With 136,261 people, Washington County is a county in Tennessee. 4% of people here were born outside the United States. The population is up 27% since 2000. The typical home is worth $249,000, having more than doubled since 2000. Renters pay $1,005 a month at the median. Households take in $62,809 at the median, 24% less than the US figure.
At a glance
Lower income
median household income $62,809, below the US median
US median: $82,259
Mid-age
median age 40.2
US median: 38.9
Average education
34% hold a bachelor's degree
US average: 36%
Less affordable
home values up 50%, inflation adjusted
US median home: $376,019
Unique to this place
What stands out about Washington County
What changed most since 1990
White share95.5% → 85.9%(−9.6 pts)US over the same years: −17.8 pts
Hispanic share0.6% → 4.9%(+4.3 pts)US over the same years: +9.9 pts
Shares are "alone or in combination": a person with both Medicare and Medicaid counts in each, so categories overlap and do not sum to 100%.
Section 09 · Service history
Veterans
Veterans by period of service, 2024
Gulf War (2001 or later)23.6%(2,238)
US avg: 26.4%
Gulf War (1990s)25%(2,366)
US avg: 24.3%
Vietnam era35.3%(3,347)
US avg: 33.1%
Korean War3.7%(354)
US avg: 4.5%
World War II0.6%(58)
US avg: 1%
Share of the 9,481 veterans here. A veteran who served across eras counts in each, so shares can total more than 100%. Peacetime-only service is included in the total but not shown as an era.
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Over time
Washington County, decade by decade
Washington County population, inflation-adjusted income and home value, education, and diversity by year
Year
Population
Median household income
Median home value
Bachelor's degree+
Diversity score
1990
92,315
$56,877
$136,324
18.9%
10.8
2000
107,198
$60,326
$165,588
22.9%
16.9
2010
122,979
$59,350
$196,653
27.9%
23.0
2020
133,001
$59,297
$202,895
32.3%
34.8
2024
136,261
$62,809
$249,000
34.3%
32.1
Census years come from the decennial census and the latest year from the American Community Survey, so part of any change between those two rows can reflect the different surveys. Dollar figures are adjusted for inflation to 2024 dollars; a figure ending in "+" was at the Census Bureau's reporting cap that year. The diversity score runs from 0 to 100; see how it's calculated.
How many people live in Washington County, Tennessee?
Washington County, Tennessee has about 136,261 residents according to the 2024 American Community Survey.
What is the median household income in Washington County, Tennessee?
The typical household in Washington County, Tennessee earns about $62,809 a year. Half of households make more than that, and half make less.
Is Washington County, Tennessee expensive?
In Washington County, Tennessee, the median home is worth about $249,000, and the typical rent is about $1,005 a month.
How educated are people in Washington County, Tennessee?
About 34.3% of adults age 25 and over in Washington County, Tennessee hold a bachelor's degree or higher.
What is the poverty rate in Washington County, Tennessee?
About 15.5% of people in Washington County, Tennessee live below the federal poverty line.
Has Washington County, Tennessee grown since 1990?
Yes, Washington County, Tennessee has grown since 1990. The population has added about 43,946 residents, a change of about 48 percent over that period.
