87,049 people (2024 Census estimate, +5.4% since 2020)
2,403 square miles of land · 36 people per square mile
“Highest” and “lowest” are just order, not grades: a high rank for poverty or hazard losses means more of it. Each figure's source is in its section below.
51 active community water systems list Lewis County in the area they serve, reporting 65,846 people served in all (a system that crosses county lines counts its whole population).
| CENTRALIA PUBLIC WORKS - WATER groundwater · local government · WA5312200 | 28,164 served |
| CHEHALIS WATER DEPARTMENT surface water · local government · WA5312250 | 11,718 served |
| WINLOCK CITY OF groundwater · local government · WA5397500 | 3,502 served |
| NAPAVINE CITY OF groundwater · local government · WA5358200 | 3,095 served |
| BOISTFORT VALLEY surface water · private · WA5307610 | 2,389 served |
| MORTON CITY OF surface water · local government · WA5356250 | 2,147 served |
| LEWIS CO WATER DIST #2 groundwater · local government · WA5347001 | 1,983 served |
| TOLEDO MUNICIPAL groundwater · local government · WA5388660 | 1,944 served |
Source: U.S. EPA Safe Drinking Water Information System (SDWIS), active community systems, . Look up any system's violations and test results with EPA's search using its ID.
About 147 people were held in Lewis County's jail, in Vera's latest figure (2021), or 286 per 100,000 residents ages 15–64. In 2016 it was about 205.
Source: Vera Institute of Justice, Incarceration Trends (built from federal Bureau of Justice Statistics jail surveys). Counties without their own jail, or that share one, may show no figure.
13 school districts have their office in Lewis County. School taxes are usually the largest part of a property tax bill.
Spent $67.1 million — $60.7 million to run schools, about $17,631 per student, plus $2.2 million on buildings and equipment. Money in: $12.1 million local (mostly property tax), $47.6 million state, $10.3 million federal. Long-term debt: $61.9 million.
Spent $57 million — $52.9 million to run schools, about $17,562 per student, plus $1.6 million on buildings and equipment. Money in: $10.3 million local (mostly property tax), $39 million state, $5.5 million federal. Long-term debt: $29.6 million.
Spent $14.3 million — $13.9 million to run schools, about $15,970 per student, plus $83,000 on buildings and equipment. Money in: $1.5 million local (mostly property tax), $10.8 million state, $1.3 million federal.
Spent $15.5 million — $13.7 million to run schools, about $15,980 per student, plus $932,000 on buildings and equipment. Money in: $1.6 million local (mostly property tax), $11.3 million state, $3.3 million federal. Long-term debt: $600,000.
Spent $16.4 million — $14.9 million to run schools, about $17,673 per student, plus $1.1 million on buildings and equipment. Money in: $2.4 million local (mostly property tax), $11.1 million state, $1.3 million federal. Long-term debt: $6.2 million.
Spent $12.8 million — $12.1 million to run schools, about $14,914 per student, plus $61,000 on buildings and equipment. Money in: $1.3 million local (mostly property tax), $9.9 million state, $1.2 million federal.
Spent $13.2 million — $10 million to run schools, about $15,492 per student, plus $2.7 million on buildings and equipment. Money in: $2.2 million local (mostly property tax), $8 million state, $1.2 million federal. Long-term debt: $5.7 million.
Spent $9.7 million — $9.5 million to run schools, about $16,112 per student, plus $77,000 on buildings and equipment. Money in: $1.5 million local (mostly property tax), $8.2 million state, $1.2 million federal. Long-term debt: $495,000.
And 5 more.
Source: U.S. Census Bureau, 2023 Annual Survey of School System Finances. Districts are listed by the county of their main office; some serve neighboring counties too.
Source: County Health Rankings & Roadmaps 2025 (University of Wisconsin Population Health Institute), which gathers federal data (CDC, Census, and others); measures cover different recent years. Blank lines aren't reported for small counties.
Overall risk: Relatively Moderate compared with other U.S. counties. FEMA estimates natural hazards cost Lewis County about $70.9 million a year on average in buildings, crops and lives. Ability to bounce back (community resilience): Relatively Moderate; social vulnerability: Relatively Moderate.
Source: FEMA National Risk Index (December 2025), expected annual loss. Ratings compare counties nationwide; they're estimates, not predictions.
420 bridges in Lewis County: 209 in good condition, 194 fair, and 17 poor (4.0%). “Poor” means a main part — the deck, the beams, or the supports — is rated 4 or lower on the federal 0–9 scale. It doesn't mean unsafe to drive; unsafe bridges are closed.
| I-5 over COWLITZ RIVER · built 1953 | 21,828 vehicles a day |
| I-5 over LACAMAS CR DREWS PR RD · built 1953 | 21,041 vehicles a day |
| CHAMBER WAY over BN RR & N NATL AVE · built 1952 | 13,223 vehicles a day |
| SR 507 over SKOOKUMCHUCK RIVER · built 1928 | 8,908 vehicles a day |
| SR 7 over S FK TILTON RIVER · built 1938 | 2,625 vehicles a day |
| SR 7 over ABANDONED RAILROAD · built 1944 | 2,625 vehicles a day |
Source: Federal Highway Administration, National Bridge Inventory (2025 submission). Includes state, county and city bridges.
Federal grants paid for $43.6 million of work in Lewis County in fiscal 2025, about $531 per resident — to the county, cities, schools, hospitals, nonprofits and others.
Source: USAspending.gov, grants by place of performance, fiscal 2025 (Oct. 2024 to Sept. 2025). Search it by county to see each award.
From Grants.gov: posted grants listing county governments as eligible, soonest deadline first; research-only and overseas programs left out; list updated 2026-10-13, refreshed weekly. 62 are open in all. Cities, towns, school districts and nonprofits have their own lists there.
Registration deadlines, early voting and polling places for Washington are on the federal site vote.gov, which links to the state's official election office.
The budget, property tax rates, audits, local officials and offices for Lewis County come from the county's own records, which we haven't gathered — not gathered, never hidden. See what a full county site looks like, or ask to have Lewis County built: brayden.ozark@gmail.com.
More of Washington: the state government and every county in Washington.
Nearby counties: Cowlitz County (30 mi) · Thurston County (33 mi) · Pierce County (34 mi) · Skamania County (43 mi) · Wahkiakum County (53 mi) · Columbia County, OR (55 mi).