33,960 people (2024 Census estimate, −5.3% since 2020)
576 square miles of land · 59 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.
3 active community water systems list Greene County in the area they serve, reporting 45,900 people served in all (a system that crosses county lines counts its whole population).
| SOUTHWESTERN PA WATER AUTH surface water · local government · PA5300017 | 40,200 served |
| PA AMERICAN DILLINER SYSTEM surface water · local government · PA5300012 | 4,200 served |
| MT MORRIS WATER & SEWAGE AUTH buys surface water · local government · PA5300015 | 1,500 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 66 people were held in Greene County's jail, in Vera's latest figure (2023), or 303 per 100,000 residents ages 15–64. In 2018 it was about 58.
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 Greene County. School taxes are usually the largest part of a property tax bill.
Spent $36 million — $29.3 million to run schools, about $19,596 per student, plus $3.4 million on buildings and equipment. Money in: $17.4 million local (mostly property tax), $17.3 million state, $4.9 million federal. Long-term debt: $34.1 million.
Spent $20.6 million — $18 million to run schools, about $18,768 per student, plus $52,000 on buildings and equipment. Money in: $5.9 million local (mostly property tax), $12.3 million state, $2.4 million federal. Long-term debt: $25.2 million.
Spent $16.4 million — $14.6 million to run schools, about $18,716 per student, plus $333,000 on buildings and equipment. Money in: $5.9 million local (mostly property tax), $10.1 million state, $1.4 million federal. Long-term debt: $10.4 million.
Spent $17.6 million — $15.5 million to run schools, about $23,109 per student, plus $1.3 million on buildings and equipment. Money in: $11.3 million local (mostly property tax), $7 million state, $1.4 million federal.
Spent $14 million — $11.9 million to run schools, about $20,579 per student, plus $850,000 on buildings and equipment. Money in: $3.4 million local (mostly property tax), $8.8 million state, $2.4 million federal.
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 Greene County about $17 million a year on average in buildings, crops and lives. Ability to bounce back (community resilience): Relatively Moderate; social vulnerability: Relatively Moderate.
Source: FEMA National Risk Index (December 2025), expected annual loss. Ratings compare counties nationwide; they're estimates, not predictions.
306 bridges in Greene County: 114 in good condition, 145 fair, and 47 poor (15.4%). “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.
| SR 0088 over WHITELEY CREEK · built 1930 | 3,099 vehicles a day |
| SR 0088 over TRIB. MONONGAHELA RIVER · built 1922 | 2,677 vehicles a day |
| SR 0221 over BOYD RUN · built 1925 | 2,220 vehicles a day |
| SR 0218 over ROBERTS RUN · built 1932 | 1,866 vehicles a day |
| SR 0218 over ROBERTS RUN · built 1932 | 1,866 vehicles a day |
| SR 1011 over SOUTH FORK TENMILE CREEK · built 1941 | 1,746 vehicles a day |
Source: Federal Highway Administration, National Bridge Inventory (2025 submission). Includes state, county and city bridges.
Federal grants paid for $17.1 million of work in Greene County in fiscal 2025, about $475 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 Greene 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 Greene County built: brayden.ozark@gmail.com.
More of Pennsylvania: the state government and every county in Pennsylvania.
Nearby counties: Monongalia County, WV (17 mi) · Marion County, WV (24 mi) · Marshall County, WV (24 mi) · Washington County (24 mi) · Ohio County, WV (27 mi) · Wetzel County, WV (28 mi).