Town in Hamilton County, Tennessee · 8.4 sq mi · 1,056 people per sq mi
8,836 people live in Signal Mountain. The typical household earns $141,008, and the median resident is 44.3 years old.
2026 projection
From 8,852 in 2020
Poverty rate 3.31%
Men 42.9 · Women 45.6
1920–2026
8,836
2026 projection
0.2% since 2020 (decrease)
Source: U.S. Census Bureau decennial counts and annual estimates, including 2010–2020 intercensal estimates. 2026 is a projection. Values between recorded years are interpolated.
Use the left and right arrow keys to inspect population observations.
1920–2026
8,836
2026 projection
0.2% since 2020 (decrease)
Source: U.S. Census Bureau decennial counts and annual estimates, including 2010–2020 intercensal estimates. 2026 is a projection. Values between recorded years are interpolated.
Use the left and right arrow keys to inspect population observations.
| 2026 | 8,836 | +12 | 0.14% |
|---|---|---|---|
| 2025 | 8,824 | -77 | 0.87% |
| 2024 | 8,901 | +8 | 0.09% |
| 2023 | 8,893 | +35 | 0.40% |
| 2022 | 8,858 | +10 | 0.11% |
| 2021 | 8,848 | -4 | 0.05% |
| 2020 | 8,852 | +48 | 0.55% |
| 2019 | 8,804 | +86 | 0.99% |
| 2018 | 8,718 | +22 | 0.25% |
| 2017 | 8,696 | +39 | 0.45% |
Showing 10 of 26 years.
The 2020 row compares the April 1 Census count with the July 1, 2019 estimate (about nine months). Its Growth and Annual change therefore do not represent a full year.
Signal Mountain has a population change lower than Hamilton County, Tennessee, and the U.S.
Change from July 1, 2020 to July 1, 2025 population estimates—not annualized growth or site projections.
Source: U.S. Census Bureau. U.S. totals are summed from the 50 states and D.C.; unavailable comparisons are omitted.
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S0101
Each square is about 1% of residents (roughly 89 people).
Hispanic or Latino residents can be of any race. All other groups exclude Hispanic residents.
U.S. Census Bureau, 2024 ACS 5-year estimates · Table B03002
Half of households earn more, half earn less
Typical yearly pay for a worker 25 or older.
About 1 in 30 residents
71% of residents age 15 and older are married.
| Status | Overall | Male | Female |
|---|---|---|---|
| Married | 71% | 78% | 65% |
| Never married | 13% | 13% | 14% |
| Divorced | 7% | 5% | 9% |
| Widowed | 9% | 4% | 12% |
| Separated | <1% | <1% | <1% |
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201
14 sources