31,442 people (2024 Census estimate, +4.2% since 2020)
2,021 square miles of land · 16 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.
13 active community water systems list Cass County in the area they serve, reporting 4,540 people served in all (a system that crosses county lines counts its whole population).
| Walker groundwater · local government · MN1110013 | 990 served |
| Pine River groundwater · local government · MN1110019 | 939 served |
| Cass Lake groundwater · local government · MN1110006 | 696 served |
| Pillager groundwater · local government · MN1110030 | 534 served |
| Remer groundwater · local government · MN1110011 | 369 served |
| Hackensack groundwater · local government · MN1110008 | 310 served |
| Backus groundwater · local government · MN1110002 | 267 served |
| The Harbor groundwater · private · MN1111113 | 100 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 48 people were held in Cass County's jail, in Vera's latest figure (2021), or 277 per 100,000 residents ages 15–64. In 2016 it was about 23.
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 Cass County. School taxes are usually the largest part of a property tax bill.
Spent $22 million — $16.5 million to run schools, about $13,250 per student, plus $1.9 million on buildings and equipment. Money in: $4.6 million local (mostly property tax), $13.6 million state, $1.5 million federal. Long-term debt: $24.3 million.
Spent $36.7 million — $26.1 million to run schools, about $22,906 per student, plus $7.9 million on buildings and equipment. Money in: $4.4 million local (mostly property tax), $15.8 million state, $9.8 million federal. Long-term debt: $27 million.
Spent $13.8 million — $12.1 million to run schools, about $13,348 per student, plus $782,000 on buildings and equipment. Money in: $2.9 million local (mostly property tax), $9.2 million state, $1.4 million federal. Long-term debt: $8.1 million.
Spent $14.7 million — $12.8 million to run schools, about $17,418 per student, plus $809,000 on buildings and equipment. Money in: $5 million local (mostly property tax), $8 million state, $3.1 million federal. Long-term debt: $8.7 million.
Spent $11.4 million — $7.6 million to run schools, about $21,033 per student, plus $2.2 million on buildings and equipment. Money in: $3.1 million local (mostly property tax), $5.2 million state, $2.8 million federal. Long-term debt: $21.7 million.
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 Cass County about $13.9 million a year on average in buildings, crops and lives. Ability to bounce back (community resilience): Relatively High; social vulnerability: Relatively High.
Source: FEMA National Risk Index (December 2025), expected annual loss. Ratings compare counties nationwide; they're estimates, not predictions.
85 bridges in Cass County: 40 in good condition, 38 fair, and 7 poor (8.2%). “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.
| CSAH 1 over S FK PINE RIVER · built 1961 | 920 vehicles a day |
| CSAH 65 over STREAM · built 1967 | 320 vehicles a day |
| UT 133 over WILLOW RIVER · built 1957 | 90 vehicles a day |
| M 58 over STONY BROOK · built 1972 | 50 vehicles a day |
| CR 103 over MOSQUITO CREEK · built 1937 | 35 vehicles a day |
| T 74 over MAYO CREEK · built 1985 | 20 vehicles a day |
Source: Federal Highway Administration, National Bridge Inventory (2025 submission). Includes state, county and city bridges.
Federal grants paid for $27.1 million of work in Cass County in fiscal 2025, about $903 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 Minnesota 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 Cass 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 Cass County built: brayden.ozark@gmail.com.
More of Minnesota: the state government and every county in Minnesota.
Nearby counties: Hubbard County (29 mi) · Crow Wing County (34 mi) · Wadena County (40 mi) · Aitkin County (49 mi) · Itasca County (50 mi) · Morrison County (64 mi).