Signal Mountain, TN demographics:
population, income, and more

Total population
8,860
-0.0% year-over-year change
Median household income
$141,008/yr
0.9% year-over-year change
Housing units
3,429
0.2% year-over-year change

Signal Mountain population

How many people live in Signal Mountain

Signal Mountain is home to 8,860 residents, according to the most recent Census data. Gender-wise, 47.5% of Signal Mountain locals are male, and 52.5% are female.

Total population
8,860
-0.0% year-over-year change
Gender ratio
Male
47.5%
4,209
Female
52.5%
4,651
Value Percent YoY change
Male 4,209 47.5% -4.2%
Female 4,651 52.5% 4.1%
A higher population often means more rental variety and livelier areas. The gender balance—how many men live here compared to women—can reveal a lot about the community and the lifestyles of its residents. Use this info to get a sense of the area's pace and personality.

Age demographics

The median age in Signal Mountain is 44, with the population distributed as follows: about 24% are children under 15, then 6.8% are in the 15 to 24 age group. Adults between 25 and 44 make up 19.9% of the population, while another 24.6% fall into the 45 to 64 bracket. Finally, around 24.6% are 65 or older.

Median age
44.3
Age breakdown
Under 15
24%
15 to 24
6.8%
25 to 44
19.9%
45 to 64
24.6%
Over 65
24.6%
Value Percent YoY change
Under 15 2,130 24% -3.8%
15 to 24 604 6.8% 0.8%
25 to 44 1,767 19.9% -5.2%
45 to 64 2,178 24.6% 8.8%
Over 65 2,181 24.6% -0.1%
The age composition helps you get insight into who lives in the area. A younger population might mean a more active, fast-paced vibe, while an older one could suggest a quieter, slower lifestyle. If there's a balanced makeup, you’re likely to find a variety of services, housing types, and community spaces that cater to different life stages.

Racial makeup

In Signal Mountain, 96.5% of the population are US-born citizens, while 2.9% have gained naturalized citizenship. At the same time, 0.5% of residents are non-citizens. As for race, 93% of locals are Caucasian, 0.6% are African American and 1.2% have Asian roots. There’s also a share of 4.6% that includes residents with two or more races.

Citizenship
U.S.-born citizens
96.5%
Non-U.S.-born citizens
2.9%
Non-citizens
0.5%
Value Percent YoY change
U.S.-born citizens 8,553 96.5% -0.8%
Non-U.S.-born citizens 260 2.9% 22.6%
Non-citizens 47 0.5% 67.9%
Racial breakdown
White
93%
Black or African American
0.6%
American Indian and Alaska Native
0%
Asian
1.2%
Native Hawaiian and other Pacific Islander
0%
Two or more races
4.6%
Other
0.6%
Value Percent
White 8,238 93%
Black or African American 57 0.6%
Asian 104 1.2%
Two or more races 412 4.6%
Other 49 0.6%

Households in Signal Mountain

A peek inside Signal Mountain households

Signal Mountain has 3,351 households, with an average of 3 members in each. Of these, 73.2% are families, while the remaining 26.8% are made up of individuals living alone or with non-relatives, such as roommates.

Households stats

Total households
3,351
1.7% year-over-year change
Average people per household
3
Non-family households
899
Family households
2,452
Value Percent YoY change
Non-family households 899 26.8% 4.4%
Family households 2,452 73.2% 0.8%
The mix between family and non-family households gives a glimpse into daily life. A higher percentage of families might mean more parks and schools, while more non-family setups can mean flexible housing and diverse living styles. For renters, this can signal what kinds of homes are common and can help you figure out if the area matches your lifestyle.

Housing in Signal Mountain

The housing landscape of Signal Mountain

Signal Mountain's housing consists of 3,429 units, with 89.5% being detached single-family homes ideal for those wanting space. Attached options, including duplexes and townhouses, make up 1.3% and offer a more compact, shared living style.

Housing units
3,429
0.2% year-over-year change
Housing types
Value Percent
1 unit, detached 3,070 89.5%
1 unit, attached 46 1.3%
2 units 36 1%
3 or 4 units 13 0.4%
5 to 9 units 37 1.1%
20 to 49 units 65 1.9%
50 or more units 162 4.7%
Homes built since 2020
7
-22.2% year-over-year change

The age of buildings in Signal Mountain

In Signal Mountain, the median construction year is 1977. About 6% of homes were built before the 1940s, with another 3.9% going up by 1949. Most development happened in the second half of the 20th century. Then, 6.7% of homes were added from 2000 to 2009, 7.5% between 2010 and 2019, and 0.2% are part of the newest wave of development.

Construction year breakdown by decade
Value Percent YoY change
Built in 1939 or earlier 207 6% -27.6%
Built between 1940 and 1949 135 3.9% -11.8%
Built between 1950 and 1959 427 12.4% -14.3%
Built between 1960 and 1969 612 17.8% 26.2%
Built between 1970 and 1979 470 13.7% -2.5%
Built between 1980 and 1989 745 21.7% 15.9%
Built between 1990 and 1999 341 9.9% 16.8%
Built between 2000 and 2009 229 6.7% -21.8%
Built between 2010 and 2019 256 7.5% -9.2%
Built in 2020 or later 7 0.2% -22.2%
As a renter, knowing when homes were built helps you understand the potential condition and design of rental units. Newer builds may have more contemporary layouts, while older homes can offer character or larger lots, depending on the area.

Signal Mountain occupancy rates

Out of the 3,351 occupied housing units in Signal Mountain, 87.9% are owner-occupied, while 12.1% are lived in by tenants. Meanwhile, 2.3% of all homes on the local market sit vacant.

Occupied housing units
3,351
1.7% year-over-year change
Occupancy breakdown
Renter occupied
406
Owner occupied
2,945
Value Percent YoY
change
Renter occupied 406 12.1% 20.1%
Owner occupied 2,945 87.9% -0.4%
Unoccupied housing units
2.3%
Unoccupied housing units refer to homes that are currently without residents—whether they're waiting for renters or owners, used seasonally, or simply unclaimed. A higher share of empty homes may mean more housing availability, while a low number can reflect a tighter market with more competition. This, along with the renter-vs.-owner mix, helps paint a clearer picture of what types of housing and services are likely to be available in the area.

Signal Mountain housing costs

Housing costs in Signal Mountain come to a median of $1,636 per month, while tenants specifically pay a median gross rent of $1,852.

Median housing costs per month
$1,636/month
This figure sums up typical monthly housing costs for all households in the area. If you own, it includes mortgage payments in addition to property taxes, insurance and HOA fees. If you rent, it accounts for rent plus extras like utilities. It’s useful for seeing how local living expenses stack up compared to other places.
Median gross rent in Signal Mountain
$1,852/month
Gross rent gives a more complete look at what renters actually pay, including not just base rent, but also utilities and fees. It’s a key number for evaluating rental affordability in your area of interest and understanding how it compares to nearby locations.

Education in Signal Mountain

Signal Mountain education at a glance

About 10.2% of the population in Signal Mountain went to high school, while 15.3% pursued college studies. Another 4.9% earned an associate degree and 38.5% hold a bachelor’s. Meanwhile, 31.1% went even further, earning a master’s or doctorate.

Education level
Value Percent YoY change
High school diploma 658 10.2% 10.0%
College diploma 983 15.3% 2.8%
Associate degree 313 4.9% -5.2%
Bachelor's degree 2,479 38.5% 3.3%
Graduate degree 2,000 31.1% -3.9%
A community’s education mix can offer insights into the local economy and housing market. Higher levels of education often align with more job opportunities and stable incomes, which can increase demand for homes and influence both rent prices and rental availability.

Income in Signal Mountain

How much people earn in Signal Mountain

The average annual household income in Signal Mountain was $211,193 in 2024, the most recent annual data available, according to the U.S. Census Bureau. This marked a +3.3% change from the previous year. At the same time, the median income stood at $141,008, reflecting a +0.9% shift over the same period.

Average household income in Signal Mountain
$211,193/year
3.3% year-over-year change
Median household income in Signal Mountain
$141,008/year
0.9% year-over-year change

Signal Mountain income by age

In Signal Mountain, households led by residents aged 25 to 44 — usually in the early to mid stages of their careers — have a median income of $200,563. Those with someone between 45 and 64 in charge, often well established professionally, earn $232,168 overall. Overall, 96.7% of the locals in this community live above the poverty line.

Income breakdown by age
Value YoY change
25 - 44 $200,563 18.2%
45 - 64 $232,168 11.8%
Over 65 $78,875 -4.2%
Above poverty level
8,390
Below poverty level
290
Value Percent YoY
change
Above poverty level 8,390 96.7% -0.7%
Below poverty level 290 3.3% 25.0%

Average renter income in Signal Mountain

To get a better sense of what renters earn on average in Signal Mountain, their median household income was $78,533 according to 2022 Census data. In addition, the rent-to-income ratio in the area, at 28.3%, shows what portion of their earnings goes toward housing expenses.

Renter median household income
$78,533
Rent-to-income ratio
28.3%
Understanding the rent-to-income ratio can help renters gauge if local housing costs align with their earnings. A ratio under 30% usually signals affordability, while exceeding this mark means rent is taking a larger-than-recommended bite out of income. That could make it harder for you to cover other costs like transportation, healthcare, or child care.

Employment in Signal Mountain

Workforce and job types in Signal Mountain

The job market in Signal Mountain is powered by 3,639 working residents, spread across a range of industries and roles. 94.3% of the working population are employed in professional or administrative positions, while 5.7% are in hands-on or service-based jobs. Also, 13.4% run their own businesses, 57.1% are employed by private companies, and 16% work in the public sector.

Workforce demographics

Working population
3,639
0.6% year-over-year change
White collar
3,433
Blue collar
206
Value Percent YoY change
White collar 3,433 94.3% -0.6%
Blue collar 206 5.7% 25.6%
Employer type
Self employees
13.4%
Private companies
57.1%
Governmental workers
16%
Not for profit companies
13.4%
Value Percent YoY change
Self employees 489 13.4% 10.4%
Private companies 2,078 57.1% -2.9%
Governmental workers 583 16% -7.6%
Not for profit companies 489 13.4% 21.6%
Unemployment rate
2.4%
15.6% year-over-year change

Available workforce

The unemployment rate in Signal Mountain stands at 2.4%, representing the share of the workforce currently without a job and actively looking for one.

For renters, the unemployment rate helps paint a picture of job security and financial stability in the area. Rates around 4% to 5% are considered typical. A lower-than-average rate might suggest strong job prospects and a thriving local economy, while a higher rate could hint at fewer opportunities—both useful to consider when planning a move.

Transportation in Signal Mountain

How people get around in Signal Mountain

Commuting methods vary: 71.7% of residents travel by personal vehicle and 2.2% prefer to walk, while the remaining share relies on public transit or on two wheelers to get from A to B.

Means of transportation
Value Percent YoY change
Car 2,610 71.7% -1.2%
Walk 80 2.2% 15.9%
Understanding how locals get to work can help you plan your own routine. High car usage might mean you’ll need a vehicle, while strong public transit or walkability could save you the hassle. Commute times also play a big role in quality of life—shorter trips can give you more time for the things you enjoy.

What is the median and average household income in Signal Mountain by zipcode?

Zipcode Population Number of households Median income Average income
37377 17,188 6,406 $119,636 $182,081
37405 18,109 8,620 $81,337 $148,162
37419 5,980 2,797 $74,787 $108,203

Find your place

Explore more communities

FAQs about Signal Mountain demographics 

What is the total population of Signal Mountain?

Signal Mountain has a total population of 8,860 residents, according to the latest release from the U.S. Census Bureau: the 2019-2023 American Community Survey (ACS) 5-year estimates. This figure changed by -0.0% compared to a year ago.

What is the gender ratio in Signal Mountain?

The gender ratio in Signal Mountain is as follows:
  • 47.5% males (4,209 residents)
  • 52.5% females (4,651 residents)

What is the median age in Signal Mountain?

The median age in Signal Mountain is 44.3.

What is the age distribution of the population in Signal Mountain?

The age distribution in Signal Mountain is as follows:
  • Under 15: 24% (2,130 residents)
  • Ages 15-24: 6.8% (604 residents)
  • Ages 25-44: 19.9% (1,767 residents)
  • Ages 45-64: 24.6% (2,178 residents)
  • Over 65: 24.6% (2,181 residents)

What is the racial and ethnic makeup of Signal Mountain?

The racial and ethnic makeup of Signal Mountain is as follows:
  • White: 93% (8,238 residents)
  • Black or African American: 0.6% (57 residents)
  • American Indian and Alaska Native: 0% (0 residents)
  • Asian: 1.2% (104 residents)
  • Native Hawaiian and Other Pacific Islander: 0% (0 residents)
  • Two or More Races: 4.6% (412 residents)
  • Other: 0.6% (49 residents)

What percentage of the population in Signal Mountain are U.S.-born citizens?

U.S.-born citizens represent 96.5% of the population in Signal Mountain.

How many housing units are there in Signal Mountain?

There are 3,429 housing units in Signal Mountain, reflecting a +0.2% change compared to the previous year, according to the latest data from the U.S. Census Bureau.

How many households are in Signal Mountain and what is the average household size?

Signal Mountain has a total of 3,351 households, with an average of 3 people in each.

What is the median household income in Signal Mountain?

Signal Mountain has a median household income of $141,008, representing a +0.9% shift from the previous year, according to the U.S. Census Bureau.

What is the employment rate and job market overview for Signal Mountain?

The employment rate is 97.6% in Signal Mountain, with a workforce of 3,639 residents. Here’s a detailed breakdown of the local job market:

Job types:
  • White-collar workers: 94.3% (3,433 residents)
  • Blue-collar workers: 5.7% (206 residents)

Places of employment:
  • Self-employed: 13.4% (489 residents)
  • Private companies: 57.1% (2,078 residents)
  • Governmental workers: 16% (583 residents)
  • Not-for-profit companies: 13.4% (489 residents)

Data source & methodology

The demographic data on this page was sourced from the latest U.S. Census Bureau release—the 2019–2023 American Community Survey (ACS) 5-year estimates.

The information, issued annually, is compiled and published by the Point2Homes Research Team as soon as new data becomes available.

No representation, guarantee, or warranty is made concerning the accuracy or completeness of modified or aggregated information for particular areas.

Page last updated: September 2025