Washington County Flag

Washington County

State:
Tennessee
County Seat:
Jonesborough

Washington County's estimated 2025 population is 142,966 with a growth rate of 1.62% in the past year according to the most recent United States census data. Washington County is the 12th largest county in Tennessee. The 2010 population was 123,393 and has seen a growth of 15.86% since that time.

142,966
Total Population
437
Population Density (mi²)
12
Population Rank (State)
2.3K 1.62%
Annual Population Growth

Washington County Population

Washington County Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Washington County includes 87.69% White, 3.75% Black or African American, and smaller percentages for Asian, other race, Native American, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

White

Two or more races

Black or African American

Asian

Other race

Native American

Native Hawaiian or Pacific Islander

Race
Population
Percentage (of total)
White118,11387.69%
Two or more races7,2485.38%
Black or African American5,0553.75%
Asian2,1531.6%
Other race1,8131.35%
Native American2770.21%
Native Hawaiian or Pacific Islander340.03%

Washington County Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Washington County's average per capita income is $43,593. Household income levels show a median of $61,051. The poverty rate stands at 15.81%.

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$91,647$121,231
Families$82,020$108,940
Households$61,051$85,716
Non Families$33,295$45,441

$43,593

Average Income

$61,051

Median Household Income

15.81%

Poverty Rate