22,037 people (2024 Census estimate, +7.1% since 2020)
344 square miles of land · 64 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 Allen County in the area they serve, reporting 23,262 people served in all (a system that crosses county lines counts its whole population).
| ALLEN COUNTY WATER DISTRICT buys surface water · local government · KY0020956 | 16,398 served |
| SCOTTSVILLE WATER DEPARTMENT surface water · local government · KY0020386 | 6,864 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 83 people were held in Allen County's jail, in Vera's latest figure (2026). In 2021 it was about 81.
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 Allen County. School taxes are usually the largest part of a property tax bill.
Spent $43.5 million — $38.9 million to run schools, about $12,352 per student, plus $2.3 million on buildings and equipment. Money in: $8.7 million local (mostly property tax), $25.7 million state, $10.9 million federal. Long-term debt: $21.9 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: Very Low compared with other U.S. counties. FEMA estimates natural hazards cost Allen County about $8.8 million a year on average in buildings, crops and lives. Ability to bounce back (community resilience): Relatively Low; social vulnerability: Relatively High.
Source: FEMA National Risk Index (December 2025), expected annual loss. Ratings compare counties nationwide; they're estimates, not predictions.
88 bridges in Allen County: 15 in good condition, 68 fair, and 5 poor (5.7%). “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-3500 over TRAMMEL CREEK · built 1930 | 602 vehicles a day |
| KY-482 over DRAKES CREEK · built 1988 | 202 vehicles a day |
| PETROLEUM RD over LITTLE TRAMMEL CREEK · built 1975 | 164 vehicles a day |
| KY-1333 over LONG HUNGRY CREEK · built 1969 | 130 vehicles a day |
| JEFFERSON SCHOOL R over DIFFICULT CREEK · built 1979 | 128 vehicles a day |
Source: Federal Highway Administration, National Bridge Inventory (2025 submission). Includes state, county and city bridges.
Federal grants paid for $3.4 million of work in Allen County in fiscal 2025, about $164 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 Allen 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 Allen County built: brayden.ozark@gmail.com.
More of Kentucky: the state government and every county in Kentucky.
Nearby counties: Macon County, TN (18 mi) · Barren County (21 mi) · Warren County (21 mi) · Simpson County (22 mi) · Sumner County, TN (24 mi) · Trousdale County, TN (25 mi).