67,764 people (2024 Census estimate, −0.6% since 2020)
1,255 square miles of land · 54 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.
43 active community water systems list Lake County in the area they serve, reporting 66,064 people served in all (a system that crosses county lines counts its whole population).
| HIGHLANDS MUTUAL WATER COMPANY surface water · private · CA1710003 | 7,772 served |
| HIDDEN VALLEY LAKE CSD groundwater · local government · CA1710015 | 6,235 served |
| KONOCTI COUNTY WATER DISTRICT surface water · local government · CA1710006 | 5,928 served |
| LAKEPORT, CITY OF surface water · local government · CA1710004 | 4,762 served |
| GOLDEN STATE WATER CO.-CLEARLAKE SYSTEM surface water · private · CA1710002 | 4,623 served |
| MT. KONOCTI MUTUAL WATER COMPANY surface water · local government · CA1710014 | 4,360 served |
| KELSEYVILLE CO WATERWORKS DISTRICT 3 groundwater · local government · CA1710007 | 4,102 served |
| LAKE COUNTY CSA 21 - NORTH LAKEPORT surface water · local government · CA1710021 | 4,046 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 223 people were held in Lake County's jail, in Vera's latest figure (2025). In 2020 it was about 207.
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.
7 school districts have their office in Lake County. School taxes are usually the largest part of a property tax bill.
Spent $70.8 million — $65.5 million to run schools, about $17,171 per student, plus $3.8 million on buildings and equipment. Money in: $15.8 million local (mostly property tax), $55.7 million state, $12.6 million federal. Long-term debt: $31.8 million.
Spent $36.9 million — $33.6 million to run schools, about $18,341 per student, plus $1.6 million on buildings and equipment. Money in: $10.9 million local (mostly property tax), $23.7 million state, $4.8 million federal. Long-term debt: $25.9 million.
Spent $26.3 million — $22.1 million to run schools, about $15,221 per student, plus $2.7 million on buildings and equipment. Money in: $10.4 million local (mostly property tax), $15.9 million state, $2.9 million federal. Long-term debt: $25 million.
Spent $29.7 million — $24.6 million to run schools, about $18,268 per student, plus $1.4 million on buildings and equipment. Money in: $8.9 million local (mostly property tax), $19.8 million state, $3.2 million federal. Long-term debt: $21.3 million.
Spent $23.3 million — $19.2 million to run schools, about $21,497 per student, plus $3.1 million on buildings and equipment. Money in: $6.5 million local (mostly property tax), $14.2 million state, $4.2 million federal. Long-term debt: $22.7 million.
Spent $5 million — $4.6 million to run schools, about $15,323 per student, plus $141,000 on buildings and equipment. Money in: $1.3 million local (mostly property tax), $4.6 million state, $804,000 federal. Long-term debt: $2.9 million.
Spent $27.6 million — $11.6 million to run schools, about $342,412 per student, plus $1.4 million on buildings and equipment. Money in: $9.8 million local (mostly property tax), $16.6 million state, $4.1 million federal.
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 Lake County about $101 million a year on average in buildings, crops and lives. Ability to bounce back (community resilience): Relatively Low; social vulnerability: Relatively High.
Source: FEMA National Risk Index (December 2025), expected annual loss. Ratings compare counties nationwide; they're estimates, not predictions.
131 bridges in Lake County: 40 in good condition, 79 fair, and 12 poor (9.2%). “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.
| NICE-LUCERNE CUTOF over RODMAN NARROWS(CLEAR LAK · built 1958 | 5,315 vehicles a day |
| ELK MTN RD over WEST FORK MIDDLE CREEK · built 1966 | 1,000 vehicles a day |
| ROAD M1 over EEL RIVER · built 1971 | 350 vehicles a day |
| BIG CANYON ROAD over BIG CANYON CREEK · built 1930 | 308 vehicles a day |
| BIG CANYON ROAD over BIG CANYON CREEK · built 1930 | 304 vehicles a day |
| BIG CANYON RD over BIG CANYON CREEK · built 1956 | 208 vehicles a day |
Source: Federal Highway Administration, National Bridge Inventory (2025 submission). Includes state, county and city bridges.
Federal grants paid for $42.6 million of work in Lake County in fiscal 2025, about $626 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.
General election: Tuesday, November 3, 2026. Ballots mailed; drop boxes open: 2026-10-05. Last day to register to vote: 2026-10-19. Early in-person voting: 2026-10-24 to 2026-11-03. Election Day: 2026-11-03. Last day for mailed ballots to arrive: 2026-11-10.
Source: California Secretary of State — Nov. 3, 2026 key dates · California Official Voter Information Guide — dates to remember · California Secretary of State — make a plan to vote
The budget, property tax rates, audits, local officials and offices for Lake 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 Lake County built: brayden.ozark@gmail.com.
More of California: the state government and every county in California.
Nearby counties: Colusa County (28 mi) · Glenn County (39 mi) · Sonoma County (41 mi) · Mendocino County (44 mi) · Napa County (47 mi) · Yolo County (54 mi).