9,092 people (2024 Census estimate, −1.8% since 2020)
495 square miles of land · 18 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.
4 active community water systems list Jasper County in the area they serve, reporting 33,112 people served in all (a system that crosses county lines counts its whole population).
| EJ WATER COOPERATIVE surface water · private · IL0790010 | 29,720 served |
| NEWTON groundwater · local government · IL0790100 | 2,977 served |
| SAINTE MARIE buys groundwater · local government · IL0790200 | 243 served |
| WILLOW HILL groundwater · local government · IL0790300 | 172 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 Jasper County's jail, in Vera's latest figure (2023), or 129 per 100,000 residents ages 15–64. In 2018 it was about 11.
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 Jasper County. School taxes are usually the largest part of a property tax bill.
Spent $20.6 million — $16.9 million to run schools, about $14,111 per student, plus $2.9 million on buildings and equipment. Money in: $11.5 million local (mostly property tax), $10.3 million state, $2.2 million federal. Long-term debt: $4.5 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 Jasper County about $10 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.
181 bridges in Jasper County: 129 in good condition, 44 fair, and 8 poor (4.4%). “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.
| FAP-116 (ILL-130) over FOX RIVER · built 1928 | 4,400 vehicles a day |
| TR-102 over TURKEY CREEK · built 1955 | 100 vehicles a day |
| TR-307 over FOX RIVER · built 1909 | 75 vehicles a day |
| TR-177A over CREEK · built 1909 | 50 vehicles a day |
| TR-142 over WOLF CREEK · built 1909 | 25 vehicles a day |
| TR-326 over SAMS BRANCH · built 1909 | 25 vehicles a day |
Source: Federal Highway Administration, National Bridge Inventory (2025 submission). Includes state, county and city bridges.
Federal grants paid for $2.2 million of work in Jasper County in fiscal 2025, about $241 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 Jasper 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 Jasper County built: brayden.ozark@gmail.com.
More of Illinois: the state government and every county in Illinois.
Nearby counties: Cumberland County (19 mi) · Richland County (20 mi) · Crawford County (21 mi) · Effingham County (24 mi) · Clay County (25 mi) · Clark County (30 mi).