43,380 people (2024 Census estimate, +2.7% since 2020)
574 square miles of land · 76 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.
11 active community water systems list Pierce County in the area they serve, reporting 26,762 people served in all (a system that crosses county lines counts its whole population).
| RIVER FALLS WATERWORKS groundwater · local government · WI6480246 | 16,000 served |
| PRESCOTT WATERWORKS groundwater · local government · WI6480243 | 4,258 served |
| ELLSWORTH WATERWORKS groundwater · local government · WI6480239 | 3,304 served |
| SPRING VALLEY WATERWORKS groundwater · local government · WI6480249 | 1,409 served |
| ELMWOOD WATERWORKS groundwater · local government · WI6480250 | 798 served |
| BAY CITY WATERWORKS groundwater · local government · WI6480153 | 499 served |
| ST CROIX IMPROVEMENTS groundwater · private · WI6480244 | 175 served |
| PLUM CITY CARE CENTER NURSING HOME groundwater · private · WI6480372 | 120 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 28 people were held in Pierce County's jail, in Vera's latest figure (2025). In 2020 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.
6 school districts have their office in Pierce County. School taxes are usually the largest part of a property tax bill.
Spent $49.1 million — $41.6 million to run schools, about $11,933 per student, plus $2.5 million on buildings and equipment. Money in: $21.9 million local (mostly property tax), $29.6 million state, $5.1 million federal. Long-term debt: $54.2 million.
Spent $26.4 million — $22.7 million to run schools, about $13,966 per student, plus $1.5 million on buildings and equipment. Money in: $9.6 million local (mostly property tax), $15.7 million state, $2.3 million federal. Long-term debt: $27.2 million.
Spent $23.9 million — $18.9 million to run schools, about $15,185 per student, plus $2.7 million on buildings and equipment. Money in: $10.4 million local (mostly property tax), $12.9 million state, $2.3 million federal. Long-term debt: $47.8 million.
Spent $13.3 million — $9.6 million to run schools, about $13,545 per student, plus $1.2 million on buildings and equipment. Money in: $4.8 million local (mostly property tax), $8 million state, $1.1 million federal. Long-term debt: $19.3 million.
Spent $6.7 million — $5.3 million to run schools, about $16,604 per student, plus $690,000 on buildings and equipment. Money in: $3 million local (mostly property tax), $3.7 million state, $588,000 federal.
Spent $5.5 million — $4.9 million to run schools, about $20,225 per student, plus $16,000 on buildings and equipment. Money in: $2.3 million local (mostly property tax), $2.7 million state, $414,000 federal. Long-term debt: $1.7 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: Very Low compared with other U.S. counties. FEMA estimates natural hazards cost Pierce County about $18.8 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.
250 bridges in Pierce County: 147 in good condition, 93 fair, and 10 poor (4.0%). “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.
| CTH VV over CTH K · built 1931 | 2,000 vehicles a day |
| CTH O over BR S FK KINNICKINNIC R · built 1986 | 957 vehicles a day |
| STH 72 over PLUM CREEK · built 1956 | 730 vehicles a day |
| CTH A over CRYSTAL SPRINGS CREEK · built 1930 | 225 vehicles a day |
| LRD 770TH AVE over TRIMBELLE RIVER · built 1979 | 125 vehicles a day |
| LRD 1005TH ST over WIND RIVER · built 1925 | 87 vehicles a day |
Source: Federal Highway Administration, National Bridge Inventory (2025 submission). Includes state, county and city bridges.
Federal grants paid for $11.3 million of work in Pierce County in fiscal 2025, about $268 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 Pierce 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 Pierce County built: brayden.ozark@gmail.com.
More of Wisconsin: the state government and every county in Wisconsin.
Nearby counties: St. Croix County (21 mi) · Goodhue County, MN (26 mi) · Pepin County (30 mi) · Dunn County (30 mi) · Washington County, MN (31 mi) · Dakota County, MN (31 mi).