,886
Chattanooga (37410)
3,886 residents
- 37409 2,851
Chattanooga (37409)
2,851 residents
What this shows Among its immediate neighbors, ZIP 37403 ranks #6 by population - useful context the national average alone can't give.
ZIP 37403 vs its nearest neighbors, by median income
Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 37408
Chattanooga (37408)
$81,250 median income
- 37403
Chattanooga (37403)
$81,136 median income
- 37409
Chattanooga (37409)
$74,754 median income
- 37415
Chattanooga (37415)
$70,972 median income
- 37404
Chattanooga (37404)
$56,637 median income
- 37411
Chattanooga (37411)
$56,579 median income
- 37351
Lupton City (37351)
$50,250 median income
- 37406
Chattanooga (37406)
$44,850 median income
- 37407
Chattanooga (37407)
$35,845 median income
What this shows By household income, ZIP 37403 ranks #2 of 9 neighboring ZIPs, local affluence varies block to block, not just metro to metro.
| ZIP Code | City | Population | Distance |
|---|---|---|---|
| 37402 | Chattanooga, TN | 3,917 | 1.4 mi |
| 37408 | Chattanooga, TN | 1,486 | 1.5 mi |
| 37404 | Chattanooga, TN | 13,327 | 1.8 mi |
| 37407 | Chattanooga, TN | 8,932 | 3.2 mi |
| 37410 | Chattanooga, TN | 3,886 | 3.3 mi |
| 37406 | Chattanooga, TN | 14,627 | 3.2 mi |
| 37351 | Lupton City, TN | 390 | 4.1 mi |
| 37411 | Chattanooga, TN | 17,587 | 4.1 mi |
| 37415 | Chattanooga, TN | 23,873 | 5.6 mi |
| 37409 | Chattanooga, TN | 2,851 | 4.2 mi |
Nationwide ZIPs with similar ACS profiles
Two Census-derived peer sets for ZIP 37403, both outside TN so the neighborhoods are not geographic containment (Nearby and same-county blocks stay local).
Similar population
Nearest cross-state ZIPs by resident population (5,811 here; floor ≥1,000).
Similar median household income
Nearest cross-state ZIPs by ACS median household income.
More ZIP Codes in Hamilton County
Related Areas
Frequently Asked Questions
What county is ZIP code 37403 in?
ZIP code 37403 (Chattanooga) is located in Hamilton County, Tennessee. Hamilton County contains multiple ZIP codes, see the full list at /counties/hamilton-tn.
What is the population of ZIP code 37403?
ZIP code 37403 in Chattanooga, TN has a population of 5,811 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 37403?
The median household income in ZIP 37403 is $81,136, which is 6% above the national average of $76,288.
What is the average home value in ZIP 37403?
The median home value in ZIP 37403 is $525,200, which is 89% above the national average of $278,155.
What is the demographic makeup of ZIP 37403?
The largest racial group in ZIP 37403 is White at 74.1%. Hispanic or Latino residents make up 5.5% of the population.
How many businesses are in ZIP code 37403?
ZIP code 37403 has 287 business establishments employing approximately 10,200 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 37403?
The top industries by establishment count in ZIP 37403 are: Health care and social assistance (55), Professional, scientific, and technical services (51), Accommodation and food services (30). There are 16 industry sectors represented in total.
What is the education level in ZIP code 37403?
In ZIP code 37403, 69.0% of residents aged 25+ have a high school diploma or higher, and 55.5% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
What percentage of residents own vs. rent in ZIP 37403?
In ZIP code 37403, approximately 25.9% of occupied housing units are owner-occupied and 74.1% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 37403?
The poverty rate in ZIP code 37403 is 23.6% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.
Related
Take this with you
What to do with ZIP 37403's numbers, next.
- See how ZIP 37403 compares to a neighboring ZIP code on the same Census fields Compare this ZIP
- Check where Chattanooga, TN ranks among every U.S. ZIP code on income, education, or homeownership View national rankings
- Save this ZIP to your shortlist to track alongside others you're considering View your shortlist
ZIP Code Tabulation Areas (ZCTAs) are Census Bureau approximations of USPS ZIP codes; figures describe the ZCTA area, not any single address within it.