RANK #232 / 1001 NAT · #2 / 21 WA · POP 85,154
1YR FORECAST: +0.5%
5YR OUTLOOK: +33%
Lewis County, Washington, is known as the "mother of counties" because its original 1845 borders encompassed a significant portion of present-day Washington and even part of British Columbia. Located in southwest Washington along the I-5 corridor, it sits roughly halfway between Seattle and Portland, about 84 miles from Seattle and 91 miles from Portland, and 25 miles from Olympia. The county offers a rural feel with a slower pace of life compared to larger cities. Its natural amenities are a major draw, with access to Gifford Pinchot National Forest, Mount St. Helens National Volcanic Monument, and numerous hiking trails like the Willapa Hills Trail. Residents can enjoy kayaking, fishing, and camping in various county parks and lakes.
Life in Lewis County often appeals to those seeking affordability and a connection to the outdoors. Many residents own their homes, and the cost of living is lower than in Washington's larger metropolitan areas. While some commute to Olympia, Tacoma, or Seattle for work, the average commute time within the county is around 28 minutes. Lewis County Transit provides local and inter-county bus services, including routes to Olympia and other communities. The economy has historically been tied to timber and, later, coal, but recent developments include a focus on wood product manufacturing, healthcare, and logistics. There is also ongoing investment in infrastructure projects, such as the Centralia Station and a hydrogen refueling station in Chehalis.
Lewis County's data profile doesn't fit any single market profile cleanly — its housing, labor, and demographic signals pull in different directions (home prices +2.4% YoY, population +1.5%, wages +3.7%). About 414 U.S. counties show this kind of mixed-signal pattern.
See all 414 Idiosyncratic Markets counties →Overvalued relative to economy
Above national median
Prices detached from rents
Housing looks overvalued at 19.7x — home prices are high relative to local economic output. Climate and geography support a structural premium. The typical U.S. county is 4–6x.
Estimated local headcount ranges. Larger employers shown as floor + "+"; smaller employers show exact counts where reported.
Bars show trailing 12-month growth. The dashed Forecast bars are the model's next-12-month projection; the whisker marks the ±1% range (cooling–accelerating).
Source: Redfin · Census BPS — Browse sales on Redfin →
Source: CDC/NCHS vital statistics via County Health Rankings (2020–2022 avg). Rates per 100,000 population. Grade based on homicide rate relative to national average (~6.3). Learn more →
Source: EPA Air Quality System (2021–2023). Grade based on 3-year average median AQI. Learn about AQI →
Bars show percentile rank among all 1001 counties.
With a Boom Town Index score of 77/100, Lewis County sits in the upper half of all 1001 ranked counties. Employment is expanding at +1.0%, and median household income stands at $74,796 — indicators that suggest solid fundamentals even if it's not among the fastest-growing counties in WA.
Lewis County leans toward the expensive side. A median home value of $385,800 against an income-to-home-value ratio of 0.19 means housing eats a bigger share of local earnings than the national norm. Renters face $1,097/month on average.
Lewis County's population is growing — up +1.5% YoY — while the job market is roughly flat (employment change of +1.0%). Home values shifted +2.4% over the past year. In-migration is outpacing local hiring, which often points to remote workers or retirees driving the headcount.
There's a moderate stream of newcomers. About 3.52% of residents moved from another state, which is above average and suggests Lewis County has appeal as a relocation destination — though it's not among the highest-inflow counties nationally.