Signal Mountain, TN · standard
ZIP Code 37377
Hamilton County, Tennessee - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.
- 15,310
- 79/sq mi Moderate-density area
- $119,636
- Median income Above-median income area
- $529,500
- Median home value Above-median home value
- 59.0%
- Bachelor's or higher Above-average bachelor's attainment
National ZIP placement
Signal Mountain pairs a top-decile household income with upper-quartile home values, in a rural, homeowner-dominated area.
- Top 10%
- household income, US ZIPs
- Top 12%
- home value, US ZIPs
- 79
- people per sq mi
- 86%
- owner-occupied homes
Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 37377 against every reporting US ZIP.
FHFA HPI release change
What changed in the latest House Price Index year
- FHFA House Price Index values in ZIP 37377 (Signal Mountain, TN) rose +5.4% from 2023 to 2024. The all-transactions index moved from 287.7 in 2023 to 303.2 in 2024 (2000 = 100).
ZIP code 37377 is a mid-sized community (a standard USPS delivery area) in Signal Mountain, Hamilton County, Tennessee, home to 15,310 residents across 193.3 square miles, a density of 79 people per square mile, in the Chicago time zone.
ZIP 37377 skews affluent, with a median household income of $119,636 (80% above the average Tennessee ZIP), while per-capita income is $68,322. Both reported hardship measures are comparatively low in absolute terms: poverty is 5.2% and unemployment is 2.8%. Housing is both higher-cost and owner-heavy: median home value is $529,500 (114% above the average Tennessee ZIP), while 85.9% of occupied homes are owner-occupied and median rent is $1,614.
This is a highly-educated ZIP: 59.0% of adults hold a bachelor's degree or higher, the median age is 45, and the average commute is 28 minutes. The page also surfaces 5 ZIP codes within roughly 10 miles and 6 more in Hamilton County, so 37377 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 37377
Top 5 sectors by establishment count in Signal Mountain, TN
Which industries have the most business establishments in ZIP 37377.
- Health care and social assistance
Health care and social assistance
31 establishments
- Other services (except public administration)
Other services (except public administration)
29 establishments
- Construction
Construction
25 establishments
- Administrative and support and waste management and remediation services
Administrative and support and waste management and remediation services
25 establishments
- Professional, scientific, and technical services
Professional, scientific, and technical services
24 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 37377, Signal Mountain, 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
15,310
Population
193.3
Area (sq mi)
79
People / sq mi
Chicago
Time Zone
standard
ZIP Type
Who lives in ZIP 37377?
45.0
Median Age
48.2%
Male
51.8%
Female
2.4%
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?
$119,636
Median Household Income
+80% vs state ZIP avg
$68,322
Per Capita Income
5.2%
Poverty Rate
2.8%
Unemployment Rate
27.9 min
Mean Commute Time
How ZIP 37377 ranks among Tennessee ZIPs
Signal Mountain, 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)
$119,636 Top 4% higher than 96% 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
6,762housing units
6,762
Total Housing Units
6,406
Occupied Units
356
Vacant Units
2.65
Avg Household Size
Occupancy Type
$529,500
Median Home Value
+114% vs state ZIP avg
$1,614
Median Rent
1983
Median Year Built
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
How have home values changed over time?
FHFA House Price Index, annual appreciation data based on repeat sales and appraisals
+5.4%
YoY Change (2024)
303
HPI Index (2000 = 100)
+203%
Total Change Since 2000
Home values in ZIP 37377 have increased 5.4% over the past year (2024). Since 2000, this ZIP has seen +203% cumulative appreciation.
| Year | Annual Change | HPI Index |
|---|---|---|
| 2020 | +5.0% | 188 |
| 2021 | +12.4% | 211 |
| 2022 | +18.8% | 251 |
| 2023 | +14.8% | 288 |
| 2024 | +5.4% | 303 |
Source: Federal Housing Finance Agency (FHFA) House Price Index, All-Transactions, Five-Digit ZIP Codes (Developmental Index). Index base = 100 in year 2000. Data through 2024. ZIP codes with few transactions may show missing values.
What businesses operate in this ZIP?
Census Bureau data shows 236 business establishments in ZIP 37377, employing approximately 1,828 people with a combined annual payroll of $64,897,000.
236
Businesses
1,828
Employees
$64.9M
Annual Payroll
14
Industry Sectors
| Industry | Establishments | % of Total |
|---|---|---|
| Health care and social assistance | 31 | 13.1% |
| Other services (except public administration) | 29 | 12.3% |
| Construction | 25 | 10.6% |
| Administrative and support and waste management and remediation services | 25 | 10.6% |
| Professional, scientific, and technical services | 24 | 10.2% |
| Retail trade | 22 | 9.3% |
| Accommodation and food services | 17 | 7.2% |
| Finance and insurance | 13 | 5.5% |
| Real estate and rental and leasing | 13 | 5.5% |
| Wholesale trade | 10 | 4.2% |
| Educational services | 9 | 3.8% |
| Arts, entertainment, and recreation | 7 | 3.0% |
| Manufacturing | 4 | 1.7% |
| Management of companies and enterprises | 3 | 1.3% |
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 37377 vs 37415 →
ZIP 37377 vs its nearest neighbors, by population
Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 37343
Hixson (37343)
40,042 residents
- 37415
Chattanooga (37415)
23,873 residents
- 37377 15,310
Signal Mountain (37377)
15,310 residents
- 37406 14,627
Chattanooga (37406)
14,627 residents
- 37405 14,597
Chattanooga (37405)
14,597 residents
- 37351 390
Lupton City (37351)
390 residents
What this shows Among its immediate neighbors, ZIP 37377 ranks #3 by population - useful context the national average alone can't give.
ZIP 37377 vs its nearest neighbors, by median income
Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 37377
Signal Mountain (37377)
$119,636 median income
- 37343
Hixson (37343)
$82,227 median income
- 37405
Chattanooga (37405)
$81,337 median income
- 37415
Chattanooga (37415)
$70,972 median income
- 37351
Lupton City (37351)
$50,250 median income
- 37406 $44,850
Chattanooga (37406)
$44,850 median income
What this shows By household income, ZIP 37377 ranks the highest of 6 neighboring ZIPs, local affluence varies block to block, not just metro to metro.
Nationwide ZIPs with similar ACS profiles
Two Census-derived peer sets for ZIP 37377, 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 (15,310 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 37377 in?
ZIP code 37377 (Signal Mountain) 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 37377?
ZIP code 37377 in Signal Mountain, TN has a population of 15,310 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 37377?
The median household income in ZIP 37377 is $119,636, which is 57% above the national average of $76,288.
What is the average home value in ZIP 37377?
The median home value in ZIP 37377 is $529,500, which is 90% above the national average of $278,155.
What is the demographic makeup of ZIP 37377?
The largest racial group in ZIP 37377 is White at 91.3%. Hispanic or Latino residents make up 1.9% of the population.
How many businesses are in ZIP code 37377?
ZIP code 37377 has 236 business establishments employing approximately 1,828 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 37377?
The top industries by establishment count in ZIP 37377 are: Health care and social assistance (31), Other services (except public administration) (29), Construction (25). There are 14 industry sectors represented in total.
How have home values changed in ZIP code 37377?
According to the FHFA House Price Index, home values in ZIP 37377 increased by 5.4% in 2024. Since 2000, home values in this ZIP have appreciated by approximately 203%. This is a developmental index based on repeat sales and appraisal data from Fannie Mae and Freddie Mac.
What is the education level in ZIP code 37377?
In ZIP code 37377, 72.7% of residents aged 25+ have a high school diploma or higher, and 59.0% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
What is the average commute time in ZIP 37377?
The mean commute time for workers in ZIP code 37377 is 27.9 minutes according to Census ACS data. The national average is roughly 26 minutes, so commuters here spend more time traveling to work than typical.
What percentage of residents own vs. rent in ZIP 37377?
In ZIP code 37377, approximately 85.9% of occupied housing units are owner-occupied and 14.1% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 37377?
The poverty rate in ZIP code 37377 is 5.2% 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 37377's numbers, next.
- See how ZIP 37377 compares to a neighboring ZIP code on the same Census fields Compare this ZIP
- Check where Signal Mountain, 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.