113,873 people (2024 Census estimate, +5.3% since 2020)
697 square miles of land · 163 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.
33 active community water systems list Cass County in the area they serve, reporting 667,465 people served in all (a system that crosses county lines counts its whole population).
| KANSAS CITY PWS surface water · local government · MO1010415 | 553,295 served |
| BELTON PWS buys surface water · local government · MO1010061 | 23,598 served |
| RAYMORE PWS buys surface water · local government · MO1010675 | 21,517 served |
| HARRISONVILLE PWS surface water · local government · MO1010349 | 10,250 served |
| PLEASANT HILL PWS buys surface water · local government · MO1010649 | 8,262 served |
| PECULIAR PWS buys surface water · local government · MO1010633 | 6,226 served |
| CASS COUNTY PWSD 9 buys groundwater · local government · MO1024118 | 6,063 served |
| CASS COUNTY PWSD 2 buys surface water · local government · MO1024114 | 4,650 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 206 people were held in Cass County's jail, in Vera's latest figure (2023), or 293 per 100,000 residents ages 15–64. In 2018 it was about 173.
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.
10 school districts have their office in Cass County. School taxes are usually the largest part of a property tax bill.
Spent $124.6 million — $74.9 million to run schools, about $11,743 per student, plus $44.7 million on buildings and equipment. Money in: $50.1 million local (mostly property tax), $41.1 million state, $7.5 million federal. Long-term debt: $102.1 million.
Spent $72.4 million — $59.4 million to run schools, about $13,685 per student, plus $8 million on buildings and equipment. Money in: $32 million local (mostly property tax), $31.8 million state, $10.3 million federal. Long-term debt: $62.2 million.
Spent $39 million — $28.6 million to run schools, about $12,973 per student, plus $8.3 million on buildings and equipment. Money in: $19.5 million local (mostly property tax), $12.9 million state, $4.9 million federal. Long-term debt: $30.5 million.
Spent $33.6 million — $22.7 million to run schools, about $10,313 per student, plus $9.6 million on buildings and equipment. Money in: $14.3 million local (mostly property tax), $13.2 million state, $2 million federal. Long-term debt: $13.8 million.
Spent $10.5 million — $8.8 million to run schools, about $10,960 per student, plus $1.5 million on buildings and equipment. Money in: $4.8 million local (mostly property tax), $5.4 million state, $1.9 million federal. Long-term debt: $5.1 million.
Spent $7.3 million — $5.8 million to run schools, about $11,293 per student, plus $1.2 million on buildings and equipment. Money in: $2.9 million local (mostly property tax), $3.2 million state, $577,000 federal. Long-term debt: $3.9 million.
Spent $6.5 million — $5.9 million to run schools, about $13,183 per student, plus $201,000 on buildings and equipment. Money in: $4.2 million local (mostly property tax), $2.9 million state, $1.2 million federal. Long-term debt: $4.6 million.
Spent $4.5 million — $4.2 million to run schools, about $14,479 per student, plus $139,000 on buildings and equipment. Money in: $1.9 million local (mostly property tax), $2.2 million state, $664,000 federal. Long-term debt: $2.9 million.
And 2 more.
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 $44.3 million a year on average in buildings, crops and lives. Ability to bounce back (community resilience): Relatively Moderate; social vulnerability: Very Low.
Source: FEMA National Risk Index (December 2025), expected annual loss. Ratings compare counties nationwide; they're estimates, not predictions.
378 bridges in Cass County: 141 in good condition, 206 fair, and 31 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.
| MO 2 E over PONEY CR · built 1972 | 3,976 vehicles a day |
| RT A E over IS 49 · built 1972 | 3,075 vehicles a day |
| RT D S over COLDWATER CR · built 1972 | 1,298 vehicles a day |
| RT C S over IS 49 · built 1968 | 1,156 vehicles a day |
| RT B E over EIGHTMILE CR · built 1965 | 1,083 vehicles a day |
| RT Y S over CHANDLER CR · built 1956 | 838 vehicles a day |
Source: Federal Highway Administration, National Bridge Inventory (2025 submission). Includes state, county and city bridges.
Federal grants paid for $51.6 million of work in Cass County in fiscal 2025, about $479 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 Missouri 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 Missouri: the state government and every county in Missouri.
Nearby counties: Jackson County (25 mi) · Miami County, KS (26 mi) · Bates County (27 mi) · Johnson County (30 mi) · Johnson County, KS (30 mi) · Henry County (35 mi).