McHenry, IL

County incident profile · 2020–2024

191,629
5-Year Incidents
16
Departments
310,151
Population
123.6
Incidents / 1K / Yr
Data disclaimer: Based on the NFIRS Public Data Release (2020-2024). NFIRS is voluntarily reported and may not include all departments or incidents. Some departments have missing years or incomplete records. Totals shown reflect data as submitted and may not represent complete activity.

Incident Composition (2020–2024)

EMS / Rescue
133,255 (69.5%)
Service Calls
21,030 (11%)
False Alarms
17,176 (9%)
Good Intent
9,974 (5.2%)
Fire
4,082 (2.1%)

Summary

38,326
Avg Incidents / Year
69.5%
EMS Share
2.1%
Fire Share
9%
False Alarm Rate
+42.3%
5-Year Trend
16
Departments
Showing 16 of 16
Department 5-Year Incidents Fire % EMS % False Alarm % Trend
Mchenry Twp Fpd 34,396 1.4% 74.6% 6.3% +33.4%
Crystal Lake FD 33,107 1% 63.2% 13% +48.4%
Huntley Fpd 30,896 2.5% 69.8% 10.2% +76%
Woodstock Firerescue Dist 25,932 1.5% 71.6% 8.3% +29.2%
Algonquinlake in the Hill Fpd 22,826 1.8% 71.7% 12.2% +27.1%
Cary Fpd 9,864 0.9% 74.4% 7.5% +120.2%
Marengo Fpd 8,349 2.1% 73% 5.2% +43%
Harvard Fpd 6,233 3.6% 67% 4.3% -10.1%
Wonder Lake Fpd 5,312 3.7% 71% 3.4% +23.6%
Spring Grove Fpd 3,697 4.7% 57.9% 10.8% +63.2%
Fox River Grove Fpd 3,627 5.2% 65.1% 4.5% -12%
Richmond Twp Fpd 3,328 6.2% 68.7% 5.6% +102.9%
Hebronaldengreenwood Fpd 1,884 6.7% 56.5% 5.9% +46.2%
Nunda Rural Fpd 1,516 10.8% 51.6% 6.5% +60.4%
Union Fpd 662 23.7% 22.2% 7.1% -17.8%
Lakewood FD 0 0% 0% 0%
No departments match your search.

Want deeper analysis?

We help fire departments with data analysis, grant support, and community risk planning.