70,525 people (2024 Census estimate, +4.2% since 2020)
187 square miles of land · 377 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.
2 active community water systems list Oldham County in the area they serve, reporting 48,476 people served in all (a system that crosses county lines counts its whole population).
| OLDHAM COUNTY WATER DISTRICT groundwater · local government · KY0930333 | 38,409 served |
| LAGRANGE UTILITIES COMMISSION buys groundwater · local government · KY0930481 | 10,067 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 265 people were held in Oldham County's jail, in Vera's latest figure (2026). In 2021 it was about 253.
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 Oldham County. School taxes are usually the largest part of a property tax bill.
Spent $176.3 million — $161 million to run schools, about $13,019 per student, plus $10.8 million on buildings and equipment. Money in: $92.4 million local (mostly property tax), $87.4 million state, $12.2 million federal. Long-term debt: $129 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 Oldham County about $29.1 million a year on average in buildings, crops and lives. Ability to bounce back (community resilience): Very High; social vulnerability: Very Low.
Source: FEMA National Risk Index (December 2025), expected annual loss. Ratings compare counties nationwide; they're estimates, not predictions.
68 bridges in Oldham County: 9 in good condition, 54 fair, and 5 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.
| KY 362 over TRIB TO FLOYDS FORK · built 1960 | 2,456 vehicles a day |
| KY 1315 over FLOYDS FORK · built 1955 | 1,252 vehicles a day |
| KY 1694 over HARRODS CREEK · built 1957 | 901 vehicles a day |
| VALLEY DR over LITTLE HUCKLEBERRY CREEK · built 1966 | 363 vehicles a day |
| KY 1488 over PATTONS CREEK · built 1958 | 81 vehicles a day |
Source: Federal Highway Administration, National Bridge Inventory (2025 submission). Includes state, county and city bridges.
Federal grants paid for $20.3 million of work in Oldham County in fiscal 2025, about $301 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 Oldham 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 Oldham County built: brayden.ozark@gmail.com.
More of Kentucky: the state government and every county in Kentucky.
Nearby counties: Clark County, IN (15 mi) · Trimble County (16 mi) · Shelby County (17 mi) · Jefferson County (18 mi) · Henry County (19 mi) · Scott County, IN (25 mi).