42,343 people (2024 Census estimate, +1.1% since 2020)
1,399 square miles of land · 30 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 Marinette County in the area they serve, reporting 19,061 people served in all (a system that crosses county lines counts its whole population).
| MARINETTE WATERWORKS surface water · local government · WI4380395 | 10,968 served |
| PESHTIGO WATERWORKS groundwater · local government · WI4380442 | 3,420 served |
| NIAGARA WATERWORKS groundwater · local government · WI4380439 | 1,561 served |
| CRIVITZ WATERWORKS groundwater · local government · WI4380411 | 1,026 served |
| COLEMAN WATERWORKS groundwater · local government · WI4380436 | 727 served |
| WAUSAUKEE WATERWORKS groundwater · local government · WI4380445 | 585 served |
| GOODMAN SANITARY DIST NO 1 groundwater · local government · WI4380438 | 350 served |
| POUND WATERWORKS groundwater · local government · WI4380444 | 349 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 131 people were held in Marinette County's jail, in Vera's latest figure (2025). In 2020 it was about 108.
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 Marinette County. School taxes are usually the largest part of a property tax bill.
Spent $34.6 million — $26.1 million to run schools, about $13,576 per student, plus $4.6 million on buildings and equipment. Money in: $9.8 million local (mostly property tax), $22.6 million state, $5 million federal. Long-term debt: $37.7 million.
Spent $17.9 million — $14.3 million to run schools, about $13,293 per student, plus $2.2 million on buildings and equipment. Money in: $6.7 million local (mostly property tax), $10.2 million state, $2 million federal. Long-term debt: $645,000.
Spent $12.4 million — $10.4 million to run schools, about $13,152 per student, plus $868,000 on buildings and equipment. Money in: $6 million local (mostly property tax), $4.5 million state, $1.8 million federal.
Spent $12 million — $9.4 million to run schools, about $12,799 per student, plus $876,000 on buildings and equipment. Money in: $5.7 million local (mostly property tax), $7 million state, $1.5 million federal. Long-term debt: $9.6 million.
Spent $6.9 million — $6.2 million to run schools, about $14,074 per student, plus $184,000 on buildings and equipment. Money in: $2.5 million local (mostly property tax), $3.9 million state, $1.1 million federal. Long-term debt: $5.3 million.
Spent $7.8 million — $6.1 million to run schools, about $16,097 per student, plus $355,000 on buildings and equipment. Money in: $4.2 million local (mostly property tax), $2.2 million state, $1.4 million federal.
Spent $5.6 million — $4.8 million to run schools, about $20,217 per student, plus $63,000 on buildings and equipment. Money in: $3.3 million local (mostly property tax), $1.8 million state, $657,000 federal.
Spent $2.6 million — $2.2 million to run schools, about $28,346 per student, plus $77,000 on buildings and equipment. Money in: $1.8 million local (mostly property tax), $678,000 state, $358,000 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 Marinette County about $41.3 million a year on average in buildings, crops and lives. Ability to bounce back (community resilience): Relatively High; social vulnerability: Relatively Moderate.
Source: FEMA National Risk Index (December 2025), expected annual loss. Ratings compare counties nationwide; they're estimates, not predictions.
135 bridges in Marinette County: 76 in good condition, 47 fair, and 12 poor (8.9%). “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.
| CTH W over LITTLE PESHTIGO RIVER · built 1920 | 1,700 vehicles a day |
| CTH JJ over MENOMINEE RIVER · built 1967 | 900 vehicles a day |
| CTH C over PESHTIGO RIVER · built 1975 | 900 vehicles a day |
| CTH Z over MENOMINEE RIVER · built 1972 | 603 vehicles a day |
| CTH C over WAUSAUKEE RIVER · built 1920 | 560 vehicles a day |
| CTH K over PIKE RIVER · built 1978 | 512 vehicles a day |
Source: Federal Highway Administration, National Bridge Inventory (2025 submission). Includes state, county and city bridges.
Federal grants paid for $9.3 million of work in Marinette County in fiscal 2025, about $221 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 Marinette 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 Marinette County built: brayden.ozark@gmail.com.
More of Wisconsin: the state government and every county in Wisconsin.
Nearby counties: Oconto County (26 mi) · Menominee County, MI (27 mi) · Menominee County (41 mi) · Florence County (41 mi) · Forest County (44 mi) · Dickinson County, MI (46 mi).