48,187 people (2024 Census estimate, +8.5% since 2020)
2,391 square miles of land · 20 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.
24 active community water systems list Ravalli County in the area they serve, reporting 11,341 people served in all (a system that crosses county lines counts its whole population).
| HAMILTON CITY OF groundwater · local government · MT0000234 | 5,660 served |
| STEVENSVILLE TOWN OF groundwater · local government · MT0000335 | 2,090 served |
| DARBY TOWN OF groundwater · local government · MT0000195 | 850 served |
| PINESDALE TOWN OF surface water · local government · MT0002926 | 800 served |
| TRAPPER CREEK JOB CORPS groundwater · federal · MT0062207 | 275 served |
| KOOTENAI CREEK VILLAGE groundwater · private · MT0004241 | 175 served |
| STOCK FARM THE groundwater · private · MT0003982 | 150 served |
| CORVALLIS MOBILE VILLAGE groundwater · private · MT0002799 | 138 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 54 people were held in Ravalli County's jail, in Vera's latest figure (2021), or 201 per 100,000 residents ages 15–64. In 2016 it was about 58.
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.
8 school districts have their office in Ravalli County. School taxes are usually the largest part of a property tax bill.
Spent $21.1 million — $18.8 million to run schools, about $11,260 per student, plus $1.9 million on buildings and equipment. Money in: $8.4 million local (mostly property tax), $9.5 million state, $3.8 million federal. Long-term debt: $9.2 million.
Spent $15.3 million — $14.5 million to run schools, about $10,829 per student, plus $596,000 on buildings and equipment. Money in: $5.7 million local (mostly property tax), $8.5 million state, $2 million federal. Long-term debt: $988,000.
Spent $10.9 million — $9.4 million to run schools, about $11,908 per student, plus $678,000 on buildings and equipment. Money in: $4.8 million local (mostly property tax), $5.2 million state, $809,000 federal. Long-term debt: $15.9 million.
Spent $6.9 million — $6.2 million to run schools, about $9,480 per student, plus $116,000 on buildings and equipment. Money in: $3.7 million local (mostly property tax), $3.7 million state, $495,000 federal. Long-term debt: $15.3 million.
Spent $6.6 million — $5.8 million to run schools, about $16,573 per student, plus $150,000 on buildings and equipment. Money in: $3.4 million local (mostly property tax), $2.6 million state, $1.2 million federal. Long-term debt: $14.8 million.
Spent $6 million — $5 million to run schools, about $15,285 per student, plus $887,000 on buildings and equipment. Money in: $2.4 million local (mostly property tax), $2.3 million state, $1.3 million federal. Long-term debt: $1,000.
Spent $2.8 million — $2.7 million to run schools, about $10,484 per student, plus $19,000 on buildings and equipment. Money in: $1.2 million local (mostly property tax), $1.3 million state, $398,000 federal. Long-term debt: $329,000.
Spent $4.7 million — $4.1 million to run schools, about $17,242 per student, plus $547,000 on buildings and equipment. Money in: $1.6 million local (mostly property tax), $1.8 million state, $1.4 million federal. Long-term debt: $1.2 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 Low compared with other U.S. counties. FEMA estimates natural hazards cost Ravalli County about $37 million a year on average in buildings, crops and lives. Ability to bounce back (community resilience): Relatively Low; social vulnerability: Relatively Moderate.
Source: FEMA National Risk Index (December 2025), expected annual loss. Ratings compare counties nationwide; they're estimates, not predictions.
150 bridges in Ravalli County: 61 in good condition, 77 fair, and 12 poor (8.0%). “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.
| SKALKAHO HWY over SKALKAHO CREEK 053 · built 1941 | 1,713 vehicles a day |
| VICTOR CROSSING W over BITTERROOT RIVER 020 · built 1984 | 746 vehicles a day |
| VICTOR CROSSING E over BITTERROOT RIVER 017 · built 1984 | 746 vehicles a day |
| QUAST LN over SURPRISE DITCH 060 · built 1918 | 537 vehicles a day |
| SKALKAHO HWY over CANAL 058 · built 1941 | 331 vehicles a day |
| NO DATA ENTERED over ROCK CR · built 1970 | 136 vehicles a day |
Source: Federal Highway Administration, National Bridge Inventory (2025 submission). Includes state, county and city bridges.
Federal grants paid for $22 million of work in Ravalli County in fiscal 2025, about $497 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 Montana 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 Ravalli 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 Ravalli County built: brayden.ozark@gmail.com.
More of Montana: the state government and every county in Montana.
Nearby counties: Granite County (39 mi) · Deer Lodge County (46 mi) · Missoula County (66 mi) · Idaho County, ID (67 mi) · Silver Bow County (70 mi) · Powell County (77 mi).