80,050 people (2024 Census estimate, +1.1% since 2020)
567 square miles of land · 141 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.
11 active community water systems list Clinton County in the area they serve, reporting 14,683 people served in all (a system that crosses county lines counts its whole population).
| ST. JOHNS, CITY OF groundwater · local government · MI0006300 | 7,896 served |
| OVID, CITY OF groundwater · local government · MI0005100 | 1,612 served |
| FOWLER, VILLAGE OF groundwater · local government · MI0002390 | 1,136 served |
| ELSIE, VILLAGE OF groundwater · local government · MI0002120 | 930 served |
| WESTPHALIA, VILLAGE OF groundwater · local government · MI0007050 | 925 served |
| MAPLE RAPIDS, VILLAGE OF groundwater · local government · MI0004060 | 643 served |
| DUTCH HILLS groundwater · private · MI0040116 | 620 served |
| CREEKSIDE MEADOWS OF ST. JOHNS groundwater · private · MI0040119 | 387 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 129 people were held in Clinton County's jail, in Vera's latest figure (2020), or 253 per 100,000 residents ages 15–64. In 2015 it was about 219.
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.
6 school districts have their office in Clinton County. School taxes are usually the largest part of a property tax bill.
Spent $48.6 million — $37.1 million to run schools, about $11,942 per student, plus $7.7 million on buildings and equipment. Money in: $12.5 million local (mostly property tax), $33.9 million state, $3.2 million federal. Long-term debt: $42.9 million.
Spent $40.9 million — $34.1 million to run schools, about $13,085 per student, plus $3.2 million on buildings and equipment. Money in: $12.7 million local (mostly property tax), $27.3 million state, $4.9 million federal. Long-term debt: $74.1 million.
Spent $23.7 million — $20.1 million to run schools, about $14,969 per student, plus $2.3 million on buildings and equipment. Money in: $5.8 million local (mostly property tax), $15.7 million state, $2.5 million federal. Long-term debt: $38.5 million.
Spent $15.7 million — $13.9 million to run schools, about $13,807 per student, plus $803,000 on buildings and equipment. Money in: $5.6 million local (mostly property tax), $10.6 million state, $1.5 million federal. Long-term debt: $16.4 million.
Spent $11.4 million — $10.3 million to run schools, about $15,691 per student, plus $302,000 on buildings and equipment. Money in: $2.8 million local (mostly property tax), $8.1 million state, $704,000 federal. Long-term debt: $10.8 million.
Spent $14.5 million — $6.2 million to run schools, about $13,966 per student, plus $7.6 million on buildings and equipment. Money in: $2.1 million local (mostly property tax), $5.1 million state, $414,000 federal. Long-term debt: $14.7 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 Clinton County about $24.4 million a year on average in buildings, crops and lives. Ability to bounce back (community resilience): Very High; social vulnerability: Very Low.
Source: FEMA National Risk Index (December 2025), expected annual loss. Ratings compare counties nationwide; they're estimates, not predictions.
215 bridges in Clinton County: 28 in good condition, 153 fair, and 34 poor (15.8%). “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.
| CLARK RD over BR OF LOOKING GLASS RIVR · built 1963 | 4,198 vehicles a day |
| M-21 over NORTH SWARGART DRAIN · built 1977 | 4,192 vehicles a day |
| N MAPLE STREET over MAPLE RIVER · built 1980 | 2,890 vehicles a day |
| HOLLISTER ROAD over MAPLE RIVER · built 1948 | 2,720 vehicles a day |
| SCHAVEY ROAD over LOOKING GLASS RIVER · built 1981 | 2,500 vehicles a day |
| PRICE RD over STONY CREEK · built 1928 | 2,377 vehicles a day |
Source: Federal Highway Administration, National Bridge Inventory (2025 submission). Includes state, county and city bridges.
Federal grants paid for $13.3 million of work in Clinton County in fiscal 2025, about $168 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 Michigan 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 Clinton 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 Clinton County built: brayden.ozark@gmail.com.
More of Michigan: the state government and every county in Michigan.
Nearby counties: Shiawassee County (22 mi) · Gratiot County (24 mi) · Ionia County (24 mi) · Ingham County (26 mi) · Eaton County (28 mi) · Saginaw County (38 mi).