886,175 people (2024 Census estimate, +0.7% since 2020)
479 square miles of land · 1,849 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.
27 active community water systems list Macomb County in the area they serve, reporting 823,290 people served in all (a system that crosses county lines counts its whole population).
| WARREN, CITY OF buys surface water · local government · MI0006900 | 134,056 served |
| STERLING HEIGHTS, CITY OF buys surface water · local government · MI0006385 | 127,000 served |
| CLINTON TOWNSHIP buys surface water · local government · MI0001480 | 100,513 served |
| MACOMB TOWNSHIP buys surface water · local government · MI0003990 | 90,000 served |
| SHELBY TOWNSHIP buys surface water · local government · MI0006010 | 72,000 served |
| ST. CLAIR SHORES, CITY OF buys surface water · local government · MI0006280 | 59,715 served |
| ROSEVILLE, CITY OF buys surface water · local government · MI0005820 | 47,299 served |
| CHESTERFIELD TOWNSHIP buys surface water · local government · MI0001390 | 41,650 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 912 people were held in Macomb County's jail, in Vera's latest figure (2024), or 161 per 100,000 residents ages 15–64. In 2019 it was about 1,034.
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.
21 school districts have their office in Macomb County. School taxes are usually the largest part of a property tax bill.
Spent $413.9 million — $368 million to run schools, about $14,295 per student, plus $32.8 million on buildings and equipment. Money in: $116.8 million local (mostly property tax), $275.6 million state, $27.4 million federal. Long-term debt: $166.6 million.
Spent $237.9 million — $205.8 million to run schools, about $13,999 per student, plus $15.7 million on buildings and equipment. Money in: $86.8 million local (mostly property tax), $162.3 million state, $8.5 million federal. Long-term debt: $439 million.
Spent $245.4 million — $221.8 million to run schools, about $17,520 per student, plus $10.5 million on buildings and equipment. Money in: $79.2 million local (mostly property tax), $140.5 million state, $38.7 million federal. Long-term debt: $221.1 million.
Spent $156.1 million — $142.3 million to run schools, about $15,114 per student, plus $5.8 million on buildings and equipment. Money in: $53.9 million local (mostly property tax), $101.2 million state, $17.1 million federal. Long-term debt: $181.5 million.
Spent $97.9 million — $74.2 million to run schools, about $14,317 per student, plus $17 million on buildings and equipment. Money in: $33.2 million local (mostly property tax), $56.3 million state, $5.2 million federal. Long-term debt: $135.6 million.
Spent $77.7 million — $68.6 million to run schools, about $14,755 per student, plus $3.2 million on buildings and equipment. Money in: $24.3 million local (mostly property tax), $53 million state, $6.2 million federal. Long-term debt: $69.5 million.
Spent $77.2 million — $58.3 million to run schools, about $13,589 per student, plus $15 million on buildings and equipment. Money in: $15.8 million local (mostly property tax), $48.7 million state, $5.1 million federal. Long-term debt: $51.3 million.
Spent $76 million — $68.7 million to run schools, about $16,316 per student, plus $3.3 million on buildings and equipment. Money in: $27.9 million local (mostly property tax), $44.9 million state, $10.9 million federal. Long-term debt: $102 million.
And 13 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 High compared with other U.S. counties. FEMA estimates natural hazards cost Macomb County about $268 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.
417 bridges in Macomb County: 179 in good condition, 208 fair, and 30 poor (7.2%). “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-3 & M-29 over I-94 · built 1963 | 37,832 vehicles a day |
| 21 MILE ROAD over SALT SLANG GLOEDE DRAIN · built 1968 | 22,400 vehicles a day |
| MAPLE LANE RD over RED RUN DRAIN · built 1985 | 14,852 vehicles a day |
| GARFIELD RD over HARRINGTON DRAIN · built 1970 | 13,700 vehicles a day |
| 24 MILE ROAD over NEWLAND DRAIN · built 1965 | 12,500 vehicles a day |
| CROCKER BLVD over CLINTON RIVER · built 1960 | 11,736 vehicles a day |
Source: Federal Highway Administration, National Bridge Inventory (2025 submission). Includes state, county and city bridges.
Federal grants paid for $96.9 million of work in Macomb County in fiscal 2025, about $110 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 Macomb 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 Macomb County built: brayden.ozark@gmail.com.
More of Michigan: the state government and every county in Michigan.
Nearby counties: St. Clair County (22 mi) · Oakland County (24 mi) · Wayne County (32 mi) · Lapeer County (33 mi) · Genesee County (47 mi) · Livingston County (51 mi).