37,865 people (2024 Census estimate, +1.3% since 2020)
890 square miles of land · 43 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 Clinton County in the area they serve, reporting 28,123 people served in all (a system that crosses county lines counts its whole population).
| SUBURBAN LOCK HAVEN WATER AUTH buys surface water · local government · PA4180049 | 9,700 served |
| CITY OF LOCK HAVEN WATER DEPT surface water · local government · PA4180048 | 8,450 served |
| PAWC APPALACHIAN DIST groundwater · private · PA4180067 | 3,000 served |
| WESTERN CLINTON CO MUN AUTH surface water · local government · PA4180058 | 2,610 served |
| BEECH CREEK BOROUGH AUTHORITY groundwater · local government · PA4180035 | 1,800 served |
| CRAWFORD TOWNSHIP AUTHORITY surface water · local government · PA4180062 | 600 served |
| ROTE MUTUAL WATER ASSOCIATION groundwater (surface-influenced) · private · PA4180064 | 481 served |
| PORTER TOWNSHIP MUNICIPAL AUTH surface water · local government · PA4180055 | 425 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 153 people were held in Clinton County's jail, in Vera's latest figure (2023), or 643 per 100,000 residents ages 15–64. In 2018 it was about 256.
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.
1 school district has its office in Clinton County. School taxes are usually the largest part of a property tax bill.
Spent $87.2 million — $81 million to run schools, about $23,176 per student, plus $2.7 million on buildings and equipment. Money in: $36.7 million local (mostly property tax), $43.8 million state, $9.1 million federal. Long-term debt: $27.7 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: Relatively Low compared with other U.S. counties. FEMA estimates natural hazards cost Clinton County about $13.8 million a year on average in buildings, crops and lives. Ability to bounce back (community resilience): Relatively High; social vulnerability: Relatively High.
Source: FEMA National Risk Index (December 2025), expected annual loss. Ratings compare counties nationwide; they're estimates, not predictions.
212 bridges in Clinton County: 89 in good condition, 119 fair, and 4 poor (1.9%). “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.
| EAST CHURCH STREET over FISHING CREEK · built 1973 | 250 vehicles a day |
| SR 4001 over KETTLE CREEK · built 1963 | 203 vehicles a day |
| T-349 over FISHING CREEK · built 1950 | 175 vehicles a day |
| T-537 over FISHING CREEK · built 1901 | 125 vehicles a day |
Source: Federal Highway Administration, National Bridge Inventory (2025 submission). Includes state, county and city bridges.
Federal grants paid for $10.7 million of work in Clinton County in fiscal 2025, about $287 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 Clinton 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 Clinton County built: brayden.ozark@gmail.com.
More of Pennsylvania: the state government and every county in Pennsylvania.
Nearby counties: Centre County (25 mi) · Lycoming County (31 mi) · Cameron County (33 mi) · Union County (35 mi) · Potter County (38 mi) · Tioga County (41 mi).