27,492 people (2024 Census estimate, +3.3% since 2020)
557 square miles of land · 49 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.
24 active community water systems list Cass County in the area they serve, reporting 24,176 people served in all (a system that crosses county lines counts its whole population).
| PLATTSMOUTH, CITY OF groundwater · local government · NE3102501 | 6,680 served |
| BEAVER LAKE ASSOCIATION INC surface water · private · NE3102502 | 3,144 served |
| CASS CO RWD 1 groundwater · local government · NE3102521 | 2,988 served |
| CASS CO RWD 2 groundwater · local government · NE3120304 | 1,860 served |
| CASS CO SID 5 - BUCCANEER BAY groundwater · local government · NE3120035 | 1,417 served |
| LOUISVILLE, CITY OF groundwater · local government · NE3102512 | 1,400 served |
| WEEPING WATER, CITY OF groundwater · local government · NE3102506 | 1,107 served |
| EAGLE, VILLAGE OF groundwater · local government · NE3102510 | 1,065 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 84 people were held in Cass County's jail, in Vera's latest figure (2019), or 502 per 100,000 residents ages 15–64. In 2014 it was about 76.
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 $22.9 million — $21.2 million to run schools, about $14,084 per student, plus $584,000 on buildings and equipment. Money in: $14.5 million local (mostly property tax), $7.4 million state, $3.8 million federal. Long-term debt: $15.8 million.
Spent $13.2 million — $11.4 million to run schools, about $16,054 per student, plus $1.6 million on buildings and equipment. Money in: $10.6 million local (mostly property tax), $1.7 million state, $821,000 federal. Long-term debt: $2.2 million.
Spent $10.9 million — $9.5 million to run schools, about $13,520 per student, plus $1 million on buildings and equipment. Money in: $8.2 million local (mostly property tax), $2.8 million state, $453,000 federal. Long-term debt: $2.8 million.
Spent $7.4 million — $7.2 million to run schools, about $14,386 per student, plus $100,000 on buildings and equipment. Money in: $6 million local (mostly property tax), $1.8 million state, $322,000 federal. Long-term debt: $3.3 million.
Spent $6.9 million — $6.6 million to run schools, about $21,252 per student, plus $47,000 on buildings and equipment. Money in: $5.7 million local (mostly property tax), $1.3 million state, $551,000 federal. Long-term debt: $8.1 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: Very Low compared with other U.S. counties. FEMA estimates natural hazards cost Cass County about $15.4 million a year on average in buildings, crops and lives. Ability to bounce back (community resilience): Relatively High; social vulnerability: Very Low.
Source: FEMA National Risk Index (December 2025), expected annual loss. Ratings compare counties nationwide; they're estimates, not predictions.
273 bridges in Cass County: 121 in good condition, 118 fair, and 34 poor (12.5%). “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.
| N50 over BNSF RR 073-015-R · built 1957 | 6,570 vehicles a day |
| N50 over N BR WEEPING WATER CK TR · built 1953 | 4,360 vehicles a day |
| 2ND STREET over MILL CREEK · built 1935 | 1,500 vehicles a day |
| US34 over S BR WEEPING WATER CREEK · built 1989 | 1,405 vehicles a day |
| OLD US34 over MISSOURI RIVER · built 1929 | 1,385 vehicles a day |
| RANDOLPH STREET over WEEPING WATER CR NO BR · built 1983 | 600 vehicles a day |
Source: Federal Highway Administration, National Bridge Inventory (2025 submission). Includes state, county and city bridges.
Federal grants paid for $4.5 million of work in Cass County in fiscal 2025, about $169 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 Nebraska 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 Nebraska: the state government and every county in Nebraska.
Nearby counties: Sarpy County (14 mi) · Otoe County (19 mi) · Douglas County (27 mi) · Mills County, IA (29 mi) · Lancaster County (30 mi) · Fremont County, IA (31 mi).