160,233 people (2024 Census estimate, +0.0% since 2020)
702 square miles of land · 228 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.
24 active community water systems list Jackson County in the area they serve, reporting 91,918 people served in all (a system that crosses county lines counts its whole population).
| JACKSON groundwater (surface-influenced) · local government · MI0003470 | 33,165 served |
| SUMMIT TOWNSHIP groundwater · local government · MI0006450 | 25,355 served |
| BLACKMAN TOWNSHIP buys groundwater · local government · MI0000740 | 21,222 served |
| GRASS LAKE groundwater · local government · MI0002830 | 1,986 served |
| LEONI TOWNSHIP groundwater · local government · MI0003837 | 1,893 served |
| BROOKLYN groundwater · local government · MI0000920 | 1,313 served |
| CONCORD groundwater · local government · MI0001580 | 1,050 served |
| SHERMAN OAKS groundwater · private · MI0040242 | 915 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 256 people were held in Jackson County's jail, in Vera's latest figure (2023), or 253 per 100,000 residents ages 15–64. In 2018 it was about 247.
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.
12 school districts have their office in Jackson County. School taxes are usually the largest part of a property tax bill.
Spent $95 million — $75.7 million to run schools, about $16,875 per student, plus $12.7 million on buildings and equipment. Money in: $25.5 million local (mostly property tax), $48.7 million state, $21.2 million federal. Long-term debt: $95.7 million.
Spent $48.5 million — $44.9 million to run schools, about $12,624 per student, plus $2.3 million on buildings and equipment. Money in: $10.6 million local (mostly property tax), $37.8 million state, $5.4 million federal. Long-term debt: $1.9 million.
Spent $41 million — $36 million to run schools, about $13,044 per student, plus $2.5 million on buildings and equipment. Money in: $8.5 million local (mostly property tax), $30.7 million state, $2.8 million federal. Long-term debt: $72.5 million.
Spent $22.7 million — $20.8 million to run schools, about $13,987 per student, plus $782,000 on buildings and equipment. Money in: $9.4 million local (mostly property tax), $12.8 million state, $2.5 million federal. Long-term debt: $27.4 million.
Spent $18.5 million — $16.6 million to run schools, about $12,593 per student, plus $746,000 on buildings and equipment. Money in: $4.4 million local (mostly property tax), $14 million state, $2.1 million federal. Long-term debt: $11.4 million.
Spent $20.6 million — $19.6 million to run schools, about $14,888 per student, plus $777,000 on buildings and equipment. Money in: $3.8 million local (mostly property tax), $14.9 million state, $2.8 million federal. Long-term debt: $8.8 million.
Spent $19.9 million — $18.8 million to run schools, about $14,295 per student, plus $400,000 on buildings and equipment. Money in: $6.3 million local (mostly property tax), $14 million state, $1.1 million federal. Long-term debt: $16.8 million.
Spent $16.2 million — $13.7 million to run schools, about $13,434 per student, plus $2 million on buildings and equipment. Money in: $3.1 million local (mostly property tax), $10.6 million state, $1.1 million federal. Long-term debt: $5.2 million.
And 4 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 Jackson County about $37.8 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.
158 bridges in Jackson County: 54 in good condition, 87 fair, and 17 poor (10.8%). “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.
| I-94BL US127BR M50 over GRAND RIVER · built 1967 | 21,340 vehicles a day |
| US-127 over GRAND RIVER · built 1955 | 16,125 vehicles a day |
| US-127 BR / M-106 over GRAND RIVER · built 1915 | 15,940 vehicles a day |
| US-127 M-50 NB over PARNALL RD · built 1958 | 12,954 vehicles a day |
| EAST GANSON STREET over GRAND RIVER · built 1956 | 11,402 vehicles a day |
| US-127 NB over GRAND RIVER · built 1957 | 9,599 vehicles a day |
Source: Federal Highway Administration, National Bridge Inventory (2025 submission). Includes state, county and city bridges.
Federal grants paid for $115.8 million of work in Jackson County in fiscal 2025, about $722 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 Jackson 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 Jackson County built: brayden.ozark@gmail.com.
More of Michigan: the state government and every county in Michigan.
Nearby counties: Ingham County (25 mi) · Hillsdale County (25 mi) · Washtenaw County (29 mi) · Lenawee County (30 mi) · Calhoun County (30 mi) · Eaton County (32 mi).