With 98,902 people, Franklin County is a county in Washington. Since 2000 the county has more than doubled, up 49,555 people. The median age is 30.9, younger than the US median of 38.9. That puts it in the top 3% of US counties for household income. 21% of adults hold a bachelor's degree, below the 36% national rate. 21% of residents were born outside the United States.
At a glance
Wealthier
median household income $86,714, above the US median
US median: $82,259
Younger
median age 30.9
US median: 38.9
Less educated
21% hold a bachelor's degree
US average: 36%
Less affordable
home values up 119%, inflation adjusted
US median home: $376,019
Unique to this place
What stands out about Franklin County
What changed most since 1990
Population37,473 → 98,902(+164%)US over the same years: +35%
Median home value (2024 dollars)$134,164 → $379,300(+183%)US over the same years: +67%
Hispanic share30.1% → 55.3%(+25.2 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)34.8%(1,393)
US avg: 26.4%
Gulf War (1990s)27.5%(1,103)
US avg: 24.3%
Vietnam era24.5%(982)
US avg: 33.1%
Korean War2.4%(97)
US avg: 4.5%
World War II0.1%(5)
US avg: 1%
Share of the 4,004 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
Franklin County, decade by decade
Franklin 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
37,473
$59,051
$134,164
13.4%
62.6
2000
49,347
$71,028
$173,422
13.6%
69.4
2010
78,163
$68,690
$211,470
14.6%
68.8
2020
96,749
$81,090
$274,527
18.9%
69.6
2024
98,902
$86,714
$379,300
21.1%
69.3
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 Franklin County, Washington?
Franklin County, Washington has about 98,902 residents according to the 2024 American Community Survey.
What is the median household income in Franklin County, Washington?
The typical household in Franklin County, Washington earns about $86,714 a year. Half of households make more than that, and half make less.
Is Franklin County, Washington expensive?
In Franklin County, Washington, the median home is worth about $379,300, and the typical rent is about $1,198 a month.
How educated are people in Franklin County, Washington?
About 21.1% of adults age 25 and over in Franklin County, Washington hold a bachelor's degree or higher.
What is the poverty rate in Franklin County, Washington?
About 13.1% of people in Franklin County, Washington live below the federal poverty line.
Has Franklin County, Washington grown since 1990?
Yes, Franklin County, Washington has grown since 1990. The population has added about 61,429 residents, a change of about 164 percent over that period.
