102,195 people (2024 Census estimate, −0.1% since 2020)
958 square miles of land · 107 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.
21 active community water systems list Nevada County in the area they serve, reporting 93,838 people served in all (a system that crosses county lines counts its whole population).
| TRUCKEE-DONNER PUD, MAIN groundwater · local government · CA2910003 | 36,730 served |
| NEVADA ID - E. GEORGE, BANNER MOUNTAIN surface water · local government · CA2910004 | 17,154 served |
| NEVADA ID - LOMA RICA surface water · local government · CA2910006 | 14,072 served |
| NEVADA ID - LAKE WILDWOOD surface water · local government · CA2910023 | 9,108 served |
| NEVADA ID - LAKE OF PINES surface water · local government · CA2910014 | 6,870 served |
| CITY OF GRASS VALLEY surface water · local government · CA2910001 | 4,947 served |
| CITY OF NEVADA CITY surface water · local government · CA2910002 | 3,148 served |
| WASHINGTON WATER DISTRICT surface water · private · CA2900523 | 330 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 168 people were held in Nevada County's jail, in Vera's latest figure (2025). In 2020 it was about 178.
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.
11 school districts have their office in Nevada County. School taxes are usually the largest part of a property tax bill.
Spent $108.1 million — $90 million to run schools, about $22,692 per student, plus $4.1 million on buildings and equipment. Money in: $94.7 million local (mostly property tax), $46.3 million state, $4.9 million federal. Long-term debt: $225.8 million.
Spent $56.4 million — $47.5 million to run schools, about $19,065 per student, plus $6.3 million on buildings and equipment. Money in: $40.8 million local (mostly property tax), $18.1 million state, $4.4 million federal. Long-term debt: $49.1 million.
Spent $30.9 million — $26 million to run schools, about $16,221 per student, plus $910,000 on buildings and equipment. Money in: $19.6 million local (mostly property tax), $11.7 million state, $3.9 million federal. Long-term debt: $17.4 million.
Spent $21.5 million — $19 million to run schools, about $13,552 per student, plus $991,000 on buildings and equipment. Money in: $12.9 million local (mostly property tax), $8.2 million state, $1.9 million federal.
Spent $48.4 million — $33.1 million to run schools, about $29,345 per student, plus $231,000 on buildings and equipment. Money in: $19 million local (mostly property tax), $27.8 million state, $5.3 million federal. Long-term debt: $4.4 million.
Spent $14.1 million — $10.7 million to run schools, about $15,570 per student, plus $2.3 million on buildings and equipment. Money in: $10.8 million local (mostly property tax), $3.4 million state, $1.5 million federal.
Spent $10 million — $9.2 million to run schools, about $13,456 per student, plus $87,000 on buildings and equipment. Money in: $4.1 million local (mostly property tax), $7.7 million state, $682,000 federal.
Spent $9.9 million — $8.2 million to run schools, about $13,529 per student, plus $688,000 on buildings and equipment. Money in: $6 million local (mostly property tax), $3.8 million state, $1.4 million federal.
And 3 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 Nevada County about $80.6 million a year on average in buildings, crops and lives. Ability to bounce back (community resilience): Relatively High; social vulnerability: Relatively Moderate.
Source: FEMA National Risk Index (December 2025), expected annual loss. Ratings compare counties nationwide; they're estimates, not predictions.
137 bridges in Nevada County: 63 in good condition, 55 fair, and 19 poor (13.9%). “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.
| INTERSTATE 80 WB over SOUTH YUBA RIVER · built 1962 | 12,400 vehicles a day |
| BROAD ST over DEER CREEK · built 1967 | 8,630 vehicles a day |
| SACRAMENTO ST over STATE ROUTE 20 · built 1967 | 8,500 vehicles a day |
| WOLF ROAD (CR 10) over WOLF CREEK · built 1968 | 6,332 vehicles a day |
| INTERSTATE 80 WB over SR 20 UP RR BNSF AMTRAK · built 1963 | 5,875 vehicles a day |
| INTERSTATE 80 EB over SR 20 UP RR BNSF AMTRAK · built 1963 | 5,875 vehicles a day |
Source: Federal Highway Administration, National Bridge Inventory (2025 submission). Includes state, county and city bridges.
Federal grants paid for $29.5 million of work in Nevada County in fiscal 2025, about $288 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 Nevada 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 Nevada County built: brayden.ozark@gmail.com.
More of California: the state government and every county in California.
Nearby counties: Placer County (16 mi) · Sierra County (23 mi) · Yuba County (31 mi) · El Dorado County (38 mi) · Plumas County (48 mi) · Butte County (51 mi).