290,427 people (2024 Census estimate, +1.9% since 2020)
556 square miles of land · 522 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.
23 active community water systems list Ingham County in the area they serve, reporting 263,640 people served in all (a system that crosses county lines counts its whole population).
| LANSING BOARD OF WATER & LIGHT groundwater · local government · MI0003760 | 166,000 served |
| EAST LANSING, CITY OF buys groundwater · local government · MI0001990 | 33,000 served |
| MERIDIAN TOWNSHIP buys groundwater · local government · MI0004260 | 25,600 served |
| MICHIGAN STATE UNIVERSITY groundwater · local government · MI0004340 | 12,793 served |
| MASON, CITY OF groundwater · local government · MI0004170 | 8,252 served |
| LANSING TOWNSHIP groundwater · local government · MI0003770 | 5,500 served |
| WILLIAMSTON, CITY OF groundwater · local government · MI0007120 | 3,917 served |
| LESLIE, CITY OF groundwater · local government · MI0003840 | 1,872 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 298 people were held in Ingham County's jail, in Vera's latest figure (2020), or 150 per 100,000 residents ages 15–64. In 2015 it was about 606.
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 Ingham County. School taxes are usually the largest part of a property tax bill.
Spent $223.1 million — $193 million to run schools, about $19,256 per student, plus $16.2 million on buildings and equipment. Money in: $82.3 million local (mostly property tax), $97 million state, $63.4 million federal. Long-term debt: $164.2 million.
Spent $104.9 million — $74 million to run schools, about $15,034 per student, plus $24 million on buildings and equipment. Money in: $29.6 million local (mostly property tax), $57.1 million state, $4.6 million federal. Long-term debt: $6 million.
Spent $76 million — $65.7 million to run schools, about $14,309 per student, plus $5.7 million on buildings and equipment. Money in: $32.5 million local (mostly property tax), $47.2 million state, $4.9 million federal. Long-term debt: $24.6 million.
Spent $67.9 million — $51.8 million to run schools, about $13,663 per student, plus $7.4 million on buildings and equipment. Money in: $29.5 million local (mostly property tax), $34.3 million state, $4.1 million federal. Long-term debt: $103.5 million.
Spent $56.5 million — $44.7 million to run schools, about $13,693 per student, plus $8.4 million on buildings and equipment. Money in: $16.2 million local (mostly property tax), $36 million state, $3.8 million federal. Long-term debt: $51.2 million.
Spent $45.9 million — $39.6 million to run schools, about $15,450 per student, plus $2.3 million on buildings and equipment. Money in: $15.5 million local (mostly property tax), $29.8 million state, $2.9 million federal. Long-term debt: $64.3 million.
Spent $29.8 million — $24.4 million to run schools, about $13,244 per student, plus $2.5 million on buildings and equipment. Money in: $10.5 million local (mostly property tax), $20.7 million state, $2.2 million federal. Long-term debt: $41.7 million.
Spent $19.9 million — $17.4 million to run schools, about $15,009 per student, plus $628,000 on buildings and equipment. Money in: $8.6 million local (mostly property tax), $10.1 million state, $2.4 million federal.
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 Moderate compared with other U.S. counties. FEMA estimates natural hazards cost Ingham County about $72.3 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.
241 bridges in Ingham County: 40 in good condition, 171 fair, and 30 poor (12.4%). “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.
| I-496 WB over US-127 SB · built 1970 | 39,163 vehicles a day |
| I-496 EB over RED CEDAR RIVER & RAMP V · built 1970 | 34,831 vehicles a day |
| I-496 EB over CSX RR & TROWBRIDGE RMP · built 1963 | 34,668 vehicles a day |
| I-496 EB over GTW RR · built 1963 | 34,668 vehicles a day |
| I-496EB & US-127SB over I-96 WB · built 1966 | 29,356 vehicles a day |
| I-496 EB over FOREST RD · built 1963 | 29,013 vehicles a day |
Source: Federal Highway Administration, National Bridge Inventory (2025 submission). Includes state, county and city bridges.
Federal grants paid for $4.6 billion of work in Ingham County in fiscal 2025, about $16,305 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 Ingham 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 Ingham County built: brayden.ozark@gmail.com.
More of Michigan: the state government and every county in Michigan.
Nearby counties: Livingston County (23 mi) · Eaton County (24 mi) · Jackson County (25 mi) · Clinton County (26 mi) · Shiawassee County (27 mi) · Washtenaw County (36 mi).