109,494 people (2024 Census estimate, +0.3% since 2020)
575 square miles of land · 190 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.
17 active community water systems list Eaton County in the area they serve, reporting 54,003 people served in all (a system that crosses county lines counts its whole population).
| CHARTER TOWNSHIP OF DELTA buys groundwater · local government · MI0001790 | 21,856 served |
| CHARLOTTE, CITY OF groundwater · local government · MI0001340 | 9,074 served |
| GRAND LEDGE, CITY OF groundwater · local government · MI0002770 | 8,701 served |
| EATON RAPIDS, CITY OF groundwater · local government · MI0002020 | 5,340 served |
| POTTERVILLE, CITY OF groundwater · local government · MI0005550 | 2,617 served |
| OLIVET, CITY OF groundwater · local government · MI0004990 | 1,758 served |
| BELLEVUE, VILLAGE OF groundwater · local government · MI0000590 | 1,282 served |
| VERMONTVILLE, VILLAGE OF groundwater · local government · MI0006790 | 780 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 179 people were held in Eaton County's jail, in Vera's latest figure (2020), or 257 per 100,000 residents ages 15–64. In 2015 it was about 192.
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.
9 school districts have their office in Eaton County. School taxes are usually the largest part of a property tax bill.
Spent $97.1 million — $68.3 million to run schools, about $13,400 per student, plus $16.6 million on buildings and equipment. Money in: $34.2 million local (mostly property tax), $48.8 million state, $7 million federal. Long-term debt: $118.1 million.
Spent $63.2 million — $44.8 million to run schools, about $15,527 per student, plus $14 million on buildings and equipment. Money in: $23.2 million local (mostly property tax), $30 million state, $4.8 million federal. Long-term debt: $64.5 million.
Spent $57.9 million — $30.4 million to run schools, about $12,801 per student, plus $19.3 million on buildings and equipment. Money in: $14.2 million local (mostly property tax), $25.1 million state, $5.4 million federal. Long-term debt: $101.9 million.
Spent $43.8 million — $29 million to run schools, about $14,614 per student, plus $9.9 million on buildings and equipment. Money in: $10.2 million local (mostly property tax), $23.4 million state, $3.1 million federal. Long-term debt: $34.4 million.
Spent $19.5 million — $17.5 million to run schools, about $13,857 per student, plus $890,000 on buildings and equipment. Money in: $5.1 million local (mostly property tax), $14.2 million state, $1.6 million federal. Long-term debt: $24.6 million.
Spent $16.7 million — $14 million to run schools, about $15,349 per student, plus $910,000 on buildings and equipment. Money in: $4 million local (mostly property tax), $10.6 million state, $3 million federal. Long-term debt: $18 million.
Spent $20.2 million — $11.1 million to run schools, about $14,758 per student, plus $6.6 million on buildings and equipment. Money in: $5.2 million local (mostly property tax), $8.2 million state, $1.6 million federal. Long-term debt: $15.3 million.
Spent $10 million — $8.8 million to run schools, about $14,920 per student, plus $136,000 on buildings and equipment. Money in: $2.9 million local (mostly property tax), $6.3 million state, $1.6 million federal. Long-term debt: $20.4 million.
And 1 more.
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 Eaton County about $30 million a year on average in buildings, crops and lives. Ability to bounce back (community resilience): Very High; social vulnerability: Relatively Low.
Source: FEMA National Risk Index (December 2025), expected annual loss. Ratings compare counties nationwide; they're estimates, not predictions.
202 bridges in Eaton County: 63 in good condition, 128 fair, and 11 poor (5.4%). “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.
| M-43 (W SAGINAW) over CARRIER CREEK · built 1956 | 26,200 vehicles a day |
| WEBSTER ROAD over GRAND RIVER · built 1966 | 5,860 vehicles a day |
| ST JOSEPH HWY over I-96 · built 1962 | 2,850 vehicles a day |
| VERMONTVILLE HWY over LITTLE THORNAPPLE RIVER · built 1942 | 2,581 vehicles a day |
| OLD US-27 over BIG CREEK · built 1936 | 2,466 vehicles a day |
| BUTTERFIELD ROAD over INDIAN CREEK · built 1958 | 519 vehicles a day |
Source: Federal Highway Administration, National Bridge Inventory (2025 submission). Includes state, county and city bridges.
Federal grants paid for $160.6 million of work in Eaton County in fiscal 2025, about $1,471 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 Eaton 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 Eaton County built: brayden.ozark@gmail.com.
More of Michigan: the state government and every county in Michigan.
Nearby counties: Barry County (24 mi) · Ingham County (24 mi) · Calhoun County (25 mi) · Ionia County (27 mi) · Clinton County (28 mi) · Jackson County (32 mi).