Franklin County, Washington Demographics
Population trends, housing costs, income, commuting, and health, all on one page.
Franklin County, WA Population Density Map and Area Scores
Area Score
Health, income and education, each graded from F to A+. Explore interactive maps for deeper analysis.
-
B
Health Around average
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C
Income Below average
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F
Education Well below averageAmong the 5 least educated counties in Washington
Source: Map AI Methodology
Population: density and quick facts
| Metric | Franklin County | Washington Avg | U.S. Average |
|---|---|---|---|
| Population | 98,902 | 7,801,159 | 337,468,954 |
| Population density (per sq mi) | 78.2 | 109.3 | 86.4 |
| Population growth (%/yr) | 1.51% | 1.21% | 0.59% |
| Median age | 31.8 | 36.2 | 37.3 |
| Households | 29,890 | 3,058,619 | 130,235,071 |
Population in Franklin County grew by 41.8% from 2009 to 2024, reaching 98,902 in 2024.
Population Growth 2009–2024
Race & Ethnicity
Age & Sex
The largest generation in Franklin County is Gen Z, aged 13–28, at 25.2% of residents. That is 3.7 points above Washington as a whole.
- Gen Z 13–28 24,884 25.2% +3.7 pts
- Millennials 29–44 22,810 23.1% -0.3 pts
- Gen X 45–60 16,770 17.0% -2.6 pts
- Boomers 61–79 10,407 10.5% -5.7 pts
Residents by birth cohort, from the 2025 age distribution. The right-hand figure is how far each cohort's share sits above or below Washington, in percentage points. Children younger than Gen Z and the generations before the Boomers are counted in the population but not shown here, so these shares do not add up to 100%.
Male and female share
Women are 47.9% of the people living in Franklin County and men 52.1%.
- Women 47.9% Washington 49.7%
- Men 52.1% Washington 50.3%
How many residents match a customer profile?
Residents matching this profile
100% of everyone living in Franklin County
Pick an age range and a women/men split and the figure above answers with how many residents that profile reaches.
Economy
Franklin County has a the economy index of C, which means it is somewhat prosperous.
| Metric | Franklin County | Washington Avg | U.S. Average |
|---|---|---|---|
| Median household income | $86,960 | $98,224 | $80,455 |
| Income growth (%/yr) | 5.17% | 5.64% | 4.80% |
| Unemployment rate | 5.4% | 5.0% | 5.2% |
The median household income in Franklin County is about 11% lower than in Washington.
Housing
| Metric | Franklin County | Washington Avg | U.S. Average |
|---|---|---|---|
| Median home price | $387,681 | $485,016 | $248,835 |
| Median rent | $1,198 | $1,759 | $1,407 |
| Homeownership rate | 71.0% | 63.8% | 65.2% |
The median home price in Franklin County is about 27.0 years' worth of rent — buying at the median price costs roughly as much as paying the median rent of $1,198 per month for that long.
Commute Time & Mobility
Commuters in Franklin County spend about 37 minutes on the road round trip each working day. Over a typical 250-day work year, that adds up to roughly 155 hours, about 6.4 full days, spent commuting.
| Metric | Franklin County | Washington Avg | U.S. Average |
|---|---|---|---|
| One-way commute (min) | 18.6 | 22.4 | 22.4 |
| Round-trip commute (min) | 37.1 | 44.8 | 44.8 |
| Yearly time spent (hours) | 155 | 187 | 187 |
| Estimated yearly cost | $4,796 | $5,785 | $5,790 |
| Work from home | 8.1% | 19.8% | 15.0% |
| Highway traffic (vehicles/day) | 7,413 | 10,119 | 8,813 |
| Local road traffic (vehicles/day) | 1,037 | 1,525 | 1,355 |
Fastest commutes among counties in
Washington:
Walla Walla County (12.2 min), San Juan County (12.3 min), Asotin County (13.2 min).
Slowest:
Mason County (32.0 min), Garfield County (28.4 min), Snohomish County (28.3 min).
The average commute time in Franklin County is 19 minutes, shorter than the 22 minutes in Washington.
Estimated yearly cost applies a single national wage rule of thumb (U.S. Bureau of Labor Statistics average hourly earnings), not a measurement of wages in this area. Traffic volume figures come from proprietary Ticon and TrafficZoom data.
Education & Households
Franklin County has a education index of F, which means it scores poorly in education.
| Metric | Franklin County | Washington Avg | U.S. Average |
|---|---|---|---|
| Bachelor's degree or higher | 17.7% | 35.1% | 31.6% |
| Average household size | 3.21 | 2.50 | 2.53 |
Highest education index among counties in
Washington:
King County (0.4), San Juan County (0.4), Jefferson County (0.4).
Lowest:
Adams County (0.2), Yakima County (0.2), Grant County (0.2).
Health
Franklin County has a health index of B, which means it is quite healthy.
| Metric | Franklin County | Washington Avg | U.S. Average |
|---|---|---|---|
| Life expectancy (years) | 80.7 | 79.6 | 78.3 |
| Self-rated poor health | 16.4% | 15.4% | 16.3% |
| Smokers | 16.2% | 16.4% | 19.0% |
Highest health index among counties in
Washington:
King County (0.8), Whitman County (0.8), San Juan County (0.8).
Lowest:
Adams County (0.8), Okanogan County (0.8), Pacific County (0.8).
Franklin County, WA Compared With Nearby Counties
Franklin County, WA is the 3rd largest of the 6 counties compared here, 98,902 residents against a local median of 79,928. The measure that sets Franklin County, WA apart most is median home price: $387,681, 62% above the local median of $238,970.
Median household income tells the same story from another angle: $86,960 against a local median of $73,032, 19% above it. The one measure here that carries a verdict is median household income, and at 19% above the local median it puts Franklin County, WA at the better end of the local range. The counties themselves spread $240,471 on median home price, so Franklin County, WA sits at one end of an already wide local range rather than apart from it. Franklin County, WA has the highest median home price of the 6 areas compared here.
| Area | Population | Median household income | Median home price | Commute |
|---|---|---|---|---|
| Franklin County, WA | 98,902 | $86,960 #2/6 | $387,681 #1/6 | 18.6 min #6/6 |
| Walla Walla County, WA | 62,160 | $74,258 | $38,811 | 12.2 min |
| Adams County, WA | 20,799 | $66,281 | $157,686 | 16.7 min |
| Benton County, WA | 212,794 | $89,893 | $279,282 | 18.2 min |
| Grant County, WA | 101,798 | $73,032 | $238,970 | 16.3 min |
| Umatilla County, OR | 79,928 | $68,282 | $260,068 | 16.0 min |
Frequently Asked Questions
Common questions about Franklin County, Washington.
What is the population of Franklin County, Washington?
About 98,902 people live in Franklin County, Washington, in 29,890 households of 3.2 people on average. The median age is 31.8, so residents are younger than the U.S. median of 37.3 by about 5 years.
How densely populated is Franklin County, Washington?
Averaged over its land area, Franklin County, Washington has 78 people per square mile, a density typical of rural areas. That is close to the U.S. average of 86.
Is Franklin County, Washington an affordable place to live?
The median home costs 4.5 times the median household income ($387,681 against $86,960), compared with 3.1 times nationally. A ratio of about 3 is traditionally considered affordable. Median rent of $1,198 a month takes about 17% of the median household's income, below the 30% level at which HUD considers renters cost-burdened.
How educated are people in Franklin County, Washington?
17.7% of adults in Franklin County, Washington hold a bachelor's degree or higher (about 1 in 6), well below the U.S. share of 31.6%.
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