Flat Top Mountain, Tennessee Demographics & Population 2026

Population Overview

Flat Top Mountain is a small community located in Tennessee, within Hamilton County. The total population is 1,004. It ranks as the 305th most populous out of 502 Census-designated places in Tennessee.

Age Demographics

The median age in Flat Top Mountain is 25.0 years. This is 36% lower than the state median of 38.9 years. With 47.1% of the population under 18, Flat Top Mountain has a notably young demographic profile, suggesting a family-oriented community.

Economy, Income & Housing

The median household income in Flat Top Mountain is $121,131. This is 74% higher than the state median of $69,595. It is also 50% higher than the national median of $80,734. The poverty rate stands at 15.1%. This is 10% higher than the state poverty rate of 13.8%. The survey records no unemployed residents in Flat Top Mountain, which reflects the size of the sample rather than a labor market without joblessness. The median home value is $593,100. Housing costs are 107% higher than the state median of $286,700. The home-value-to-income ratio is 4.9x. 97.4% of occupied housing units are owner-occupied. This homeownership rate is 45% higher than the state average of 66.9%.

Race & Ethnicity

Flat Top Mountain has a predominantly White (non-Hispanic) population, comprising 98.7% of all residents. Hispanic or Latino residents account for 0.3%. The Hispanic or Latino population (0.3%) is well below the state average of 7.4%.

Education

20.1% of residents aged 25 and older hold a bachelor's degree or higher. This is 35% lower than the state rate of 31.1%. Nationally, 35.7% of adults hold at least a bachelor's degree. No surveyed resident aged 25 or older reported leaving school before earning a high school diploma, though a rate of exactly 100% reflects the limits of a small sample.

Data Sources & Methodology

All demographic data for Flat Top Mountain, Tennessee is sourced from the U.S. Census Bureau's American Community Survey (ACS) 2020–2024 5-Year Estimates. The ACS collects data from approximately 3.5 million households annually and pools five years of responses so that even small communities can be measured, though the margin of error widens as the population falls. Comparisons are made against Tennessee state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 502 Census-designated places in Tennessee. Read more about how these figures are produced on our methodology page, or visit data.census.gov for official data.