Hollow Rock, Tennessee Demographics & Population 2026

A note before these figures: with a population of 739, Hollow Rock's ACS estimates come from a small number of survey responses and carry wide margins of error. Individual percentages below — particularly rates that round to 0% or 100% — are approximations, not precise measurements. See data.census.gov for the published margins of error.

Population Overview

Hollow Rock is a small community located in Tennessee, within Carroll County. The total population is 739. It ranks as the 339th most populous out of 502 Census-designated places in Tennessee.

Age Demographics

The median age in Hollow Rock is 35.4 years. This is 9% lower than the state median of 38.9 years.

Economy, Income & Housing

The median household income in Hollow Rock is $40,000. This is 43% lower than the state median of $69,595. It is also 50% lower than the national median of $80,734. The poverty rate stands at 27.3%. This is 99% higher than the state poverty rate of 13.8%. With more than one in five residents living below the poverty line, economic hardship is a significant challenge for the community. The unemployment rate is 7.1%. This is 51% higher than the state rate of 4.7%. The median home value is $89,100. Housing costs are 69% lower than the state median of $286,700. With a home-value-to-income ratio of just 2.2x, Hollow Rock is one of the most affordable housing markets in the area. 59.2% of occupied housing units are owner-occupied. This homeownership rate is 12% lower than the state average of 66.9%.

Race & Ethnicity

The largest racial or ethnic group in Hollow Rock is White (non-Hispanic), making up 81.9% of the population. Hispanic or Latino residents account for 11.5%. The Black or African American population (1.6%) is well below the state average of 15.4%. The Hispanic or Latino population is significantly higher than the state average (11.5% vs 7.4%).

Education

11.9% of residents aged 25 and older hold a bachelor's degree or higher. This is 62% lower than the state rate of 31.1%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 92.2%.

Data Sources & Methodology

All demographic data for Hollow Rock, 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.