Union County Flag

Union County

State:
Tennessee
County Seat:
Maynardville

Union County's estimated 2025 population is 21,277 with a growth rate of 1.28% in the past year according to the most recent United States census data. Union County is the 66th largest county in Tennessee. The 2010 population was 19,118 and has seen a growth of 11.29% since that time.

21,277
Total Population
95
Population Density (miĀ²)
66
Population Rank (State)
268 1.28%
Annual Population Growth

Union County Population

Union County Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Union County includes 95.23% White, and smaller percentages for Black or African American, other race, Asian, Native American, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

White

Two or more races

Black or African American

Other race

Asian

Native American

Native Hawaiian or Pacific Islander

Race
Population
Percentage (of total)
White19,18095.23%
Two or more races7853.9%
Black or African American1110.55%
Other race610.3%
Asian40.02%
Native American00%
Native Hawaiian or Pacific Islander00%

Union County Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Union County's average per capita income is $43,143. Household income levels show a median of $61,858. The poverty rate stands at 13.94%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.
Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.
Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.
Name
Median
Mean
Married Families$80,033-
Families$71,211$82,231
Households$61,858$76,005
Non Families$27,335$49,064

$43,143

Average Income

$61,858

Median Household Income

13.94%

Poverty Rate