53,602 people (2024 Census estimate, +2.1% since 2020)
318 square miles of land · 168 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.
10 active community water systems list Calumet County in the area they serve, reporting 21,632 people served in all (a system that crosses county lines counts its whole population).
| HARRISON UTILITIES-FKA WAVERLY SD buys surface water · local government · WI4080076 | 5,500 served |
| CHILTON WATERWORKS groundwater · local government · WI4080222 | 4,191 served |
| BRILLION WATERWORKS groundwater · local government · WI4080221 | 3,262 served |
| SHERWOOD WATERWORKS buys surface water · local government · WI4080271 | 3,114 served |
| NEW HOLSTEIN WATERWORKS groundwater · local government · WI4080270 | 3,012 served |
| HILBERT WATERWORKS groundwater · local government · WI4080269 | 1,176 served |
| STOCKBRIDGE WATERWORKS groundwater · local government · WI4080407 | 680 served |
| FOREST JUNCTION PUB UTIL groundwater · local government · WI4080377 | 487 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 49 people were held in Calumet County's jail, in Vera's latest figure (2025). In 2020 it was about 28.
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.
5 school districts have their office in Calumet County. School taxes are usually the largest part of a property tax bill.
Spent $25.6 million — $17.6 million to run schools, about $15,458 per student, plus $5.1 million on buildings and equipment. Money in: $13.9 million local (mostly property tax), $10.5 million state, $1.8 million federal. Long-term debt: $24.7 million.
Spent $18 million — $12.9 million to run schools, about $12,632 per student, plus $2.2 million on buildings and equipment. Money in: $6.6 million local (mostly property tax), $10.2 million state, $1.9 million federal. Long-term debt: $12.7 million.
Spent $14.2 million — $12.1 million to run schools, about $12,813 per student, plus $492,000 on buildings and equipment. Money in: $5.7 million local (mostly property tax), $9.1 million state, $1.6 million federal. Long-term debt: $9.6 million.
Spent $8.1 million — $6.1 million to run schools, about $13,004 per student, plus $596,000 on buildings and equipment. Money in: $3.7 million local (mostly property tax), $4.7 million state, $976,000 federal. Long-term debt: $9.5 million.
Spent $4.1 million — $2.9 million to run schools, about $14,086 per student, plus $179,000 on buildings and equipment. Money in: $2.1 million local (mostly property tax), $2 million state, $433,000 federal. Long-term debt: $310,000.
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 Calumet County about $18.7 million a year on average in buildings, crops and lives. Ability to bounce back (community resilience): Very High; social vulnerability: Very Low.
Source: FEMA National Risk Index (December 2025), expected annual loss. Ratings compare counties nationwide; they're estimates, not predictions.
63 bridges in Calumet County: 24 in good condition, 28 fair, and 11 poor (17.5%). “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.
| USH 151-STH 32-STH over S BR MANITOWOC RIVER · built 1951 | 9,200 vehicles a day |
| LRD MAIN ST over SPRING CREEK · built 1935 | 5,900 vehicles a day |
| LRD GRAND ST over S BR MANITOWOC RIVER · built 1927 | 1,997 vehicles a day |
| LRD GLENVIEW AVE over SPRING CREEK · built 1974 | 1,900 vehicles a day |
| LRD MCHUGH RD over KILLSNAKE RIVER · built 1924 | 102 vehicles a day |
| LRD LEMKE RD over KILLSNAKE RIVER · built 1918 | 102 vehicles a day |
Source: Federal Highway Administration, National Bridge Inventory (2025 submission). Includes state, county and city bridges.
Federal grants paid for $9.2 million of work in Calumet County in fiscal 2025, about $175 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 Calumet 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 Calumet County built: brayden.ozark@gmail.com.
More of Wisconsin: the state government and every county in Wisconsin.
Nearby counties: Winnebago County (23 mi) · Fond du Lac County (26 mi) · Outagamie County (27 mi) · Brown County (29 mi) · Manitowoc County (32 mi) · Sheboygan County (33 mi).