39,721 people (2024 Census estimate, +1.4% since 2020)
9,184 square miles of land · 4 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 Fremont County in the area they serve, reporting 22,761 people served in all (a system that crosses county lines counts its whole population).
| RIVERTON, CITY OF surface water · local government · WY5600047 | 10,330 served |
| LANDER, CITY OF surface water · local government · WY5600176 | 7,615 served |
| DUBOIS, TOWN OF groundwater · local government · WY5600177 | 1,822 served |
| SHOSHONI, TOWN OF groundwater · local government · WY5600053 | 515 served |
| HUDSON, TOWN OF groundwater (surface-influenced) · local government · WY5600183 | 460 served |
| GARDENS NORTH HOMEOWNERS ASSOCIATION groundwater · private · WY5600774 | 300 served |
| PAVILLION, TOWN OF groundwater · local government · WY5600039 | 230 served |
| SUNRIDGE ESTATES groundwater · private · WY5601225 | 220 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 164 people were held in Fremont County's jail, in Vera's latest figure (2023), or 686 per 100,000 residents ages 15–64. In 2018 it was about 155.
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 Fremont County. School taxes are usually the largest part of a property tax bill.
Spent $57.9 million — $51.6 million to run schools, about $20,836 per student, plus $4.8 million on buildings and equipment. Money in: $11.2 million local (mostly property tax), $32 million state, $13 million federal.
Spent $37.7 million — $35.2 million to run schools, about $20,393 per student, plus $2.4 million on buildings and equipment. Money in: $10.5 million local (mostly property tax), $20.6 million state, $6.7 million federal.
Spent $25.4 million — $23.3 million to run schools, about $39,111 per student, plus $1.7 million on buildings and equipment. Money in: $2 million local (mostly property tax), $12.6 million state, $7.1 million federal. Long-term debt: $190,000.
Spent $19.7 million — $18.5 million to run schools, about $43,742 per student, plus $311,000 on buildings and equipment. Money in: $1.3 million local (mostly property tax), $9.6 million state, $6.4 million federal.
Spent $21.5 million — $19.3 million to run schools, about $48,705 per student, plus $2 million on buildings and equipment. Money in: $1.3 million local (mostly property tax), $9.9 million state, $9.7 million federal.
Spent $9.7 million — $9.5 million to run schools, about $24,768 per student, plus $161,000 on buildings and equipment. Money in: $8 million local (mostly property tax), $1.7 million state, $1.3 million federal.
Spent $10.7 million — $9.9 million to run schools, about $26,021 per student, plus $839,000 on buildings and equipment. Money in: $2.9 million local (mostly property tax), $6.1 million state, $2 million federal.
Spent $6.2 million — $5.7 million to run schools, about $31,473 per student, plus $477,000 on buildings and equipment. Money in: $3 million local (mostly property tax), $2.3 million state, $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 Low compared with other U.S. counties. FEMA estimates natural hazards cost Fremont County about $18.6 million a year on average in buildings, crops and lives. Ability to bounce back (community resilience): Very Low; social vulnerability: Relatively Moderate.
Source: FEMA National Risk Index (December 2025), expected annual loss. Ratings compare counties nationwide; they're estimates, not predictions.
176 bridges in Fremont County: 84 in good condition, 81 fair, and 11 poor (6.3%). “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.
| Fr Cnty Rd 480 over Pilot Canal · built 1950 | 265 vehicles a day |
| Fr Cnty Rd 412 over Pilot Canal · built 1970 | 151 vehicles a day |
| Fr Cnty Rd 497 over Haymaker Draw · built 1921 | 140 vehicles a day |
| Fr Cnty Rd 476 over Pilot Canal · built 1970 | 127 vehicles a day |
| Fr Cnty Rd 238 over Big Wind River · built 1921 | 81 vehicles a day |
| Fr Cnty Rd 442 over Middle Fork Popo Agie · built 1950 | 80 vehicles a day |
Source: Federal Highway Administration, National Bridge Inventory (2025 submission). Includes state, county and city bridges.
Federal grants paid for $94.8 million of work in Fremont County in fiscal 2025, about $2,415 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 Wyoming 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 Fremont 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 Fremont County built: brayden.ozark@gmail.com.
More of Wyoming: the state government and every county in Wyoming.
Nearby counties: Hot Springs County (47 mi) · Sublette County (69 mi) · Washakie County (74 mi) · Natrona County (93 mi) · Sweetwater County (97 mi) · Big Horn County (106 mi).