39,978 people (2024 Census estimate, +0.8% since 2020)
484 square miles of land · 83 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 Harrison County in the area they serve, reporting 41,132 people served in all (a system that crosses county lines counts its whole population).
| RAMSEY WATER COMPANY, INC. groundwater · local government · IN5231005 | 16,475 served |
| SOUTH HARRISON WATER CORPORATION groundwater · local government · IN5231006 | 9,057 served |
| CORYDON WATER WORKS groundwater · local government · IN5231001 | 5,716 served |
| TOWN OF ELIZABETH groundwater · local government · IN5231007 | 4,450 served |
| PALMYRA WATER WORKS buys groundwater · local government · IN5231004 | 4,425 served |
| LANESVILLE WATER WORKS buys groundwater · local government · IN5231003 | 1,009 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 132 people were held in Harrison County's jail, in Vera's latest figure (2024), or 530 per 100,000 residents ages 15–64. In 2019 it was about 199.
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.
3 school districts have their office in Harrison County. School taxes are usually the largest part of a property tax bill.
Spent $48.7 million — $42.1 million to run schools, about $13,665 per student, plus $5.5 million on buildings and equipment. Money in: $13.8 million local (mostly property tax), $28.8 million state, $5.6 million federal. Long-term debt: $11.1 million.
Spent $27.3 million — $21.6 million to run schools, about $10,093 per student, plus $4 million on buildings and equipment. Money in: $8 million local (mostly property tax), $16.3 million state, $2.6 million federal. Long-term debt: $22.8 million.
Spent $9.3 million — $7.8 million to run schools, about $10,522 per student, plus $1 million on buildings and equipment. Money in: $2.8 million local (mostly property tax), $6.5 million state, $566,000 federal. Long-term debt: $4.1 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 Low compared with other U.S. counties. FEMA estimates natural hazards cost Harrison County about $18 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.
128 bridges in Harrison County: 50 in good condition, 74 fair, and 4 poor (3.1%). “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.
| OLD SR 337 over LITTLE INDIAN CREEK · built 1984 | 6,087 vehicles a day |
| SR 11 over SOUTH FORK BUCK CREEK · built 1966 | 1,607 vehicles a day |
| OLD SR 337 over BUCK CREEK · built 1965 | 760 vehicles a day |
| ST JOHN CHURCH RD over BUCK CREEK · built 1988 | 160 vehicles a day |
Source: Federal Highway Administration, National Bridge Inventory (2025 submission). Includes state, county and city bridges.
Federal grants paid for $9.2 million of work in Harrison County in fiscal 2025, about $232 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 Indiana 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 Harrison 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 Harrison County built: brayden.ozark@gmail.com.
More of Indiana: the state government and every county in Indiana.
Nearby counties: Floyd County (14 mi) · Meade County, KY (16 mi) · Crawford County (20 mi) · Jefferson County, KY (24 mi) · Bullitt County, KY (26 mi) · Washington County (29 mi).