36,855 people (2024 Census estimate, −0.9% since 2020)
601 square miles of land · 61 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.
14 active community water systems list Clarion County in the area they serve, reporting 22,802 people served in all (a system that crosses county lines counts its whole population).
| PA AMERICAN WATER CO CLARION surface water · private · PA6160001 | 10,372 served |
| REDBANK VALLEY MUN AUTH surface water · local government · PA6160010 | 3,150 served |
| RIMERSBURG BORO MUNI AUTH buys groundwater · local government · PA6160012 | 1,873 served |
| HAWTHORN REDBANK REDBANK MA surface water · local government · PA6160026 | 1,500 served |
| KNOX WATER WORKS groundwater · local government · PA6160005 | 1,380 served |
| EAST BRADY WATER SYSTEM groundwater · local government · PA6160003 | 1,040 served |
| FOXBURG AREA WATER & SEWER AUT groundwater · local government · PA6160004 | 925 served |
| PAWC CORNER groundwater · private · PA6160027 | 857 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 76 people were held in Clarion County's jail, in Vera's latest figure (2023), or 323 per 100,000 residents ages 15–64. In 2018 it was about 101.
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.
7 school districts have their office in Clarion County. School taxes are usually the largest part of a property tax bill.
Spent $21.3 million — $19.4 million to run schools, about $20,001 per student, plus $303,000 on buildings and equipment. Money in: $5.3 million local (mostly property tax), $14.4 million state, $2.9 million federal. Long-term debt: $5.4 million.
Spent $18.4 million — $16.2 million to run schools, about $19,483 per student, plus $791,000 on buildings and equipment. Money in: $5.9 million local (mostly property tax), $12.1 million state, $1.5 million federal.
Spent $19.7 million — $15.8 million to run schools, about $20,171 per student, plus $3.1 million on buildings and equipment. Money in: $5.9 million local (mostly property tax), $9.8 million state, $1 million federal. Long-term debt: $6.3 million.
Spent $15.9 million — $13.9 million to run schools, about $17,795 per student, plus $1.2 million on buildings and equipment. Money in: $8.7 million local (mostly property tax), $6.8 million state, $2.3 million federal. Long-term debt: $8.9 million.
Spent $13.6 million — $10.4 million to run schools, about $17,137 per student, plus $2.6 million on buildings and equipment. Money in: $4.1 million local (mostly property tax), $6.4 million state, $1.3 million federal. Long-term debt: $4.5 million.
Spent $16.4 million — $15.3 million to run schools, about $25,798 per student, plus $70,000 on buildings and equipment. Money in: $4.7 million local (mostly property tax), $10.1 million state, $1.5 million federal. Long-term debt: $2.6 million.
Spent $17.5 million — $11.9 million to run schools, about $21,172 per student, plus $4.6 million on buildings and equipment. Money in: $3.1 million local (mostly property tax), $9.6 million state, $1.2 million federal. Long-term debt: $5.2 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 Clarion County about $8.7 million a year on average in buildings, crops and lives. Ability to bounce back (community resilience): Relatively High; social vulnerability: Relatively Moderate.
Source: FEMA National Risk Index (December 2025), expected annual loss. Ratings compare counties nationwide; they're estimates, not predictions.
172 bridges in Clarion County: 47 in good condition, 113 fair, and 12 poor (7.0%). “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.
| SR 0080 WB over SR 4005 & CANOE CREEK · built 1966 | 9,530 vehicles a day |
| T-921 TOWN RUN RD over TOWN RUN · built 1937 | 350 vehicles a day |
| T-865 CAMP COFFMAN over EAST SANDY CREEK · built 1961 | 200 vehicles a day |
| T-327 SHETTLER RD over CANOE CREEK · built 1902 | 50 vehicles a day |
| T-403 BURNT MILLS over BEAVER CREEK · built 1970 | 50 vehicles a day |
| T-385 EAGLE FURNAC over CANOE CREEK · built 1960 | 50 vehicles a day |
Source: Federal Highway Administration, National Bridge Inventory (2025 submission). Includes state, county and city bridges.
Federal grants paid for $8.3 million of work in Clarion County in fiscal 2025, about $223 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 Pennsylvania 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 Clarion 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 Clarion County built: brayden.ozark@gmail.com.
More of Pennsylvania: the state government and every county in Pennsylvania.
Nearby counties: Jefferson County (22 mi) · Venango County (23 mi) · Forest County (23 mi) · Armstrong County (27 mi) · Butler County (32 mi) · Indiana County (41 mi).