City safety & data profile

Crystal LakeIL

Crystal Lake, IL is a 40K-resident city in McHenry County with a median household income of $108,418.

McHenry County, Illinois. Federal health, economic, and safety indicators for Crystal Lake, drawn from the U.S. Census Bureau American Community Survey, CDC PLACES, and CMS Hospital Compare. Crystal Lake has a population larger than 74% of the 4,640 U.S. cities Areazine tracks, a median home value of $311,400, and 1 hospital serving the surrounding area.

Data updated 2026-07-20

40K
Population
Top 26%
By size
$108,418
Median income
$311,400
Median home
6.8%
Poverty rate

The read on Crystal Lake

Crystal Lake posts a median household income higher than 76% of U.S. cities Areazine tracks, where 1 hospital serves the Crystal Lake area.

Top 24%
by median income, US cities
1
hospital in & near Crystal Lake

Where Crystal Lake income ranks nationally

Median household income vs. every place Areazine profiles (place-level ACS)

$108,418 Top 24% higher than 76% of 3,889 places Areazine profiles

$0–$20,000: 0 places Areazine profiles (0%). Below this entry. $20,000–$40,000: 71 places Areazine profiles (2%). Below this entry. $40,000–$60,000: 788 places Areazine profiles (20%). Below this entry. $60,000–$80,000: 1,055 places Areazine profiles (27%). Below this entry. $80,000–$100,000: 768 places Areazine profiles (20%). Below this entry. $100,000–$120,000: 515 places Areazine profiles (13%). This entry sits in this band. $120,000–$140,000: 308 places Areazine profiles (8%). Above this entry. $140,000–$160,000: 171 places Areazine profiles (4%). Above this entry. $160,000–$180,000: 92 places Areazine profiles (2%). Above this entry. $180,000–$200,000: 47 places Areazine profiles (1%). Above this entry. $200,000–$220,000: 28 places Areazine profiles (1%). Above this entry. $220,000–$240,000: 18 places Areazine profiles (0%). Above this entry. $240,000–$260,000: 28 places Areazine profiles (1%). Above this entry. IL $0 $260,000 every profiled place, bucketed by value

Each bar is a $20K-wide band; taller bars hold more places Areazine profiles. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.

Source U.S. Census Bureau, American Community Survey (place-level) · 2024 ACS 5-year

The quick read

Reading Crystal Lake, IL beyond the headline numbers

Crystal Lake sits inside McHenry County, Illinois, at roughly 42.24°N, -88.32°W. Population 40,448, $108,418 median household income. Median home value $311,400, median rent $1,468. Poverty rate 6.8%, read against that income figure since two cities on the same median can differ underneath it.

CDC PLACES: Crystal Lake's highest-prevalence health measure is high blood pressure at 32.1%, then obesity at 31.7%. 1 hospital in/around Crystal Lake, 0 with an ER.

Sources: U.S. Census ACS, CDC PLACES, CMS Hospital Compare, plus live alerts for Crystal Lake from FEMA, NOAA, FDA, and CPSC. Comparison bars benchmark each metric against the national reference.

Population
40,448
Crystal Lake
Median Income
$108,418
+59% vs avg
Median Home Value
$311,400
+37% vs avg
Median Age
39.3
years

10-Year Trends 2013–2024

County-level trend (McHenry County) - Crystal Lake's own historical series isn't separately published by the Census Bureau, so these year-over-year figures track the surrounding county, not the city alone.

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

Economics indicators for Crystal Lake, IL
IndicatorValue
Median Rent
$1,468/mo
Poverty Rate
6.8% -52% vs avg
Unemployment 4.2%
Bachelor's Degree+ 42%
Work From Home 15%
Public Transit 1.2%

Population

White 81%
African American 0.6%
Asian 3.9%
Two or More Ethnicities 0.7%

Health Profile 14 measures

Health Indicators

High Blood Pressure
32.1%
Obesity
31.7%
Short Sleep Duration
30.3%
Physical Inactivity
19.9%
Binge Drinking
19.2%
Frequent Mental Distress
15.6%
Frequent Physical Distress
11.4%
Current Smoking
11.1%
Current Asthma
9.8%
Lack of Health Insurance
7.4%

Preventive Care

Dental Visit 68.7%
Annual Checkup 77.1%

Other Measures

Coronary Heart Disease
5.2%
Stroke
2.7%

Frequently Asked Questions 6

What is the population of Crystal Lake, IL? ▼
Crystal Lake, IL has a population of 40,448 people, located in McHenry County, Illinois.
What is the median household income in Crystal Lake? ▼
The median household income in Crystal Lake, IL is $108,418 per year, per the U.S. Census ACS. The poverty rate is 6.8%.
What is the median home value in Crystal Lake? ▼
The median home value in Crystal Lake, IL is $311,400. Median rent is $1,468/month.
What are the top health concerns in Crystal Lake? ▼
The top health indicators in Crystal Lake include High Blood Pressure (32.1%), Obesity (31.7%), Short Sleep Duration (30.3%). Data from CDC PLACES.
How many hospitals are in Crystal Lake? ▼
Crystal Lake has 1 hospital. 0 have emergency departments.
What is the median age in Crystal Lake? ▼
The median age in Crystal Lake, IL is 39.3 years. 42% of residents have a bachelor's degree or higher.

Safety Context

Crystal Lake, IL is located in McHenry County, Illinois. With a population of 40K and a $108,418 median household income, the community faces health challenges including high blood pressure and obesity. Residents have access to 1 hospital. Safety alerts for the Crystal Lake 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 →

Primary source data

EPA Outdoor Air Quality Data

Federal monitoring network, every measurement we report

AirNow - Illinois

Real-time AQI for every monitored Illinois location

National Weather Service

NOAA active watches, warnings, advisories

CDC Air Quality & Health

Health-impact reference for every AQI category

EPA NAAQS standards

National Ambient Air Quality Standards, the regulatory thresholds

Nearby Cities 8

Lake in the Hills, IL 29K Algonquin, IL 31K Cary, IL 18K McHenry, IL 27K Carpentersville, IL 39K Huntley, IL 26K Woodstock, IL 25K Wauconda, IL 14K
All cities in Illinois → Compare Crystal Lake vs Lake in the Hills → All comparisons → Browse all cities

Using Crystal Lake's profile

Use this as a starting research checklist, not a verdict on whether to live here.

  • Check live recalls, weather and hazard alerts scoped to the Crystal Lake area before relying on national headlines. Check your area
  • Read the poverty rate alongside the income figure, two places with the same median can have very different realities.
  • Compare Crystal Lake against Illinois peers on any ranking lens. Explore Illinois

Population and economics (income, home value, poverty, education) are place-level U.S. Census ACS; health is CDC PLACES; hospital counts reflect facilities in and around the city.

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 (2024 5-year estimates, place geography). Health data from the CDC PLACES program (2023). Hospital ratings from CMS Hospital Compare (2024). Climate data from NOAA. Education data from NCES. Cost of living from Bureau of Economic Analysis. Crime statistics, where referenced on Areazine, originate from the FBI Crime Data Explorer. Housing market figures referenced on Areazine come from HUD Fair Market Rents. Census economics and population are at place geography; some health and hospital indicators are reported at the county level (McHenry County) where that is the smallest published unit.

Every figure on Areazine is published directly from official U.S. government sources, no number is typed in by an editor. City demographic and health figures are compiled directly from U.S. Census, CDC, and CMS releases, updated quarterly within 30 days of upstream release. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of 2026.