6,444 people (2024 Census estimate, +3.1% since 2020)
2,272 square miles of land · 3 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.
9 active community water systems list Teton County in the area they serve, reporting 3,858 people served in all (a system that crosses county lines counts its whole population).
| CHOTEAU CITY OF groundwater · local government · MT0000175 | 1,691 served |
| FAIRFIELD TOWN OF groundwater · local government · MT0000212 | 718 served |
| TRI COUNTY WATER DISTRICT groundwater · local government · MT0002912 | 470 served |
| DUTTON TOWN OF groundwater · local government · MT0000204 | 338 served |
| POWER TETON COUNTY WATER DIST surface water · local government · MT0000311 | 205 served |
| NEW ROCKPORT COLONY INC groundwater · private · MT0001776 | 160 served |
| BYNUM - TETON CO W & S DISTRICT groundwater · local government · MT0004778 | 100 served |
| ROCKPORT COLONY groundwater · private · MT0001778 | 92 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 2 people were held in Teton County's jail, in Vera's latest figure (1983), or 50 per 100,000 residents ages 15–64. In 1978 it was about 2.
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 Teton County. School taxes are usually the largest part of a property tax bill.
Spent $3.2 million — $3.1 million to run schools, about $12,192 per student. Money in: $1.3 million local (mostly property tax), $1.3 million state, $664,000 federal. Long-term debt: $63,000.
Spent $3.9 million — $2.5 million to run schools, about $11,850 per student, plus $1.3 million on buildings and equipment. Money in: $1.1 million local (mostly property tax), $1.3 million state, $1.3 million federal. Long-term debt: $63,000.
Spent $2.9 million — $2.5 million to run schools, about $18,813 per student, plus $298,000 on buildings and equipment. Money in: $1.6 million local (mostly property tax), $1 million state, $284,000 federal. Long-term debt: $8,000.
Spent $2.9 million — $2.3 million to run schools, about $20,069 per student, plus $523,000 on buildings and equipment. Money in: $1.3 million local (mostly property tax), $1.1 million state, $560,000 federal.
Spent $2.2 million — $2 million to run schools, about $19,476 per student, plus $194,000 on buildings and equipment. Money in: $1.2 million local (mostly property tax), $944,000 state, $7,000 federal. Long-term debt: $57,000.
Spent $1.4 million — $1.3 million to run schools, about $14,788 per student, plus $105,000 on buildings and equipment. Money in: $563,000 local (mostly property tax), $575,000 state, $179,000 federal. Long-term debt: $16,000.
Spent $1.3 million — $1.1 million to run schools, about $16,397 per student, plus $151,000 on buildings and equipment. Money in: $495,000 local (mostly property tax), $629,000 state, $135,000 federal. Long-term debt: $1,000.
Spent $670,000 — $587,000 to run schools, about $13,341 per student. Money in: $96,000 local (mostly property tax), $291,000 state, $279,000 federal. Long-term debt: $2,000.
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: Very Low compared with other U.S. counties. FEMA estimates natural hazards cost Teton County about $8.2 million a year on average in buildings, crops and lives. Ability to bounce back (community resilience): Relatively Moderate; social vulnerability: Relatively Low.
Source: FEMA National Risk Index (December 2025), expected annual loss. Ratings compare counties nationwide; they're estimates, not predictions.
82 bridges in Teton County: 34 in good condition, 45 fair, and 3 poor (3.7%). “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.
| 3RD LN NW over MUDDY CREEK 018 · built 1938 | 100 vehicles a day |
| 8TH LN NE over GREENFIELD SO CANAL 039 · built 1966 | 100 vehicles a day |
| 6TH LN NE over DRAINAGE 129 · built 1974 | 100 vehicles a day |
Source: Federal Highway Administration, National Bridge Inventory (2025 submission). Includes state, county and city bridges.
Federal grants paid for $1.5 million of work in Teton County in fiscal 2025, about $249 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 Teton 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 Teton County built: brayden.ozark@gmail.com.
More of Montana: the state government and every county in Montana.
Nearby counties: Pondera County (28 mi) · Lewis and Clark County (48 mi) · Cascade County (55 mi) · Toole County (62 mi) · Glacier County (69 mi) · Powell County (74 mi).