6,494 people (2024 Census estimate, −1.1% since 2020)
511 square miles of land · 13 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.
7 active community water systems list Fremont County in the area they serve, reporting 4,080 people served in all (a system that crosses county lines counts its whole population).
| SIDNEY WATER SUPPLY surface water · local government · IA3661048 | 1,077 served |
| TABOR WATER SUPPLY groundwater · local government · IA3667012 | 1,014 served |
| HAMBURG WATER SUPPLY groundwater · local government · IA3621023 | 890 served |
| FARRAGUT WATER SUPPLY groundwater · local government · IA3615040 | 490 served |
| RIVERTON WATER WORKS groundwater · local government · IA3655071 | 250 served |
| RANDOLPH WATER WORKS groundwater · local government · IA3649072 | 192 served |
| THURMAN WATER WORKS groundwater · local government · IA3671021 | 167 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 18 people were held in Fremont County's jail, in Vera's latest figure (2019), or 451 per 100,000 residents ages 15–64. In 2014 it was about 9.
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.
3 school districts have their office in Fremont County. School taxes are usually the largest part of a property tax bill.
Spent $8.4 million — $6.5 million to run schools, about $12,639 per student, plus $1.1 million on buildings and equipment. Money in: $4.6 million local (mostly property tax), $3.3 million state, $507,000 federal. Long-term debt: $9.1 million.
Spent $7.7 million — $6.3 million to run schools, about $13,484 per student, plus $487,000 on buildings and equipment. Money in: $4.2 million local (mostly property tax), $3.8 million state, $540,000 federal. Long-term debt: $6.1 million.
Spent $4.3 million — $3.5 million to run schools, about $20,276 per student, plus $418,000 on buildings and equipment. Money in: $2.1 million local (mostly property tax), $2.1 million state, $238,000 federal. Long-term debt: $481,000.
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 Fremont County about $6.7 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.
179 bridges in Fremont County: 59 in good condition, 82 fair, and 38 poor (21.2%). “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.
| IA 2 over DRAINAGE DITCH · built 1953 | 1,630 vehicles a day |
| IA 2 over DRAINAGE DITCH · built 1953 | 1,630 vehicles a day |
| IA 2 over STREAM · built 1953 | 1,630 vehicles a day |
| 370 AVENUE over E NISHNA RIVER OVERFLOW · built 1957 | 771 vehicles a day |
| FM J018 over WALNUT CREEK · built 1951 | 750 vehicles a day |
| 195 AVENUE over MULE SLOUGH · built 2008 | 577 vehicles a day |
Source: Federal Highway Administration, National Bridge Inventory (2025 submission). Includes state, county and city bridges.
Federal grants paid for $12.8 million of work in Fremont County in fiscal 2025, about $1,931 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 Iowa 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 Iowa: the state government and every county in Iowa.
Nearby counties: Mills County (20 mi) · Atchison County, MO (23 mi) · Page County (24 mi) · Nemaha County, NE (28 mi) · Otoe County, NE (29 mi) · Montgomery County (30 mi).