Algonquin

IL

McHenry County, Illinois

Population 313K |Median income $104,802

Population
312,591
McHenry County
Median Income
$104,802
+54% vs avg
Median Home Value
$308,100
+35% vs avg
Median Age
40.7
years

10-Year Trends 2013–2024

20132024
Population
313K+1%
Median Income
$104,802+38%
Median Home Value
$308,100+40%
Poverty Rate
6.2%-19%
Unemployment
4.7%-54%

Economics

Median Rent
$1,401/mo
Poverty Rate
6.2% -56% vs avg
Unemployment 4.7%
Bachelor's Degree+ 35.2%
Work From Home 16.1%
Public Transit 1.3%

Population

White 79.5%
Asian 3.1%
African American 1.5%

Health Profile 15 measures

Health Indicators

High Blood Pressure
33.7%
Obesity
32.1%
Short Sleep Duration
30.5%
Physical Inactivity
20.9%
Binge Drinking
18.7%
Frequent Mental Distress
15.4%
Frequent Physical Distress
11.7%
Current Smoking
11.5%
Diabetes
10.5%
Current Asthma
9.6%

Preventive Care

Dental Visit 65.4%
Annual Checkup 77.4%

Other Measures

Lack of Health Insurance
7.9%
Coronary Heart Disease
5.6%
Stroke
2.9%

Alerts & News — Algonquin Area 6

Bushfire Alerts

Storm and Tree Down Alert Issued for Hume Highway Southbound Exit at Bargo

NSW RFS · 34m ago
Weather Warnings high

Severe Thunderstorm Warning Issued for Sydney and Wollondilly/Wingecarribee: Flash Flooding and Large Hail Possible

BOM · 1h ago
Weather Alerts

Fog Advisory Issued for Barrie, Collingwood, and Hillsdale

ECCC · 1h ago
Bushfire Alerts

Planned Hazard Reduction Burn Underway Near Belford in Singleton Council Area

NSW RFS · 12h ago
Weather Alerts high

Flood Warning Issued for Thorn Creek in Cook County Through Monday Afternoon

NOAA · 12h ago
Weather Alerts high

Special Marine Warning Issued for Lake Erie Waters from The Islands to Willowick

NOAA · 1d ago

Frequently Asked Questions 5

What is the population of Algonquin, IL? ▼
Algonquin, IL has a population of 312,591 people, located in McHenry County, Illinois.
What is the median household income in Algonquin? ▼
The median household income in Algonquin, IL is $104,802 per year. The poverty rate is 6.2%.
What is the median home value in Algonquin? ▼
The median home value in Algonquin, IL is $308,100. Median rent is $1,401/month.
What are the top health concerns in Algonquin? ▼
The top health indicators in Algonquin include High Blood Pressure (33.7%), Obesity (32.1%), Short Sleep Duration (30.5%). Data from CDC PLACES.
What is the median age in Algonquin? ▼
The median age in Algonquin, IL is 40.7 years. 35.2% of residents have a bachelor's degree or higher.

Safety Context

Algonquin, IL is located in McHenry County, Illinois. With a population of 313K and a median household income of $104,802, the community faces health challenges including high blood pressure and obesity. Safety alerts for the Algonquin area are monitored from federal and state agencies including FEMA, NOAA, FDA, and CPSC.

Safety Guides

How Product Recalls Work

CPSC, FDA & NHTSA recall process explained

Understanding Weather Alerts

Watch vs warning vs advisory explained

Earthquake Magnitude Explained

What the numbers mean & when to act
All safety guides →

Explore More Data

Schools in Illinois

School ratings, test scores & enrollment → PlainSchools

Crime Rates in Illinois

FBI UCR crime statistics by city → PlainCrime

Rental Data in Illinois

HUD fair market rents & vacancy rates → PlainRent

Cost of Living in Illinois

BEA price parities & Census economics → PlainCost

ZIP Code Data in Illinois

Demographics & economics by ZIP code → PlainZIP

Nearby Cities 8

Lake in the Hills, IL 29K Carpentersville, IL 39K Cary, IL 18K Crystal Lake, IL 40K Huntley, IL 26K Barrington, IL 10K Elgin, IL 112K Wauconda, IL 14K
All cities in Illinois → Browse all cities
Data Sources

All data on this page comes from official U.S. government sources. Population and economic data from the Census Bureau American Community Survey (2022 5-year estimates). Health data from the CDC PLACES program (2023). Hospital ratings from CMS Hospital Compare (2024). Data is county-level (McHenry County) as the smallest consistent geographic unit across all sources.

Disclaimer: This information is provided for informational purposes only and does not constitute professional advice. Data is sourced from the U.S. Census Bureau, FBI UCR, CDC PLACES, and NCES. Consult a qualified professional before making decisions based on this data.