Walnut Grove (Hardin County), Tennessee Demographics & Population 2026

A note before these figures: with a population of 403, Walnut Grove (Hardin County)'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

Walnut Grove (Hardin County) is a small community located in Tennessee, within Hardin County. The total population is 403. It ranks as the 404th most populous out of 502 Census-designated places in Tennessee.

Age Demographics

The median age in Walnut Grove (Hardin County) is 26.4 years. This is 32% lower than the state median of 38.9 years. With 38.2% of the population under 18, Walnut Grove (Hardin County) has a notably young demographic profile, suggesting a family-oriented community.

Economy, Income & Housing

The median household income in Walnut Grove (Hardin County) is $26,000. This is 63% lower than the state median of $69,595. It is also 68% lower than the national median of $80,734. The poverty rate stands at 40.9%. This is 198% 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 survey records no unemployed residents in Walnut Grove (Hardin County), which reflects the size of the sample rather than a labor market without joblessness. The median home value is $86,800. Housing costs are 70% lower than the state median of $286,700. The home-value-to-income ratio is 3.3x. 80.0% of occupied housing units are owner-occupied. This homeownership rate is 20% higher than the state average of 66.9%.

Race & Ethnicity

Walnut Grove (Hardin County) has a predominantly White (non-Hispanic) population, comprising 87.8% of all residents. Hispanic or Latino residents account for 9.9%.

Education

19.5% of residents aged 25 and older hold a bachelor's degree or higher. This is 37% 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 Walnut Grove (Hardin County), 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.