313,774 people (2024 Census estimate, +6.4% since 2020)
699 square miles of land · 449 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.
84 active community water systems list Lexington County in the area they serve, reporting 186,111 people served in all (a system that crosses county lines counts its whole population).
| JOINT MUNI WSC (SC3220003) buys surface water · local government · SC3220003 | 54,868 served |
| WEST COLUMBIA CITY OF (SC3210004) surface water · local government · SC3210004 | 34,028 served |
| LEXINGTON TOWN OF (3210001) buys surface water · local government · SC3210001 | 24,284 served |
| CAYCE CITY OF (SC3210003) surface water · local government · SC3210003 | 17,460 served |
| GILBERT-SUMMIT WD (3220001) groundwater · local government · SC3220001 | 10,400 served |
| GASTON RURAL WATER DIST (SC3220002) groundwater · local government · SC3220002 | 7,550 served |
| BGWC I-20 (SC3250012) buys surface water · private · SC3250012 | 7,435 served |
| BATESBURG LEESVILLE DPW (SC3210002) surface water · local government · SC3210002 | 6,814 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 591 people were held in Lexington County's jail, in Vera's latest figure (2023), or 299 per 100,000 residents ages 15–64. In 2018 it was about 715.
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 Lexington County. School taxes are usually the largest part of a property tax bill.
Spent $460.8 million — $381 million to run schools, about $13,591 per student, plus $57.1 million on buildings and equipment. Money in: $203.7 million local (mostly property tax), $236.2 million state, $32 million federal. Long-term debt: $915.3 million.
Spent $166.9 million — $125.4 million to run schools, about $14,535 per student, plus $32.6 million on buildings and equipment. Money in: $73.4 million local (mostly property tax), $71.2 million state, $18.2 million federal. Long-term debt: $213.8 million.
Spent $54.3 million — $48.5 million to run schools, about $13,672 per student, plus $3.6 million on buildings and equipment. Money in: $16.2 million local (mostly property tax), $32.8 million state, $12.7 million federal. Long-term debt: $45.2 million.
Spent $64.3 million — $32.8 million to run schools, about $16,602 per student, plus $28 million on buildings and equipment. Money in: $18.3 million local (mostly property tax), $18.6 million state, $8.2 million federal. Long-term debt: $43.8 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 Lexington County about $108.2 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.
230 bridges in Lexington County: 110 in good condition, 110 fair, and 10 poor (4.3%). “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.
| SC 12 over CONGAREE RIVER · built 1976 | 24,500 vehicles a day |
| US 21 over CONGAREE CREEK · built 1922 | 23,200 vehicles a day |
| S-32-204 over RED BANK CREEK · built 1968 | 9,500 vehicles a day |
| S-32-168 over CONGAREE CREEK · built 1974 | 4,800 vehicles a day |
| S-32-231 over CAMPING CREEK · built 1973 | 4,100 vehicles a day |
| S-32-29 over STEVENS CREEK · built 1982 | 1,900 vehicles a day |
Source: Federal Highway Administration, National Bridge Inventory (2025 submission). Includes state, county and city bridges.
Federal grants paid for $204.3 million of work in Lexington County in fiscal 2025, about $695 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 Lexington 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 Lexington County built: brayden.ozark@gmail.com.
More of South Carolina: the state government and every county in South Carolina.
Nearby counties: Richland County (23 mi) · Saluda County (27 mi) · Aiken County (31 mi) · Calhoun County (32 mi) · Newberry County (33 mi) · Fairfield County (36 mi).