210,434 people (2024 Census estimate, +0.5% since 2020)
857 square miles of land · 246 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.
9 active community water systems list Washington County in the area they serve, reporting 43,721 people served in all (a system that crosses county lines counts its whole population).
| AUTH OF BORO OF CHARLEROI surface water · local government · PA5630039 | 27,000 served |
| TRI CNTY JT MUNI AUTH surface water · local government · PA5630045 | 10,100 served |
| BENTLEYVILLE MUNI AUTH buys surface water · local government · PA5630030 | 2,600 served |
| ELLSWORTH BORO WATER DEPT buys surface water · local government · PA5630044 | 1,250 served |
| DONEGAL TOWNSHIP buys surface water · local government · PA5630068 | 820 served |
| SOUTH PARK MHC LLC buys surface water · private · PA5630077 | 740 served |
| MARIANNA MUNI WATER WORKS buys surface water · local government · PA5630050 | 480 served |
| WASHINGTON ESTATES II MHC LLC buys surface water · private · PA5630079 | 373 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 340 people were held in Washington County's jail, in Vera's latest figure (2023), or 263 per 100,000 residents ages 15–64. In 2018 it was about 402.
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.
15 school districts have their office in Washington County. School taxes are usually the largest part of a property tax bill.
Spent $117.1 million — $82.2 million to run schools, about $15,364 per student, plus $18.3 million on buildings and equipment. Money in: $80.1 million local (mostly property tax), $28.8 million state, $3.1 million federal. Long-term debt: $191.2 million.
Spent $76 million — $67.4 million to run schools, about $17,148 per student, plus $1.3 million on buildings and equipment. Money in: $61.5 million local (mostly property tax), $18.6 million state, $1.5 million federal. Long-term debt: $130.7 million.
Spent $100.1 million — $62.8 million to run schools, about $19,143 per student, plus $30.2 million on buildings and equipment. Money in: $42.3 million local (mostly property tax), $25.8 million state, $5 million federal. Long-term debt: $104.2 million.
Spent $55.4 million — $44.5 million to run schools, about $16,868 per student, plus $7.2 million on buildings and equipment. Money in: $26.1 million local (mostly property tax), $26.1 million state, $5.4 million federal. Long-term debt: $65.3 million.
Spent $34.9 million — $30.9 million to run schools, about $20,070 per student, plus $1.8 million on buildings and equipment. Money in: $15.2 million local (mostly property tax), $18.5 million state, $2 million federal. Long-term debt: $36.6 million.
Spent $33 million — $26.3 million to run schools, about $17,889 per student, plus $3 million on buildings and equipment. Money in: $12 million local (mostly property tax), $17.5 million state, $6.7 million federal. Long-term debt: $21.5 million.
Spent $29.8 million — $24.1 million to run schools, about $16,491 per student, plus $4 million on buildings and equipment. Money in: $14.6 million local (mostly property tax), $9.5 million state, $2.8 million federal. Long-term debt: $8.9 million.
Spent $31.2 million — $24.6 million to run schools, about $17,628 per student, plus $2 million on buildings and equipment. Money in: $12.3 million local (mostly property tax), $17.2 million state, $3.4 million federal. Long-term debt: $28.6 million.
And 7 more.
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 Moderate compared with other U.S. counties. FEMA estimates natural hazards cost Washington County about $57.4 million a year on average in buildings, crops and lives. Ability to bounce back (community resilience): Very High; social vulnerability: Relatively Low.
Source: FEMA National Risk Index (December 2025), expected annual loss. Ratings compare counties nationwide; they're estimates, not predictions.
655 bridges in Washington County: 258 in good condition, 321 fair, and 76 poor (11.6%). “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 0022 over RACCOON CREEK · built 1970 | 19,995 vehicles a day |
| SR 0040 over CATFISH CREEK · built 1943 | 15,885 vehicles a day |
| SR 1055 over NORTH BR. PIGEON CREEK · built 1956 | 10,033 vehicles a day |
| GALLEY ROAD over BRANCH OF CHARTIERS CRK · built 1920 | 9,600 vehicles a day |
| SR 0837 over MINGO RUN · built 1931 | 6,966 vehicles a day |
| SR 0018 over CHARTIERS CREEK · built 1950 | 6,711 vehicles a day |
Source: Federal Highway Administration, National Bridge Inventory (2025 submission). Includes state, county and city bridges.
Federal grants paid for $37.6 million of work in Washington County in fiscal 2025, about $180 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 Washington 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 Washington County built: brayden.ozark@gmail.com.
More of Pennsylvania: the state government and every county in Pennsylvania.
Nearby counties: Brooke County, WV (18 mi) · Ohio County, WV (21 mi) · Allegheny County (23 mi) · Greene County (24 mi) · Hancock County, WV (28 mi) · Jefferson County, OH (30 mi).