570,745 people (2024 Census estimate, +8.2% since 2020)
786 square miles of land · 726 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.
8 active community water systems list Greenville County in the area they serve, reporting 524,853 people served in all (a system that crosses county lines counts its whole population).
| GREENVILLE WATER (SC2310001) surface water · local government · SC2310001 | 426,057 served |
| GREER CPW surface water · local government · SC2310005 | 54,024 served |
| BLUE RIDGE WATER CO INC (SC2320003) buys surface water · local government · SC2320003 | 40,006 served |
| MARIETTA W/D (SC2320004) buys surface water · local government · SC2320004 | 3,255 served |
| CLIFFS AT GLASSY THE (SC2350023) groundwater · private · SC2350023 | 1,195 served |
| BGWC TROLLINGWOOD S/D (SC2350010) groundwater · private · SC2350010 | 180 served |
| BGWC KINGSWOOD S/D (SC2350011) groundwater · private · SC2350011 | 77 served |
| BGWC WOODMONT ESTATE (SC2350013) groundwater · private · SC2350013 | 59 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 1,458 people were held in Greenville County's jail, in Vera's latest figure (2024), or 407 per 100,000 residents ages 15–64. In 2019 it was about 1,282.
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 Greenville County. School taxes are usually the largest part of a property tax bill.
Spent $1.1 billion — $969.3 million to run schools, about $12,430 per student, plus $82.3 million on buildings and equipment. Money in: $518.1 million local (mostly property tax), $583.3 million state, $158 million federal. Long-term debt: $650.1 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 Greenville County about $169 million a year on average in buildings, crops and lives. Ability to bounce back (community resilience): Relatively Moderate; social vulnerability: Relatively Low.
Source: FEMA National Risk Index (December 2025), expected annual loss. Ratings compare counties nationwide; they're estimates, not predictions.
636 bridges in Greenville County: 351 in good condition, 238 fair, and 47 poor (7.4%). “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.
| I-85 over TRIB LAUREL CRK · built 1960 | 113,800 vehicles a day |
| US 29 over MOUNTAIN CREEK · built 1939 | 47,300 vehicles a day |
| US 29 over ENOREE RIVER · built 1939 | 47,300 vehicles a day |
| US 276 over P AND N RR. · built 1934 | 41,300 vehicles a day |
| US 29 over C-23-75/60736071 · built 1960 | 37,200 vehicles a day |
| US 123 over L-3199/REEDY RIVER · built 1968 | 30,600 vehicles a day |
Source: Federal Highway Administration, National Bridge Inventory (2025 submission). Includes state, county and city bridges.
Federal grants paid for $361.3 million of work in Greenville County in fiscal 2025, about $688 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 Greenville 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 Greenville County built: brayden.ozark@gmail.com.
More of South Carolina: the state government and every county in South Carolina.
Nearby counties: Pickens County (20 mi) · Spartanburg County (22 mi) · Polk County, NC (29 mi) · Anderson County (30 mi) · Henderson County, NC (31 mi) · Transylvania County, NC (33 mi).