81,513 people (2024 Census estimate, +0.1% since 2020)
589 square miles of land · 138 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.
14 active community water systems list Manitowoc County in the area they serve, reporting 57,255 people served in all (a system that crosses county lines counts its whole population).
| MANITOWOC WATERWORKS surface water · local government · WI4360364 | 34,500 served |
| TWO RIVERS WATERWORKS surface water · local government · WI4360436 | 11,270 served |
| KIEL WATERWORKS groundwater · local government · WI4360427 | 3,932 served |
| CLEVELAND WATERWORKS groundwater · local government · WI4360426 | 1,524 served |
| MISHICOT WATERWORKS groundwater · local government · WI4360430 | 1,432 served |
| REEDSVILLE WATERWORKS groundwater · local government · WI4360431 | 1,200 served |
| VALDERS WATERWORKS groundwater · local government · WI4360437 | 954 served |
| WHITELAW WATERWORKS groundwater · local government · WI4360439 | 757 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 141 people were held in Manitowoc County's jail, in Vera's latest figure (2025). In 2020 it was about 145.
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.
6 school districts have their office in Manitowoc County. School taxes are usually the largest part of a property tax bill.
Spent $80.7 million — $73 million to run schools, about $15,452 per student, plus $1 million on buildings and equipment. Money in: $17.4 million local (mostly property tax), $51.7 million state, $14.5 million federal. Long-term debt: $1 million.
Spent $27 million — $22.7 million to run schools, about $12,686 per student, plus $1.6 million on buildings and equipment. Money in: $9.6 million local (mostly property tax), $18.9 million state, $3.7 million federal. Long-term debt: $2.3 million.
Spent $20.4 million — $17.7 million to run schools, about $14,466 per student, plus $98,000 on buildings and equipment. Money in: $9.5 million local (mostly property tax), $10.7 million state, $1.9 million federal. Long-term debt: $12.1 million.
Spent $15.5 million — $13.4 million to run schools, about $13,767 per student, plus $418,000 on buildings and equipment. Money in: $7.6 million local (mostly property tax), $8.9 million state, $1.8 million federal. Long-term debt: $5.8 million.
Spent $14.8 million — $12.1 million to run schools, about $13,217 per student, plus $1.5 million on buildings and equipment. Money in: $5.9 million local (mostly property tax), $8.1 million state, $1.7 million federal. Long-term debt: $6.9 million.
Spent $15.7 million — $12.3 million to run schools, about $21,012 per student, plus $1.6 million on buildings and equipment. Money in: $3.1 million local (mostly property tax), $7.3 million state, $1.5 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 Manitowoc County about $32.4 million a year on average in buildings, crops and lives. Ability to bounce back (community resilience): Very High; social vulnerability: Relatively Low.
Source: FEMA National Risk Index (December 2025), expected annual loss. Ratings compare counties nationwide; they're estimates, not predictions.
277 bridges in Manitowoc County: 122 in good condition, 142 fair, and 13 poor (4.7%). “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.
| STH 42 over MANITOWOC RIVER · built 1987 | 10,900 vehicles a day |
| STH 32-STH 57 over SHEBOYGAN RIVER · built 1958 | 3,200 vehicles a day |
| CTH Q over LITTLE MANITOWOC RIVER · built 1958 | 3,000 vehicles a day |
| CTH Q over BR W TWIN RIVER · built 1964 | 2,250 vehicles a day |
| CTH CS over SILVER CREEK · built 1969 | 1,800 vehicles a day |
| CTH Q over W TWIN RIVER · built 1939 | 1,300 vehicles a day |
Source: Federal Highway Administration, National Bridge Inventory (2025 submission). Includes state, county and city bridges.
Federal grants paid for $16.4 million of work in Manitowoc County in fiscal 2025, about $201 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 Manitowoc 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 Manitowoc County built: brayden.ozark@gmail.com.
More of Wisconsin: the state government and every county in Wisconsin.
Nearby counties: Sheboygan County (30 mi) · Brown County (30 mi) · Kewaunee County (32 mi) · Calumet County (32 mi) · Ozaukee County (47 mi) · Outagamie County (48 mi).