Colonial Heights, Tennessee Demographics & Population 2026

Population Overview

Colonial Heights is a small community located in Tennessee, within Sullivan County. The total population is 3,258. It ranks as the 156th most populous out of 502 Census-designated places in Tennessee.

Age Demographics

The median age in Colonial Heights is 49.8 years. This is 28% higher than the state median of 38.9 years. Only 14.2% of residents are under 18, indicating fewer families with children.

Economy, Income & Housing

The median household income in Colonial Heights is $80,148. This is 15% higher than the state median of $69,595. It is also about the same as the national median of $80,734. The poverty rate stands at 4.7%. This is 66% lower than the state poverty rate of 13.8%. This exceptionally low poverty rate indicates strong economic prosperity across the community. The unemployment rate is 4.5%. This is 3% lower than the state rate of 4.7%. The median home value is $217,100. Housing costs are 24% lower than the state median of $286,700. With a home-value-to-income ratio of just 2.7x, Colonial Heights is one of the most affordable housing markets in the area. 85.2% of occupied housing units are owner-occupied. This homeownership rate is 27% higher than the state average of 66.9%.

Race & Ethnicity

Colonial Heights has a predominantly White (non-Hispanic) population, comprising 98.8% of all residents. Hispanic or Latino residents account for 0.6%. The Black or African American population (0.2%) is well below the state average of 15.4%. The Hispanic or Latino population (0.6%) is well below the state average of 7.4%.

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 92.5%.

Data Sources & Methodology

All demographic data for Colonial Heights, 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.