10,979 people (2024 Census estimate, −3.0% since 2020)
223 square miles of land · 49 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.
5 active community water systems list Wabash County in the area they serve, reporting 9,881 people served in all (a system that crosses county lines counts its whole population).
| MOUNT CARMEL groundwater (surface-influenced) · local government · IL1850200 | 7,015 served |
| RURAL WABASH COUNTY WATER DISTRICT buys groundwater · local government · IL1850010 | 1,877 served |
| ALLENDALE groundwater · local government · IL1850050 | 458 served |
| BELLMONT groundwater · local government · IL1850100 | 297 served |
| KEENSBURG groundwater · local government · IL1850150 | 234 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 7 people were held in Wabash County's jail, in Vera's latest figure (2021), or 104 per 100,000 residents ages 15–64. In 2016 it was about 27.
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 Wabash County. School taxes are usually the largest part of a property tax bill.
Spent $25.3 million — $24.1 million to run schools, about $16,949 per student, plus $433,000 on buildings and equipment. Money in: $8 million local (mostly property tax), $14.3 million state, $2.7 million federal. Long-term debt: $744,000.
Spent $2.5 million — $2 million to run schools, about $13,811 per student, plus $147,000 on buildings and equipment. Money in: $736,000 local (mostly property tax), $1.6 million state, $524,000 federal. Long-term debt: $797,000.
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 Wabash County about $7.6 million a year on average in buildings, crops and lives. Ability to bounce back (community resilience): Relatively Moderate; social vulnerability: Relatively Moderate.
Source: FEMA National Risk Index (December 2025), expected annual loss. Ratings compare counties nationwide; they're estimates, not predictions.
90 bridges in Wabash County: 53 in good condition, 32 fair, and 5 poor (5.6%). “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.
| FAS-1810 over CREEK · built 1959 | 150 vehicles a day |
| TR-85 over CREEK · built 1909 | 75 vehicles a day |
| TR-177 over DRAINAGE DITCH · built 1978 | 50 vehicles a day |
| TR-175 over CREEK · built 1909 | 25 vehicles a day |
| TR-112 over DRAINAGE DITCH · built 1909 | 10 vehicles a day |
Source: Federal Highway Administration, National Bridge Inventory (2025 submission). Includes state, county and city bridges.
Federal grants paid for $4.8 million of work in Wabash County in fiscal 2025, about $425 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 Illinois 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 Wabash 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 Wabash County built: brayden.ozark@gmail.com.
More of Illinois: the state government and every county in Illinois.
Nearby counties: Edwards County (11 mi) · Gibson County, IN (17 mi) · Lawrence County (20 mi) · Richland County (23 mi) · Knox County, IN (28 mi) · Posey County, IN (29 mi).