Signal Mountain, TN Demographics

A map of Signal Mountain's Population by Race

Signal Mountain, Tennessee has an estimated population of 8,860, a less than 1% change from the 8,852 recorded in the 2020 Census. The population is 92.8% White, 3.6% Multiracial, 1.2% Asian, 1.2% Hispanic, 0.6% Black, and 0.6% Native American/Other. This demographic dot map shows the population of Signal Mountain, with one dot drawn for each person counted by the Census, color-coded by race.

Signal Mountain has become less racially diverse since the 2020 Census. It is considerably less diverse than Tennessee overall. Demographers use a diversity index to measure the probability that two randomly selected individuals belong to different racial or ethnic groups. In Signal Mountain, that probability was 15.1% in 2020 and 13.6% in the most recent ACS estimates.

Signal Mountain is ranked the 73rd most populous place in Tennessee, out of 504 places. This ranking is based on the Census definition of a place, which includes incorporated places like cities, towns, and villages, as well as unincorporated census-designated places (CDPs). Signal Mountain was ranked the 73rd most populous place in the 2020 Census.

Signal Mountain's White Population

8,226 residents of Signal Mountain, or 92.8% of the population, identify as White. The share of White residents in Signal Mountain is significantly higher than in Tennessee overall, where 71% of the population is White. Signal Mountain ranks 142nd statewide in terms of White residents as a share of the population, out of 504 places.

Since the 2020 Census, Signal Mountain's White population has remained roughly the same. White residents' share of Signal Mountain's population has increased from 92.0% to 92.8%.

Signal Mountain is more White than neighboring Walden (84.8% White), Fairmount (87.7% White), Red Bank (80.4% White), Lone Oak (87.3% White), and Falling Water (89.5% White).

Signal Mountain's Black Population

57 residents of Signal Mountain, or 0.6% of the population, identify as Black. The share of Black residents in Signal Mountain is considerably lower than in Tennessee overall, where 15.4% of the population is Black. Signal Mountain ranks 386th statewide in terms of Black residents as a share of the population, out of 504 places.

Since the 2020 Census, Signal Mountain's Black population has grown by an estimated 14.0%. Black residents' share of Signal Mountain's population has remained roughly unchanged at 0.6%.

Signal Mountain is more Black than neighboring Fairmount (0% Black), and Lone Oak (0% Black). Signal Mountain is less Black than neighboring Walden (5.1% Black), Red Bank (6.1% Black), and Falling Water (3.2% Black).

Signal Mountain's Asian Population

104 residents of Signal Mountain, or 1.2% of the population, identify as Asian. The share of Asian residents in Signal Mountain is comparable to the share in Tennessee overall, where 1.9% of the population is Asian. Signal Mountain ranks 77th statewide in terms of Asian residents as a share of the population, out of 504 places.

Since the 2020 Census, Signal Mountain's Asian population has declined by an estimated 11.9%. Asian residents' share of Signal Mountain's population has remained roughly unchanged at 1.2%.

Signal Mountain is more Asian than neighboring Walden (1.1% Asian), and Falling Water (0% Asian). Signal Mountain is less Asian than neighboring Fairmount (1.5% Asian), Red Bank (1.7% Asian), and Lone Oak (7% Asian).

Signal Mountain's Hispanic Population

103 residents of Signal Mountain, or 1.2% of the population, identify as Hispanic. The share of Hispanic residents in Signal Mountain is lower than in Tennessee overall, where 7.4% of the population is Hispanic. Signal Mountain ranks 264th statewide in terms of Hispanic residents as a share of the population, out of 504 places.

Since the 2020 Census, Signal Mountain's Hispanic population has declined by an estimated 56.9%. Hispanic residents' share of Signal Mountain's population has decreased from 2.7% to 1.2%.

Signal Mountain is less Hispanic than neighboring Walden (3.4% Hispanic), Fairmount (2.2% Hispanic), Red Bank (7.7% Hispanic), Lone Oak (3.9% Hispanic), and Falling Water (2.3% Hispanic).

Signal Mountain's Native American/Other Population

49 residents of Signal Mountain, or 0.6% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Signal Mountain is comparable to the share in Tennessee overall, where 0.6% of the population is Native American/Other. Signal Mountain ranks 393rd statewide in terms of Native American/Other residents as a share of the population, out of 504 places.

Since the 2020 Census, Signal Mountain's Native American/Other population has grown by an estimated 113.0%. Native American/Other residents' share of Signal Mountain's population has remained roughly unchanged at 0.6%.

Signal Mountain is more Native American/Other than neighboring Walden (0.1% Native American/Other), Red Bank (0.2% Native American/Other), Lone Oak (0% Native American/Other), and Falling Water (0.5% Native American/Other). Signal Mountain is less Native American/Other than neighboring Fairmount (2.9% Native American/Other).

Signal Mountain's Multiracial Population

321 residents of Signal Mountain, or 3.6% of the population, identify as Multiracial. The share of Multiracial residents in Signal Mountain is comparable to the share in Tennessee overall, where 3.7% of the population is Multiracial. Signal Mountain ranks 355th statewide in terms of Multiracial residents as a share of the population, out of 504 places.

Since the 2020 Census, Signal Mountain's Multiracial population has grown by an estimated 16.3%. Multiracial residents' share of Signal Mountain's population has increased from 3.1% to 3.6%.

Signal Mountain is more Multiracial than neighboring Lone Oak (1.7% Multiracial). Signal Mountain is less Multiracial than neighboring Walden (5.5% Multiracial), Fairmount (5.6% Multiracial), Red Bank (3.9% Multiracial), and Falling Water (4.5% Multiracial).

Sources: Most recent population estimates are from the 2020-2024 American Community Survey 5-Year Estimates. 2020 population counts and map data are from 2020 Census State Redistricting Data. Geographic data are from Census TIGER/Line Shapefiles.