108,830 people (2024 Census estimate, +2.8% since 2020)
638 square miles of land · 171 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.
16 active community water systems list Eau Claire County in the area they serve, reporting 85,610 people served in all (a system that crosses county lines counts its whole population).
| EAU CLAIRE WATERWORKS groundwater · local government · WI6180230 | 70,587 served |
| ALTOONA WATERWORKS groundwater · local government · WI6180280 | 9,627 served |
| AUGUSTA WATERWORKS groundwater · local government · WI6180231 | 1,450 served |
| FALL CREEK WATERWORKS groundwater · local government · WI6180296 | 1,269 served |
| HILLCREST ESTATES MHP groundwater · private · WI6180285 | 850 served |
| FAIRCHILD WATERWORKS groundwater · local government · WI6180295 | 451 served |
| VILLA DIANN MHP groundwater · private · WI6180290 | 420 served |
| PINE EDGE MHP groundwater · private · WI6180291 | 300 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 190 people were held in Eau Claire County's jail, in Vera's latest figure (2025). In 2020 it was about 161.
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 Eau Claire County. School taxes are usually the largest part of a property tax bill.
Spent $181.4 million — $157.3 million to run schools, about $14,465 per student, plus $7.6 million on buildings and equipment. Money in: $66.4 million local (mostly property tax), $101.7 million state, $22.1 million federal. Long-term debt: $41 million.
Spent $27.6 million — $24.3 million to run schools, about $12,876 per student, plus $454,000 on buildings and equipment. Money in: $10.8 million local (mostly property tax), $16.7 million state, $2.9 million federal. Long-term debt: $19.6 million.
Spent $31.9 million — $22.6 million to run schools, about $16,163 per student, plus $4.9 million on buildings and equipment. Money in: $12.9 million local (mostly property tax), $13.3 million state, $3.2 million federal. Long-term debt: $42 million.
Spent $12.1 million — $10.7 million to run schools, about $12,301 per student, plus $238,000 on buildings and equipment. Money in: $5.8 million local (mostly property tax), $7.8 million state, $1.2 million federal. Long-term debt: $11.2 million.
Spent $17.4 million — $11.4 million to run schools, about $18,904 per student, plus $3.6 million on buildings and equipment. Money in: $6.6 million local (mostly property tax), $6.7 million state, $3.6 million federal. Long-term debt: $6.8 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 Eau Claire County about $47.9 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.
235 bridges in Eau Claire County: 94 in good condition, 119 fair, and 22 poor (9.4%). “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 12 over OTTER CREEK · built 1988 | 20,800 vehicles a day |
| CTH F JEFFERS RD over CNW RR · built 1965 | 4,900 vehicles a day |
| CTH F over LOWES CREEK · built 1956 | 3,485 vehicles a day |
| USH 53 over OTTER CREEK · built 1985 | 2,000 vehicles a day |
| USH 12-STH 27-LINC over DIAMOND VALLEY CREEK · built 1988 | 1,800 vehicles a day |
| CTH G over BRIDGE CREEK · built 1959 | 1,646 vehicles a day |
Source: Federal Highway Administration, National Bridge Inventory (2025 submission). Includes state, county and city bridges.
Federal grants paid for $38.1 million of work in Eau Claire County in fiscal 2025, about $360 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 Eau Claire 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 Eau Claire County built: brayden.ozark@gmail.com.
More of Wisconsin: the state government and every county in Wisconsin.
Nearby counties: Chippewa County (24 mi) · Pepin County (28 mi) · Trempealeau County (29 mi) · Buffalo County (33 mi) · Clark County (33 mi) · Dunn County (34 mi).