43,895 people (2024 Census estimate, −2.3% since 2020)
863 square miles of land · 51 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.
30 active community water systems list Macoupin County in the area they serve, reporting 45,111 people served in all (a system that crosses county lines counts its whole population).
| CARLINVILLE surface water · local government · IL1170150 | 6,598 served |
| STAUNTON surface water · local government · IL1171050 | 5,756 served |
| BRIGHTON buys surface water · local government · IL1174160 | 5,041 served |
| GILLESPIE surface water · local government · IL1170400 | 3,737 served |
| VIRDEN buys surface water · local government · IL1171100 | 3,274 served |
| MOUNT OLIVE buys surface water · local government · IL1170700 | 2,193 served |
| GIRARD buys surface water · local government · IL1170450 | 1,885 served |
| CENTRAL MACOUPIN COUNTY RWD buys surface water · local government · IL1170040 | 1,883 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 66 people were held in Macoupin County's jail, in Vera's latest figure (2019), or 233 per 100,000 residents ages 15–64. In 2014 it was about 38.
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.
8 school districts have their office in Macoupin County. School taxes are usually the largest part of a property tax bill.
Spent $22.5 million — $19.1 million to run schools, about $14,395 per student, plus $2.8 million on buildings and equipment. Money in: $8.2 million local (mostly property tax), $12.2 million state, $3.7 million federal. Long-term debt: $4.8 million.
Spent $17 million — $14.9 million to run schools, about $12,215 per student, plus $792,000 on buildings and equipment. Money in: $5.2 million local (mostly property tax), $11.1 million state, $2.1 million federal. Long-term debt: $3.7 million.
Spent $20.7 million — $18.5 million to run schools, about $15,263 per student, plus $1.7 million on buildings and equipment. Money in: $8.9 million local (mostly property tax), $12.3 million state, $2.6 million federal. Long-term debt: $7.1 million.
Spent $24.8 million — $18.4 million to run schools, about $15,553 per student, plus $4.3 million on buildings and equipment. Money in: $9.3 million local (mostly property tax), $11.6 million state, $4.7 million federal. Long-term debt: $23.7 million.
Spent $20.8 million — $18.1 million to run schools, about $15,843 per student, plus $896,000 on buildings and equipment. Money in: $4.3 million local (mostly property tax), $15.3 million state, $2.6 million federal. Long-term debt: $11.3 million.
Spent $9.8 million — $8.4 million to run schools, about $14,602 per student, plus $702,000 on buildings and equipment. Money in: $2.9 million local (mostly property tax), $6.2 million state, $941,000 federal. Long-term debt: $2.1 million.
Spent $8.1 million — $7.4 million to run schools, about $15,335 per student, plus $153,000 on buildings and equipment. Money in: $2.9 million local (mostly property tax), $5.2 million state, $1 million federal. Long-term debt: $517,000.
Spent $8.2 million — $7.1 million to run schools, about $22,260 per student, plus $681,000 on buildings and equipment. Money in: $2.5 million local (mostly property tax), $4 million state, $1.2 million federal. Long-term debt: $330,000.
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: Relatively Low compared with other U.S. counties. FEMA estimates natural hazards cost Macoupin County about $38.7 million a year on average in buildings, crops and lives. Ability to bounce back (community resilience): Relatively High; social vulnerability: Relatively Moderate.
Source: FEMA National Risk Index (December 2025), expected annual loss. Ratings compare counties nationwide; they're estimates, not predictions.
240 bridges in Macoupin County: 89 in good condition, 111 fair, and 40 poor (16.7%). “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.
| IL 111 over PIASA CREEK · built 1929 | 4,200 vehicles a day |
| FAS 736 over GIRDER BR · built 1919 | 2,650 vehicles a day |
| FAS 0736 over WOOD RIVER · built 1932 | 1,900 vehicles a day |
| BUNKR HIL STUNTN R over PADDOCK CREEK · built 1980 | 1,250 vehicles a day |
| FAS 732 over OTTER LAKE · built 1968 | 950 vehicles a day |
| STAUNTON BUNKR HIL over BR. SHERRYCREEK · built 1970 | 900 vehicles a day |
Source: Federal Highway Administration, National Bridge Inventory (2025 submission). Includes state, county and city bridges.
Federal grants paid for $20.2 million of work in Macoupin County in fiscal 2025, about $449 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 Macoupin 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 Macoupin County built: brayden.ozark@gmail.com.
More of Illinois: the state government and every county in Illinois.
Nearby counties: Montgomery County (24 mi) · Greene County (25 mi) · Jersey County (27 mi) · Madison County (30 mi) · Morgan County (35 mi) · Sangamon County (37 mi).