Map the Block › Places › Illinois › McHenry County
McHenry County, Illinois in numbers: crime, income, hazards
FBI reports put McHenry County at 0.67 violent crimes per 1,000 people a year over 2021-2025, 77% lower than the rate for Illinois (3.0). The median household earns $104,802 and the unemployment rate was 4.7% in August 2026. About 312,591 people live in the county.
Last updated . Crime: FBI 2021-2025. Income and housing: Census ACS 2020-2024. Unemployment: BLS August 2026. Road work: October 11, 2026.
Also on the map: income · hazard risk · Superfund · dams
What is the crime rate in McHenry County?
From 2021 through 2025, McHenry County averaged 225 reported violent crimes a year, along with 1,876 property crimes. Per 1,000 residents, the violent-crime rate works out to 0.67: 77% lower than the Illinois rate (3.0), and 82% lower than the national rate (3.7). Property crime ran at 5.6 per 1,000, against 16.0 statewide. CDC death records show about 3 homicide deaths a year in the county (1.0 per 100,000), a count that includes cases police may classify differently.
| Offense (yearly average, 2021-2025) | McHenry County | Per 1,000 | Illinois per 1,000 | U.S. per 1,000 |
|---|---|---|---|---|
| Violent crime | 225 | 0.67 | 3.0 | 3.7 |
| Murder | 2 | 0.01 | 0.07 | 0.06 |
| Rape | 111 | 0.33 | 0.47 | 0.40 |
| Robbery | 7 | 0.02 | 0.86 | 0.62 |
| Aggravated assault | 106 | 0.32 | 1.6 | 2.6 |
| Property crime | 1,876 | 5.6 | 16.0 | 18.1 |
| Burglary | 202 | 0.61 | 2.2 | 2.4 |
| Larceny-theft | 1,567 | 4.7 | 11.2 | 13.0 |
| Motor vehicle theft | 107 | 0.32 | 2.7 | 2.6 |
Most crime never reaches the police, so these are reported crimes, a floor rather than the full count. In 2024 about half of violent crimes (48%) and about 3 in 10 property crimes (31%) were reported to police (U.S. Justice Department, National Crime Victimization Survey). Rates also depend on how completely each agency reports to the FBI. County figures add up the city police and sheriff reports in the county (23 agencies; 100% of residents covered).
What is the median household income in McHenry County?
The median household in McHenry County earns $104,802 a year, 26% higher than the Illinois median ($83,390). Owner-occupied homes have a median value of $308,100, and the median rent is $1,401 a month. 7.4% of households received SNAP benefits in the past year (state: 13.8%). The newest monthly figure from the Bureau of Labor Statistics is 4.7% for August 2026 (preliminary), with 8,181 people out of work and looking.
| Census ACS 2020-2024 | McHenry County | Illinois | United States |
|---|---|---|---|
| Population | 312,591 | 12,694,798 | 334,922,499 |
| Median household income | $104,802 | $83,390 | $80,734 |
| Median home value (owner-occupied) | $308,100 | $263,300 | $332,700 |
| Median gross rent | $1,401 | $1,274 | $1,413 |
| Unemployment rate (2020-2024 average) | 4.7% | 5.8% | 5.2% |
| People below the poverty line | 6.2% | 11.8% | 12.5% |
| Households receiving SNAP (food stamps) | 7.4% | 13.8% | 12.1% |
| Adults 25+ with a bachelor's degree or higher | 35.2% | 37.8% | 35.7% |
| Homeowner households | 82.7% | 67.1% | 65.2% |
| Median age | 40.7 | 39.0 | 38.9 |
| Households with broadband internet | 95.4% | 90.8% | 91.0% |
| People without health insurance | 4.5% | 6.9% | 8.4% |
What natural hazards and environmental sites are in McHenry County?
On FEMA's National Risk Index, McHenry County has an overall natural-hazard risk rating of “Relatively Moderate”. Of the seven hazards on our map, FEMA rates these highest: tornadoes (Relatively High). The index compares counties with each other and also weighs how vulnerable and resilient a community is, so it is a long-run estimate, not a forecast.
Superfund sites
1 Superfund site is on or proposed for EPA's National Priorities List in McHenry County: Woodstock Municipal Landfill. A listing means EPA is managing a long-term cleanup; it does not by itself mean anyone is exposed today.
High-hazard dams
McHenry County has 4 dams classed as high hazard in the National Inventory of Dams. The two tallest are Lake In The Hills Dam 1 (40 ft) and Wonder Lake Dam (27 ft). “High hazard” describes what lies downstream (people would probably die if the dam failed), not how likely the dam is to fail.
Industrial chemical releases
25 facilities in the county filed Toxics Release Inventory reports for 2024, together reporting 75,758 pounds of listed chemicals released on site. Reported releases are legal permitted amounts in most cases.
Disasters, air and water
No federal major disaster declaration covered McHenry County from 2016 through 2025 (COVID-19 excluded). EPA air monitors logged 1 day in 2024 when the air quality index reached “unhealthy for sensitive groups” or worse. Of 32 community water systems, none had an open health-based drinking-water violation in EPA's records (September 2026). EPA puts the county in radon zone 2 (moderate). NHTSA counted 27 traffic deaths in the county in 2024, including 4 pedestrians.
Is there road construction in McHenry County?
McHenry County had 2 highway work zones in the October 11, 2026 feed from the state DOT (all active that day). Where crews are working: IL-120 and Algonquin Rd (IL-62). The map's construction layer is refreshed every morning.
See today's work zones on the map →
How many schools, nursing homes and parks are in McHenry County?
McHenry County has 89 public schools (2024-25) and 17 private schools (2023-24) in federal school lists. 9 nursing homes are certified by Medicare or Medicaid here; star ratings for each are on the map and on Medicare's Care Compare. USGS mapping shows 32 fire or EMS stations and 20 police or sheriff stations. 2 state parks or recreation areas: Disconnected land along river south of Moraine Hills State Park and Morraine Hills State Park.
Gun shops, liquor stores and Planned Parenthood in McHenry County
Gun shops
7 gun shops with a public storefront are on the map in McHenry County (6 from the ATF licensee list, 1 from OpenStreetMap), plus 24 more licensed dealers without a public storefront (not shown). One of them is a pawnshop licensed to sell guns. On the ATF list: Alexander's Jewelry & Loan II LTD (Mchenry), D5 Ranges Marengo (Marengo), Gotyour6Gunsmith (Mchenry), Guns-N-Such (Mchenry), Marengo Guns (Marengo) and Walmart #1377 (Johnsburg).
Liquor stores
35 liquor stores are on the map in McHenry County: 3zero1 Boys BBQ Supply (Johnsburg), Armanetti Express Wine and Liquor (Cary), Armanetti Wine & Liquor (Algonquin), Armanetti wine and sprits (Marengo), Armanetti's (Woodstock), Armanetti's Wine and Spirits (Huntley), Binny's Beverage Depot (2 locations), Binny's Beverage Depot (McHenry) and 26 more. Illinois has no complete public liquor licence list we can use, so this count also draws on OpenStreetMap and Overture Maps and may miss some stores or include closed ones.
Planned Parenthood
There is no Planned Parenthood health center in McHenry County on the map.
See them on the map: gun shops · liquor stores →
Sources: ATF licensee list (Sept 2026); state liquor licence lists, OpenStreetMap and Overture Maps (non-official; partial in some states); HHS Title X directory and CMS NPPES.
Common questions
What is the crime rate in McHenry County?
McHenry County averaged 225 reported violent crimes a year in 2021-2025, or 0.67 per 1,000 residents, 77% lower than the Illinois rate (3.0). The property-crime rate was 5.6 per 1,000 (FBI Uniform Crime Reporting).
What is the median household income in McHenry County?
$104,802 (Census American Community Survey, 2020-2024 average), compared with $83,390 for Illinois and $80,734 nationally.
What is the unemployment rate in McHenry County?
The newest monthly figure from the Bureau of Labor Statistics is 4.7% for August 2026 (preliminary), with 8,181 people out of work and looking.
What natural hazards affect McHenry County?
On FEMA's National Risk Index, McHenry County has an overall natural-hazard risk rating of “Relatively Moderate”. Of the seven hazards on our map, FEMA rates these highest: tornadoes (Relatively High).
Are there Superfund sites in McHenry County?
1 Superfund site is on or proposed for EPA's National Priorities List in McHenry County: Woodstock Municipal Landfill.
Is there road construction in McHenry County right now?
McHenry County had 2 highway work zones in the October 11, 2026 feed from the state DOT (all active that day). Where crews are working: IL-120 and Algonquin Rd (IL-62).
How many nursing homes are in McHenry County?
9 Medicare- or Medicaid-certified nursing homes (CMS provider data, September 2026).
How does McHenry County compare with neighboring counties?
| County | Population | Violent crimes per 1,000 (2021-25) | Median household income |
|---|---|---|---|
| Boone County | 53,230 | 1.2 | $84,571 |
| Cook County | 5,182,090 | 3.8 | $83,498 |
| DeKalb County | 100,703 | 2.5 | $70,724 |
| Kane County | 517,255 | 1.7 | $103,163 |
| Kenosha County, WI | 168,438 | 3.0 | $81,239 |
| Lake County | 714,223 | 1.3 | $110,416 |
| Walworth County, WI | 105,657 | 1.0 | $80,520 |
More: Illinois statewide numbers · Sex-offender registry search (U.S. Justice Department, NSOPW)
Where do these numbers come from?
- Crime: FBI Uniform Crime Reporting 2021-2025 (agency level, Return A), averaged and summed by county by Map the Block; Census population; state and national rates: FBI estimated crimes 2021-2025.
- Income, housing, education: U.S. Census Bureau, American Community Survey 2020-2024 5-year, table B19013 (median household income) and related tables.
- Monthly unemployment: U.S. Bureau of Labor Statistics, Local Area Unemployment Statistics (LAUS), county data, not seasonally adjusted. Public domain.
- Hazards: FEMA National Risk Index v1.20 (December 2025), county scores; disasters: FEMA OpenFEMA Disaster Declarations Summaries.
- Superfund: U.S. EPA, Superfund site boundaries and NPL status (October 2026). Dams: U.S. Army Corps of Engineers, National Inventory of Dams (public map service, October 2026). Chemical releases: U.S. EPA Toxics Release Inventory, reporting year 2024 (basic data file).
- Air and water: U.S. EPA AirData, annual AQI by county 2024; EPA Air Quality Design Values 2023-2025 (June 2026); U.S. EPA SDWIS via ECHO drinking-water download (September 30, 2026). Traffic deaths: NHTSA Fatality Analysis Reporting System (FARS) 2024; Census population.
- Work zones: State departments of transportation, via the U.S. DOT Work Zone Data Exchange (WZDx) and state 511 feeds; refreshed every morning (snapshot October 11, 2026).
- Schools: National Center for Education Statistics, EDGE public school locations 2024-25; budgets: U.S. Census Bureau, Annual Survey of School System Finances, fiscal year 2024; National Center for Education Statistics, EDGE Private School geocodes (Private School Survey 2023-24). Nursing homes: U.S. Centers for Medicare & Medicaid Services, Nursing Home Provider Information and Penalties (September 2026). Stations: U.S. Geological Survey, National Structures Dataset (Fire Stations/EMS Stations), October 2026 pull.
- Parks: USGS Protected Areas Database of the U.S. (PAD-US 4.1); state park agencies' open data (CA, NY, PA, TN, TX, FL, NJ, KY, HI, UT, MT and others); OpenStreetMap contributors for some hours, phones, fees and camping; U.S. National Park Service: unit boundaries (Land Resources Division), Acreage Report (Sept 30, 2026), park pages on nps.gov (hours, fees), Visitor Use Statistics (2025).
Map the Block shows public statistics about places, not people, and does not rate or rank neighborhoods as places to live. Figures are as published by each source; check the source before relying on a number.
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