97,746 people (2024 Census estimate, −1.6% since 2020)
750 square miles of land · 130 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.
28 active community water systems list Lenawee County in the area they serve, reporting 52,339 people served in all (a system that crosses county lines counts its whole population).
| ADRIAN surface water · local government · MI0000040 | 23,663 served |
| TECUMSEH groundwater · local government · MI0006560 | 8,521 served |
| MADISON TOWNSHIP groundwater · local government · MI0004006 | 3,480 served |
| BLISSFIELD surface water · local government · MI0000750 | 3,276 served |
| CLINTON groundwater · local government · MI0001470 | 2,336 served |
| HUDSON groundwater · local government · MI0003280 | 2,307 served |
| MORENCI groundwater · local government · MI0004490 | 2,220 served |
| DEERFIELD surface water · local government · MI0001770 | 943 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 184 people were held in Lenawee County's jail, in Vera's latest figure (2019), or 288 per 100,000 residents ages 15–64. In 2014 it was about 258.
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.
11 school districts have their office in Lenawee County. School taxes are usually the largest part of a property tax bill.
Spent $52.3 million — $43.4 million to run schools, about $15,656 per student, plus $5.7 million on buildings and equipment. Money in: $12.5 million local (mostly property tax), $30 million state, $11.4 million federal. Long-term debt: $2.6 million.
Spent $37.7 million — $35.5 million to run schools, about $13,845 per student, plus $799,000 on buildings and equipment. Money in: $9.2 million local (mostly property tax), $27 million state, $3 million federal. Long-term debt: $10.2 million.
Spent $23.6 million — $22.1 million to run schools, about $13,451 per student, plus $1.3 million on buildings and equipment. Money in: $5.5 million local (mostly property tax), $18.1 million state, $2.2 million federal. Long-term debt: $2.2 million.
Spent $22.3 million — $15.4 million to run schools, about $12,228 per student, plus $5.9 million on buildings and equipment. Money in: $5.1 million local (mostly property tax), $13 million state, $1.5 million federal. Long-term debt: $22.8 million.
Spent $16.7 million — $16 million to run schools, about $12,903 per student, plus $395,000 on buildings and equipment. Money in: $3.1 million local (mostly property tax), $13.9 million state, $1.3 million federal. Long-term debt: $5.2 million.
Spent $19.6 million — $17.5 million to run schools, about $14,394 per student, plus $865,000 on buildings and equipment. Money in: $6.7 million local (mostly property tax), $12.7 million state, $2.2 million federal. Long-term debt: $18.3 million.
Spent $15.3 million — $14.7 million to run schools, about $12,979 per student, plus $435,000 on buildings and equipment. Money in: $4.5 million local (mostly property tax), $11.2 million state, $1.5 million federal.
Spent $11.8 million — $11.4 million to run schools, about $14,552 per student, plus $400,000 on buildings and equipment. Money in: $2 million local (mostly property tax), $9.3 million state, $772,000 federal. Long-term debt: $203,000.
And 3 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 Lenawee County about $30.4 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.
225 bridges in Lenawee County: 94 in good condition, 105 fair, and 26 poor (11.6%). “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.
| US-223 over NORFOLK SOUTHERN RR · built 1941 | 16,443 vehicles a day |
| M-34 over S BR RAISIN RIVER · built 1932 | 11,522 vehicles a day |
| US-12 over RIVER RAISIN · built 1977 | 10,834 vehicles a day |
| WOLF CREEK HWY over WOLF CREEK · built 1981 | 10,021 vehicles a day |
| N UNION STREET over EVANS CREEK · built 1934 | 2,657 vehicles a day |
| BEECHER RD over SILVER CREEK · built 1992 | 1,845 vehicles a day |
Source: Federal Highway Administration, National Bridge Inventory (2025 submission). Includes state, county and city bridges.
Federal grants paid for $17.2 million of work in Lenawee County in fiscal 2025, about $173 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 Lenawee 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 Lenawee County built: brayden.ozark@gmail.com.
More of Michigan: the state government and every county in Michigan.
Nearby counties: Fulton County, OH (21 mi) · Washtenaw County (27 mi) · Hillsdale County (29 mi) · Jackson County (30 mi) · Monroe County (30 mi) · Lucas County, OH (34 mi).