6,235 people (2024 Census estimate, +1.5% since 2020)
758 square miles of land · 8 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.
5 active community water systems list Iron County in the area they serve, reporting 3,564 people served in all (a system that crosses county lines counts its whole population).
| HURLEY WATERWORKS buys groundwater · local government · WI8260116 | 1,515 served |
| MONTREAL WATERWORKS groundwater · local government · WI8260121 | 887 served |
| MERCER SANITARY DISTRICT groundwater · local government · WI8260120 | 760 served |
| IRON BELT WATERWORKS groundwater · local government · WI8260118 | 211 served |
| PENCE WATERWORKS buys groundwater · local government · WI8260122 | 191 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 7 people were held in Iron County's jail, in Vera's latest figure (2025). In 2020 it was about 4.
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.
2 school districts have their office in Iron County. School taxes are usually the largest part of a property tax bill.
Spent $8.4 million — $7.6 million to run schools, about $13,846 per student, plus $573,000 on buildings and equipment. Money in: $2.4 million local (mostly property tax), $5 million state, $1.1 million federal.
Spent $3.7 million — $2.9 million to run schools, about $23,813 per student, plus $63,000 on buildings and equipment. Money in: $2.4 million local (mostly property tax), $827,000 state, $586,000 federal. Long-term debt: $342,000.
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 Iron County about $3.9 million a year on average in buildings, crops and lives. Ability to bounce back (community resilience): Relatively Low; social vulnerability: Relatively High.
Source: FEMA National Risk Index (December 2025), expected annual loss. Ratings compare counties nationwide; they're estimates, not predictions.
48 bridges in Iron County: 23 in good condition, 23 fair, and 2 poor (4.2%). “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.
| LRD TOWN PARK DR ( over W BR MONTREAL RIVER · built 1957 | 99 vehicles a day |
| IRR BIA RTE 10 over FLAMBEAU BEAR RIVER · built 1932 | 50 vehicles a day |
Source: Federal Highway Administration, National Bridge Inventory (2025 submission). Includes state, county and city bridges.
Federal grants paid for $7 million of work in Iron County in fiscal 2025, about $1,139 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 Wisconsin 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 Iron 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 Iron County built: brayden.ozark@gmail.com.
More of Wisconsin: the state government and every county in Wisconsin.
Nearby counties: Ashland County (25 mi) · Gogebic County, MI (25 mi) · Vilas County (41 mi) · Price County (45 mi) · Bayfield County (49 mi) · Sawyer County (53 mi).