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2026 Compare Cities People:
St. Augustine, FL vs Signal Mountain, TN

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Highlights
- Signal Mountain is 0% more densely populated than St. Augustine.
- People are 86.3% more likely to be married in Signal Mountain.
- The Median Age is 2.3 years younger in Signal Mountain.
 St. Augustine, FLSignal Mountain, TNUnited States
 Population  Unlock8,770329,725,481
 Female Population56.3%  Unlock50.5%
 Male Population43.7%  Unlock49.5%
 Median Age  Unlock43.938.4
 space3
 Population - 201013,062  Unlock309,327,143
 Population - 2000  Unlock7,429285,036,114
 Population - 199011,692  Unlock251,960,433
 Pop. 2000 to Now  Unlock16.3%15.6%
 Pop. 1990 to Now41.3%  Unlock30.8%
 space4
 Population Density  Unlock1,049.693.4
 Land Area9.5  Unlock3,531,905.4
 Water Area  Unlock0.0264,836.8
 space
 Est. Total Population By Age
 St. Augustine, FLSignal Mountain, TNUnited States
 Age 0 to 41.3%  Unlock5.9%
 Age 5 to 9  Unlock10.3%6.1%
 Age 10 to 142.1%  Unlock6.6%
 Age 15 to 17  Unlock4.1%3.9%
 Age 18 to 2011.0%  Unlock4.0%
 Age 21 to 24  Unlock0.8%5.2%
 Age 25 to 3413.8%  Unlock13.8%
 Age 35 to 44  Unlock14.4%12.9%
 Age 45 to 5410.3%  Unlock12.6%
 Age 55 to 59  Unlock4.5%6.7%
 Age 60 to 647.7%  Unlock6.3%
 Age 65 to 74  Unlock11.7%9.6%
 Age 75 to 845.9%  Unlock4.5%
 Age 85 and over  Unlock5.4%1.9%
 space1
 Race
 St. Augustine, FLSignal Mountain, TNUnited States
 White81.2%  Unlock59.4%
 Black  Unlock0.3%12.2%
 Asian1.4%  Unlock5.6%
 Native American  Unlock0.0%0.6%
 Hawaiian, Pacific Islander0.1%  Unlock0.2%
 Other  Unlock0.2%0.4%
 Two or More Races3.5%  Unlock3.2%
 Hispanic  Unlock0.5%18.4%
 space2
 Marriage & Family
 St. Augustine, FLSignal Mountain, TNUnited States
 Married Population37.6%  Unlock49.8%
     Currently Married  Unlock69.4%48.0%
 Married but Separated1.4%  Unlock1.8%
 Single Population  Unlock30.0%50.2%
 Never Married42.2%  Unlock33.8%
 Divorced  Unlock8.4%10.8%
 Widowed7.6%  Unlock5.6%
 space5
 Household Size  Unlock2.582.60
 Households5,538  Unlock124,010,992
 Family Households  Unlock2,45680,755,759
     Married couple, w/children13.0%  Unlock30.5%
     Married couple, no children  Unlock47.1%42.9%
 Non Family Households2,812  Unlock43,255,233
     Single householder, w/children  Unlock6.3%15.8%
     Single householder, no children12.4%  Unlock10.8%
Voting
Reviews for St. Augustine    25 Reviews
Carol · Elkton, FL
Don't move here!!!
Over 2 years ago

I have lived her for 19 years and cannot leave for various reasons but would if I could. When we first moved here it was quiet, affordable and had good restaurant  More

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William · Manitou Springs, CO
Losing Its Charm
Over 5 years ago

Great area, but in decline due to the number of tristate refugees who are moving here in droves and ruining a once charming area just like they have done in South  More

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Don · Saint Augustine, FL
Over crowded
Over 5 years ago

Completely overcrowded place to live. It takes 40 min to go 4 miles. Don't live  More

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Reviews for Signal Mountain    3 Reviews
David · Chattanooga, TN
Mayberry in a way
Over 6 years ago

Safe, totally non diverse though (99% white), schools are ok but most people here use private schools anyway which tells you that this is an exclusive place in general  More

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Herb · Signal Mountain, TN
Still a Great Place After 21 Years
Over 14 years ago

We have had a great experience in Signal Mountain, people have been very polite and not nosy at all. The air is clean, there is an extremely low crime rate. Summers  More

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Roger · Signal Mountain, TN
Signal Mountain
Over 15 years ago

Very nice community on top of Walden's Ridge. Approximately 7,500 people living in both small village/country-side environment. Excellent schools - elementary through  More

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Learn More About St. Augustine, Florida
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Learn More About Signal Mountain, Tennessee
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