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

A note before these figures: with a population of 575, Walnut Grove (Sumner 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 (Sumner County) is a small community located in Tennessee, within Sumner County. The total population is 575. It ranks as the 369th most populous out of 502 Census-designated places in Tennessee.

Age Demographics

The median age in Walnut Grove (Sumner County) is 47.5 years. This is 22% higher than the state median of 38.9 years.

Economy, Income & Housing

The median household income in Walnut Grove (Sumner County) is $101,806. This is 46% higher than the state median of $69,595. It is also 26% higher than the national median of $80,734. The ACS records no residents below the poverty line in Walnut Grove (Sumner County). In a community this small the estimate rests on very few survey responses, so it should be read as an absence of measurement rather than a measured absence of poverty. The survey records no unemployed residents in Walnut Grove (Sumner County), which reflects the size of the sample rather than a labor market without joblessness. The median home value is $502,300. Housing costs are 75% higher than the state median of $286,700. The home-value-to-income ratio is 4.9x. 88.8% of occupied housing units are owner-occupied. This homeownership rate is 33% higher than the state average of 66.9%.

Race & Ethnicity

Walnut Grove (Sumner County) has a predominantly White (non-Hispanic) population, comprising 90.8% of all residents. Hispanic or Latino residents account for 6.6%.

Education

26.1% of residents aged 25 and older hold a bachelor's degree or higher. This is 16% 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 97.9%.

Data Sources & Methodology

All demographic data for Walnut Grove (Sumner 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.