281,420 people (2024 Census estimate, +2.0% since 2020)
395 square miles of land · 712 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.
150 active community water systems list Kitsap County in the area they serve, reporting 329,388 people served in all (a system that crosses county lines counts its whole population).
| BREMERTON CITY OF surface water · local government · WA5308200 | 72,951 served |
| SILVERDALE WATER DIST 16 groundwater · local government · WA5379300 | 35,163 served |
| West Sound Utility District #1 groundwater · local government · WA5302600 | 28,930 served |
| NORTH PERRY AVE WATER DISTRICT groundwater · local government · WA5360950 | 24,402 served |
| POULSBO CITY OF groundwater · local government · WA5369150 | 18,400 served |
| NAVAL BASE KITSAP AT BANGOR groundwater · federal · WA5302714 | 16,828 served |
| NORTH PENINSULA groundwater · local government · WA5305122 | 16,449 served |
| PORT ORCHARD WATER DEPT groundwater · local government · WA5368900 | 15,355 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 318 people were held in Kitsap County's jail, in Vera's latest figure (2023), or 180 per 100,000 residents ages 15–64. In 2018 it was about 429.
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.
5 school districts have their office in Kitsap County. School taxes are usually the largest part of a property tax bill.
Spent $237 million — $194.6 million to run schools, about $17,364 per student, plus $31 million on buildings and equipment. Money in: $40.4 million local (mostly property tax), $152.6 million state, $24.4 million federal. Long-term debt: $170.2 million.
Spent $184.8 million — $170.5 million to run schools, about $18,543 per student, plus $12.1 million on buildings and equipment. Money in: $36.2 million local (mostly property tax), $125.7 million state, $17.1 million federal. Long-term debt: $565,000.
Spent $111.1 million — $99.8 million to run schools, about $18,414 per student, plus $9.1 million on buildings and equipment. Money in: $30.5 million local (mostly property tax), $72.5 million state, $9.1 million federal.
Spent $102.7 million — $91.9 million to run schools, about $20,969 per student, plus $9.8 million on buildings and equipment. Money in: $23.4 million local (mostly property tax), $67.4 million state, $13.4 million federal. Long-term debt: $860,000.
Spent $73 million — $63.6 million to run schools, about $17,702 per student, plus $3.8 million on buildings and equipment. Money in: $31.2 million local (mostly property tax), $45.7 million state, $4.2 million federal. Long-term debt: $122.5 million.
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 Kitsap County about $158.3 million a year on average in buildings, crops and lives. Ability to bounce back (community resilience): Relatively High; social vulnerability: Very Low.
Source: FEMA National Risk Index (December 2025), expected annual loss. Ratings compare counties nationwide; they're estimates, not predictions.
120 bridges in Kitsap County: 87 in good condition, 32 fair, and 1 poor (0.8%). “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.
| SR 104 EAST HALF over HOOD CANAL · built 2009 | 18,159 vehicles a day |
Source: Federal Highway Administration, National Bridge Inventory (2025 submission). Includes state, county and city bridges.
Federal grants paid for $131.7 million of work in Kitsap County in fiscal 2025, about $478 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 Kitsap 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 Kitsap County built: brayden.ozark@gmail.com.
More of Washington: the state government and every county in Washington.
Nearby counties: Mason County (31 mi) · Island County (36 mi) · King County (39 mi) · Jefferson County (42 mi) · Pierce County (47 mi) · Thurston County (49 mi).