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CITY

Signal Mountain

Tennessee · 8,824 residents (2025 est.) · 8.37 sq mi
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Part of the Chattanooga metro area
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Notable rankings
#267Most educatedof 6,82672.8%
The short version

Signal Mountain is significantly wealthier than the US average, with a median household income of $141,008. Population has grown 19% since 2000. 73% of adults hold a bachelor's degree or higher, well above the national rate of 36%. Median home value has roughly tripled since 2000, reaching $544,300. With a median age of 44.3, the population is older than the US median of 38.9. It ranks in the top 5% of US cities for household income.

At a glance
Wealthier
above the US median
US median: $82,259
Older
median age 44.3
US median: 38.9
More educated
73% hold a bachelor's degree
US average: 36%
Less affordable
home values up 66%, inflation adjusted
US median home: $376,019
Section 01

Population & growth

Total population
8,860
+19%since 2000
from 7,429 in 2000
1990 – 2025
Population density
1,059 / sq mi
+22%since 2009
from 865 / sq mi in 2009
US average: 281
Median age
44.3
+2%since 2000
from 43.6 in 2000
US average: 38.9

PEP 2025 EST:8,824 residents (Census Bureau Vintage 2025, released March 2026)

Population, 1990 – 2024
7K7K8K8K9K1990201020202024Signal Mountain
20249K
1990201020202024
Age distribution, 2024
Under 53.2%(285)
US avg: 5.6%
5 to 910.2%(900)
US avg: 6%
10 to 1410.7%(945)
US avg: 6.4%
15 to 195.4%(477)
US avg: 6.6%
20 to 241.4%(127)
US avg: 6.5%
25 to 343.8%(338)
US avg: 13.7%
35 to 4416.1%(1,429)
US avg: 13.2%
45 to 5412.1%(1,075)
US avg: 12.2%
55 to 6412.4%(1,103)
US avg: 12.7%
65 to 7412.5%(1,107)
US avg: 10.2%
75 to 845.7%(506)
US avg: 5.1%
85 and over6.4%(568)
US avg: 1.9%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 02

Income & economy

Median household income
$141,008
+16%inflation adjusted, since 2000
from $66,900 in 2000
US average: $82,259
1990 – 2024
Per capita income
$80,244
+116%since 2000
from $37,134 in 2000
US average: $44,673
Households earning $100K+
74.9%
+22.5 ptssince 2009
from 52.4% in 2009
US average: 53.3%
Poverty rate
3.3%
−0.1 ptssince 2000
from 3.4% in 2000
US average: 12.5%
Income inequality (Gini)
0.486
+1%since 2010
from 0.483 in 2010
US average: 0.476
Workforce by industry, 2024
Other services14.5%
US avg: 6.7%
Public administration11.5%
US avg: 4.8%
Retail trade11.3%
US avg: 9.9%
Transportation & warehousing4.5%
US avg: 2.2%
Finance & insurance4.4%
US avg: 5.9%
Education & health services4.4%
US avg: 0.9%
Information3.5%
US avg: 10.8%
Wholesale trade3.5%
US avg: 6.9%
Arts, entertainment, food0.5%
US avg: 1.9%
Agriculture, forestry, fishing0%
US avg: 1.6%
Construction0%
US avg: 1.2%
Manufacturing0%
US avg: 0.4%
Professional, scientific, technical0%
US avg: 5.1%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 03

Housing

Median home value
$544,300
+66%inflation adjusted, since 2000
from $180,500 in 2000
US average: $376,019
1990 – 2024
Median gross rent
$1,852
−7%inflation adjusted, since 2000
from $1,088 in 2000
US average: $1,442
Owner-occupied
87.9%
+7.0 ptssince 2000
from 80.8% in 2000
12.1% rent
Vacancy rate
2.3%
−5.7 ptssince 2009
from 7.9% in 2009
US average: 10.0%
Owner cost-burdened
9.2%
−16.6 ptssince 2009
from 25.8% in 2009
US average: 22.9%
Renter cost-burdened
45.8%
+0.8 ptssince 2009
from 45.0% in 2009
US average: 47.4%
Afford Score
3.9
+14%since 2009
from 3.4 in 2009
2009 – 2024
Our index: median home value divided by median household income. Lower is more affordable.
Gentrification Score
74
Our index, 0 to 100. Higher means faster recent growth in incomes, home values, and college degrees.
RELATED:See current rent listings in Signal Mountain on RentDataNow
Section 04

Race & ethnicity

2000
White, non-Hispanic97.8%(7,263)
Black0.2%(16)
Hispanic / Latino0.8%(63)
Asian0.3%(26)
Other0%
2024
White, non-Hispanic92.8%(8,226)
Black0.6%(57)
Hispanic / Latino1.2%(103)
Asian1.2%(104)
Other4.2%(370)
Diversity Score
17
+497%since 2009
from 3 in 2009
2009 – 2024
Our index, 0 to 100. Higher means a more even mix of racial and ethnic groups.
Section 04 · Origins

Detailed origins & ancestry

Hispanic origin
Honduran0.2%(19)
Mexican0.1%(12)
Asian origin
Kazakh0.7%(59)
Asian Indian0.4%(38)
Chinese0.1%(7)
Pacific Islander origin
Ancestry
English25.3%(2,243)
German20.7%(1,832)
Irish15.3%(1,354)
French7.5%(662)
Scottish4.8%(426)
Scotch-Irish4.3%(382)
Italian3.8%(333)
American3.5%(308)
Polish2%(175)
British1.8%(157)
Swedish1.6%(140)
Welsh1.6%(138)
+ 14 more ancestry groups with data
Dutch1.5%(135)
Iranian1%(91)
Swiss0.9%(77)
Russian0.5%(46)
Norwegian0.4%(39)
Ethiopian0.4%(38)
Hungarian0.4%(32)
West Indian0.3%(30)
Lithuanian0.2%(20)
Slovak0.2%(20)
Romanian0.2%(18)
Canadian0.2%(14)
RANKED:Largest English population · Largest German population · Largest Irish population · Largest French population · Largest Scottish population
Section 05

Education

Bachelor's degree or higher
72.8%
+8.3 ptssince 2000
from 64.5% in 2000
US average: 35.6%
High school or higher
99.4%
+3.5 ptssince 2000
from 95.9% in 2000
US average: 89.6%
Graduate degree
32.6%
+7.8 ptssince 2000
from 24.8% in 2000
US average: 14.0%
Section 06

Commute & transportation

Average commute
27.5 min
+84%since 2000
from 15.0 min in 2000
US average: 26.5
Drive alone to work
70.0%
−16.7 ptssince 2009
from 86.7% in 2009
US average: 68.9%
Carpooled to work
1.8%
−6.3 ptssince 2009
from 8.1% in 2009
US average: 8.5%
Public transit
0.0%
Unchangedsince 2009
from 0.0% in 2009
US average: 3.2%
Worked from home
26.1%
+21.9 ptssince 2009
from 4.2% in 2009
US average: 15.0%
Walked to work
2.2%
+2.2 ptssince 2009
from 0.0% in 2009
US average: 2.4%
Biked to work
0.0%
Unchangedsince 2009
from 0.0% in 2009
US average: 0.4%
No vehicle available
2.9%
−0.3 ptssince 2009
from 3.2% in 2009
US average: 8.3%
Section 07

Work & employment

Unemployment rate
2.4%
+1.9 ptssince 2011
from 0.5% in 2011
US average: 5.2%
Labor force participation
56.1%
−2.6 ptssince 2011
from 58.7% in 2011
US average: 63.5%
Self-employed
12.5%
−4.3 ptssince 2009
from 16.8% in 2009
US average: 13.1%
Management & professional
69.9%
−9.9 ptssince 2009
from 79.8% in 2009
US average: 42.5%
Section 08

People & community

Male
47.5%
+3.0 ptssince 2009
from 44.5% in 2009
Female
52.5%
−3.0 ptssince 2009
from 55.5% in 2009
Foreign born
2.8%
−1.6 ptssince 2009
from 4.3% in 2009
US average: 14.1%
Veterans
6.6%
−37.6 ptssince 2009
from 44.2% in 2009
US average: 6.2%
With a disability
7.8%
+0.6 ptssince 2012
from 7.2% in 2012
US average: 13.3%
Uninsured
1.7%
−93.9 ptssince 2013
from 95.6% in 2013
US average: 8.4%
Broadband at home
92.7%
+0.6 ptssince 2017
from 92.1% in 2017
US average: 91.0%
English only at home
97.3%
−1.3 ptssince 2016
from 98.5% in 2016
US average: 77.7%
Spanish at home
1.0%
+0.7 ptssince 2016
from 0.3% in 2016
US average: 13.6%
Marital status
Men 15+
Never married12.7%(389)
Married78.6%(2,406)
Widowed4.2%(129)
Divorced4.5%(139)
Women 15+
Never married13.7%(504)
Married65.2%(2,390)
Widowed12.2%(449)
Divorced8.8%(324)
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2024
Drill deeper

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Head to head

Compare Signal Mountain to nearby cities

SIGNAL MOUNTAIN VS
Red Bank
Income$63,983−55%
Home value$269,400−51%
Population12,405+41%
SEE FULL COMPARISON →
SIGNAL MOUNTAIN VS
Chattanooga
Income$64,523−54%
Home value$283,200−48%
Population194,144+2100%
SEE FULL COMPARISON →
SIGNAL MOUNTAIN VS
Middle Valley
Income$95,000−33%
Home value$319,400−41%
Population12,187+38%
SEE FULL COMPARISON →
SIGNAL MOUNTAIN VS
Harrison
Income$89,395−37%
Home value$307,400−44%
Population8,011−9%
SEE FULL COMPARISON →
Frequently asked

How many people live in Signal Mountain, Tennessee?

Signal Mountain, Tennessee has about 8,860 residents according to the 2024 American Community Survey.

What is the median household income in Signal Mountain, Tennessee?

The typical household in Signal Mountain, Tennessee earns about $141,008 a year. Half of households make more than that, and half make less.

Is Signal Mountain, Tennessee expensive?

In Signal Mountain, Tennessee, the median home is worth about $544,300, and the typical rent is about $1,852 a month.

How educated are people in Signal Mountain, Tennessee?

About 72.8% of adults age 25 and over in Signal Mountain, Tennessee hold a bachelor's degree or higher.

What is the poverty rate in Signal Mountain, Tennessee?

About 3.3% of people in Signal Mountain, Tennessee live below the federal poverty line.

Has Signal Mountain, Tennessee grown since 1990?

Yes, Signal Mountain, Tennessee has grown since 1990. The population has added about 1,826 residents, a change of about 26 percent over that period.

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DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024

How we source and harmonize this data →