144,135 people (2024 Census estimate, +5.6% since 2020)
246 square miles of land · 585 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.
6 active community water systems list Boone County in the area they serve, reporting 100,098 people served in all (a system that crosses county lines counts its whole population).
| BOONE CO WATER & SEWER DISTRICT buys surface water · local government · KY0080034 | 66,300 served |
| FLORENCE WATER & SEWER buys surface water · local government · KY0080135 | 29,351 served |
| WALTON WATERWORKS DEPARTMENT buys surface water · local government · KY0080442 | 4,173 served |
| TRAPPS WATER COMPANY groundwater · private · KY0080910 | 200 served |
| RIVERSIDE 25 LLC groundwater · private · KY0080928 | 49 served |
| BOONE-FLORENCE WATER COMMISSION buys surface water · local government · KY0081013 | 25 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 475 people were held in Boone County's jail, in Vera's latest figure (2026). In 2021 it was about 381.
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.
2 school districts have their office in Boone County. School taxes are usually the largest part of a property tax bill.
Spent $309.8 million — $281.3 million to run schools, about $13,925 per student, plus $20.3 million on buildings and equipment. Money in: $173.7 million local (mostly property tax), $138.9 million state, $25.7 million federal. Long-term debt: $162.5 million.
Spent $30.8 million — $25.2 million to run schools, about $13,143 per student, plus $4.9 million on buildings and equipment. Money in: $13.7 million local (mostly property tax), $14.3 million state, $1.8 million federal. Long-term debt: $19.8 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 Low compared with other U.S. counties. FEMA estimates natural hazards cost Boone County about $49.5 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.
139 bridges in Boone County: 57 in good condition, 74 fair, and 8 poor (5.8%). “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-275 over OHIO RIVER · built 1976 | 38,411 vehicles a day |
| KY-842 over NS (CNO&TP) SYSTEM · built 1982 | 9,286 vehicles a day |
| CR-1001 over GUNPOWDER CREEK · built 1951 | 8,155 vehicles a day |
| KY-14 over MCCOYS FORK · built 1931 | 2,146 vehicles a day |
| KY-338 over GUM BRANCH · built 1953 | 1,473 vehicles a day |
| CR-1128 over MCCOYS FORK · built 1982 | 422 vehicles a day |
Source: Federal Highway Administration, National Bridge Inventory (2025 submission). Includes state, county and city bridges.
Federal grants paid for $75.1 million of work in Boone County in fiscal 2025, about $552 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 Kentucky 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 Boone 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 Boone County built: brayden.ozark@gmail.com.
More of Kentucky: the state government and every county in Kentucky.
Nearby counties: Kenton County (11 mi) · Ohio County, IN (12 mi) · Gallatin County (16 mi) · Dearborn County, IN (18 mi) · Switzerland County, IN (18 mi) · Campbell County (19 mi).