Onalaska, WI
Population, housing, work, and travel data for this Census place.
- Population
- 20,297
- Median home
- $288,900
Census place 1731121
Grayslake
A Census profile of the people, homes, and daily patterns that shape this place.
Official Census name: Grayslake villageRelocation snapshot
What stands out in Grayslake.
According to the 2025 estimate, Grayslake has a population of 21,140 and 1,934 residents per square mile. Of the six relocation measures evaluated, the three largest relative differences from the median among 225 covered Illinois places are: population density is 1,934/sq mi, below the comparison median of 2,707/sq mi; median household income is $113,972, above the comparison median of $90,282; and median home value is $309,500, above the comparison median of $274,000. These unweighted medians compare covered Census places and are not statewide estimates.
- population density
- 1,934/sq mi Below the comparison median of 2,707/sq mi
- median household income
- $113,972 Above the comparison median of $90,282
- median home value
- $309,500 Above the comparison median of $274,000
National context
Follow the metrics.
Compare Grayslake's values with other covered Census places. Rankings are descriptive, not recommendations.
At a glance
A city in numbers.
- Population
- 21,140 2025 estimate
- Annual change
- -0.1% Population estimate
- Density
- 1,934/sq mi 10.9 sq mi land area
- Median age
- 37.2 years ACS 5-year estimate
Living here
The everyday equation.
Households, homes, education, and the time it takes to get around.
- Median household income
- $113,972
- Median home value
- $309,500
- Median gross rent
- $1,485
- Bachelor’s degree or higher
- 58.5%
- Typical commute
- 27.2 min
- Drive-alone commute
- 68.8%
- Public transit commute
- 2%
- Walked to work
- 0.9%
Housing
Who rents, and what it takes.
Renter share and rent burden help describe the housing choices visible in this place.
- Renter-occupied homes
- 21.8%
- Renters paying 30%+ of income
- 50.2%
Work
How the workday lands.
Employment status and working-from-home share add context to income and commuting patterns.
- Employed residents 16+
- 67.8%
- Unemployed residents 16+
- 3.9%
- Working from home
- 19.9%
Community
The everyday infrastructure.
Access, mobility, housing growth, and household composition add another layer to a place's day-to-day picture.
- Households with broadband
- 95.7%
- Homes built 2020+
- 0.1%
- Households without a vehicle
- 3.7%
- Households with children
- 33.9%
- Residents with a disability
- 9.7%
- Residents without insurance
- 3%
Environmental context
A record of declared events.
FEMA declarations for Lake County provide historical context, not a forecast or a property-level risk assessment.
- Environmental declarations since 2000
- 7
- Snowstorm declarations
- 3
- Severe Storm declarations
- 2
- Flood declarations
- 1
Climate normals
The long view of weather.
Thirty-year averages, not a forecast. Temperature and precipitation describe the typical conditions recorded from 1991 through 2020.
Representative station: CHICAGO WAUKEGAN RGNL AP (10 mi from place center)- Average high
- 57.2°F
- Average low
- 39.3°F
- Annual rainfall
- 35.3"
- Annual snowfall
- 0"
Month by month
A year in Grayslake.
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Data vintage
Population is from the 2025 Population Estimates Program. Household, housing, education, and commute data are from the 2020-2024 American Community Survey 5-year release. Disaster declarations are from FEMA's OpenFEMA dataset and are refreshed with this edition.
Population estimatesACS profileTIGERweb boundaryNOAA climate normalsFEMA declarations
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Population, housing, work, and travel data for this Census place.
- Population
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- Median home
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Population, housing, work, and travel data for this Census place.
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Keep exploring
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