303,001 people (2024 Census estimate, +6.7% since 2020)
681 square miles of land · 445 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.
66 active community water systems list York County in the area they serve, reporting 206,524 people served in all (a system that crosses county lines counts its whole population).
| ROCK HILL CITY OF (SC4610002) surface water · local government · SC4610002 | 89,850 served |
| YORK COUNTY EAST WD (SC4620002) buys surface water · local government · SC4620002 | 30,225 served |
| FORT MILL TOWN OF (SC4610003) buys surface water · private · SC4610003 | 25,000 served |
| YORK COUNTY WEST WD (SC4620003) buys surface water · private · SC4620003 | 18,273 served |
| YORK CITY OF (SC4610001) buys surface water · local government · SC4610001 | 11,137 served |
| TEGA CAY CITY OF (SC4610008) buys surface water · local government · SC4610008 | 10,500 served |
| CLOVER TOWN OF buys surface water · local government · SC4610006 | 8,400 served |
| RIVERVIEW RURAL CWS (SC4620001) buys surface water · local government · SC4620001 | 2,200 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 479 people were held in York County's jail, in Vera's latest figure (2023), or 247 per 100,000 residents ages 15–64. In 2018 it was about 479.
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.
4 school districts have their office in York County. School taxes are usually the largest part of a property tax bill.
Spent $271.3 million — $223.6 million to run schools, about $12,290 per student, plus $28.2 million on buildings and equipment. Money in: $151 million local (mostly property tax), $126 million state, $11.5 million federal. Long-term debt: $522.1 million.
Spent $252.9 million — $234.4 million to run schools, about $14,210 per student, plus $11.1 million on buildings and equipment. Money in: $118.7 million local (mostly property tax), $134.1 million state, $32.9 million federal. Long-term debt: $161.4 million.
Spent $139.8 million — $124.4 million to run schools, about $13,691 per student, plus $11.5 million on buildings and equipment. Money in: $76 million local (mostly property tax), $59.5 million state, $10.6 million federal. Long-term debt: $84.4 million.
Spent $76.1 million — $71.4 million to run schools, about $14,172 per student, plus $2.2 million on buildings and equipment. Money in: $33.6 million local (mostly property tax), $42.8 million state, $10.3 million federal. Long-term debt: $99.1 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 Moderate compared with other U.S. counties. FEMA estimates natural hazards cost York County about $99.2 million a year on average in buildings, crops and lives. Ability to bounce back (community resilience): Relatively High; social vulnerability: Very Low.
Source: FEMA National Risk Index (December 2025), expected annual loss. Ratings compare counties nationwide; they're estimates, not predictions.
288 bridges in York County: 120 in good condition, 146 fair, and 22 poor (7.6%). “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.
| US 21 NB over S-46-697 & RR LC · built 1966 | 12,100 vehicles a day |
| SC 557 over BEAVER DAM CREEK · built 1938 | 10,200 vehicles a day |
| SC 274 over BIG ALLISON CREEK · built 1975 | 8,850 vehicles a day |
| US 321 over RR NS · built 1956 | 6,400 vehicles a day |
| S-46-31 over U.S. 21 · built 1965 | 4,000 vehicles a day |
| S-46-75 over TURKEY CREEK · built 1939 | 2,400 vehicles a day |
Source: Federal Highway Administration, National Bridge Inventory (2025 submission). Includes state, county and city bridges.
Federal grants paid for $44.2 million of work in York County in fiscal 2025, about $157 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 South Carolina 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 York 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 York County built: brayden.ozark@gmail.com.
More of South Carolina: the state government and every county in South Carolina.
Nearby counties: Chester County (19 mi) · Gaston County, NC (22 mi) · Cherokee County (25 mi) · Mecklenburg County, NC (27 mi) · Union County (31 mi) · Cleveland County, NC (33 mi).