City safety & data profile

GrayslakeIL

Grayslake, IL is a 21K-resident city in Lake County with a median household income of $113,972.

Lake County, Illinois. Federal health, economic, and safety indicators for Grayslake, drawn from the U.S. Census Bureau American Community Survey, CDC PLACES, and CMS Hospital Compare. Grayslake has a population larger than 47% of the 4,640 U.S. cities Areazine tracks, and a median home value of $309,500.

Data updated 2026-07-20

21K
Population
Top 53%
By size
$113,972
Median income
$309,500
Median home
6.3%
Poverty rate

The read on Grayslake

Grayslake posts a median household income higher than 79% of U.S. cities Areazine tracks.

Top 21%
by median income, US cities

Where Grayslake income ranks nationally

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

$113,972 Top 21% higher than 79% 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 Grayslake, IL beyond the headline numbers

Grayslake sits inside Lake County, Illinois, at roughly 42.34°N, -88.04°W. Population 20,915, $113,972 median household income. Median home value $309,500, median rent $1,485. Poverty rate 6.3%, read against that income figure since two cities on the same median can differ underneath it.

CDC PLACES: Grayslake's highest-prevalence health measure is obesity at 31.7%, then short sleep duration at 31.4%.

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

Population
20,915
Grayslake
Median Income
$113,972
+68% vs avg
Median Home Value
$309,500
+36% vs avg
Median Age
37.2
years

10-Year Trends 2013–2024

County-level trend (Lake County) - Grayslake'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
714K+2%
Median Income
$110,416+43%
Median Home Value
$345,700+36%
Poverty Rate
8.3%-8%
Unemployment
5%-46%

Economics

Economics indicators for Grayslake, IL
IndicatorValue
Median Rent
$1,485/mo
Poverty Rate
6.3% -56% vs avg
Unemployment 5.3%
Bachelor's Degree+ 58.5%
Work From Home 19.9%
Public Transit 2%

Population

White 74.9%
African American 8.6%
Asian 5.2%
Two or More Ethnicities 1.1%

Health Profile 15 measures

Health Indicators

Obesity
31.7%
Short Sleep Duration
31.4%
High Blood Pressure
30%
Binge Drinking
17.3%
Physical Inactivity
16.2%
Frequent Mental Distress
14%
Frequent Physical Distress
10%
Current Asthma
9.4%
Diabetes
9.3%
Current Smoking
9.2%

Preventive Care

Dental Visit 70.6%
Annual Checkup 77.1%

Other Measures

Lack of Health Insurance
6%
Coronary Heart Disease
4.7%
Stroke
2.5%

Frequently Asked Questions 5

What is the population of Grayslake, IL? ▼
Grayslake, IL has a population of 20,915 people, located in Lake County, Illinois.
What is the median household income in Grayslake? ▼
The median household income in Grayslake, IL is $113,972 per year, per the U.S. Census ACS. The poverty rate is 6.3%.
What is the median home value in Grayslake? ▼
The median home value in Grayslake, IL is $309,500. Median rent is $1,485/month.
What are the top health concerns in Grayslake? ▼
The top health indicators in Grayslake include Obesity (31.7%), Short Sleep Duration (31.4%), High Blood Pressure (30%). Data from CDC PLACES.
What is the median age in Grayslake? ▼
The median age in Grayslake, IL is 37.2 years. 58.5% of residents have a bachelor's degree or higher.

Safety Context

Grayslake, IL is located in Lake County, Illinois. With a population of 21K and a $113,972 median household income, the community faces health challenges including obesity and short sleep duration. Safety alerts for the Grayslake 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

Round Lake, IL 18K Round Lake Beach, IL 28K Gages Lake, IL 10K Lindenhurst, IL 14K Mundelein, IL 32K Libertyville, IL 20K Wauconda, IL 14K Vernon Hills, IL 26K
All cities in Illinois → Compare Grayslake vs Round Lake → All comparisons → Browse all cities

Using Grayslake'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 Grayslake 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 Grayslake 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 (Lake 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.