Grayslake village, Illinois Demographics & Population 2026
As of 2026, Grayslake village, Illinois has a total population of 20,707, the 118th largest city in Illinois, with a median household income of $113,697, which is 39% higher than the state average. The poverty rate is 5.6%.
Key Takeaways
- Household income is 39% above the state average — one of the wealthiest communities in Illinois.
- 59.1% of adults hold a bachelor's degree or higher — top 10% in Illinois.
Grayslake village Quick Facts
How Grayslake village Compares
Median Household Income
Median Home Value
Economy & Housing
Household Income Distribution
Employment
Housing Overview
People & Demographics
Age Distribution
Race & Ethnicity
Diversity Index
Moderate diversity with one or two groups making up the majority.
State average: 60 | National average: 60
Education
Educational Attainment (Adults 25+)
Grayslake village Rankings in Illinois
Explore Illinois Rankings
Cities Similar to Grayslake village
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Darien city | 21,855 | $109,354 | $386,400 | 51.7% | 3.8% |
| Brookfield village | 19,235 | $108,429 | $314,000 | 41.8% | 5.0% |
| Yorkville city | 22,350 | $108,775 | $314,200 | 40.7% | 3.1% |
| Mokena village | 19,906 | $129,017 | $377,100 | 44.5% | 4.5% |
| Montgomery village | 21,205 | $96,985 | $270,700 | 29.0% | 8.8% |
Population Overview
Grayslake village is a small city located in Illinois. The total population is 20,707. It ranks as the 118th most populous out of 1,445 cities and towns in Illinois.
Age Demographics
The median age in Grayslake village is 35.9 years. This is 8% lower than the state median of 38.9 years.
Economy, Income & Housing
The median household income in Grayslake village is $113,697. This is 39% higher than the state median of $81,702. Compared to the national median of $78,538, household income here is 45% higher. The poverty rate stands at 5.6%. This is 52% lower than the state poverty rate of 11.7%. The unemployment rate is 5.7%. This is 2% lower than the state rate of 5.8%. The median home value is $293,900. Housing costs are 17% higher than the state median of $250,500. With a home-value-to-income ratio of just 2.6x, Grayslake village is one of the most affordable housing markets in the area. 76.3% of occupied housing units are owner-occupied. This homeownership rate is 14% higher than the state average of 66.8%.
Race & Ethnicity
The largest racial or ethnic group in Grayslake village is White (non-Hispanic), making up 70.1% of the population. Hispanic or Latino residents account for 12.3%.
Education
59.1% of residents aged 25 and older hold a bachelor's degree or higher. This places Grayslake village in the top 10% of all cities in the state for educational attainment. This is 59% higher than the state rate of 37.2%. Nationally, 35.0% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 97.2%. Notably, 22.3% of adults hold a graduate or professional degree, indicating a highly educated workforce.
Data Sources & Methodology
All demographic data for Grayslake village, Illinois is sourced from the U.S. Census Bureau's American Community Survey (ACS) 5-Year Estimates (2019-2023). The ACS collects data from approximately 3.5 million households annually, providing reliable estimates for communities of all sizes. Comparisons are made against Illinois state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 1,445 Census-designated places in Illinois. For official data, visit data.census.gov.
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Frequently Asked Questions
What is the population of Grayslake village, Illinois?
Grayslake village, Illinois has a population of 20,707 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Grayslake village, IL?
The median household income in Grayslake village is $113,697, which is 45% higher the national median of $78,538.
What is the poverty rate in Grayslake village, IL?
The poverty rate in Grayslake village is 5.6%. This means approximately 1,152 residents live below the federal poverty line.
What is the racial makeup of Grayslake village, Illinois?
Grayslake village's population is 70.1% White, 8.6% Black, 12.3% Hispanic/Latino, and 3.9% Asian.
What is the median home value in Grayslake village, IL?
The median home value in Grayslake village is $293,900. The home-value-to-income ratio is 2.6x.
How educated is Grayslake village, Illinois?
59.1% of adults (25+) in Grayslake village hold a bachelor's degree or higher, and 22.3% hold a graduate or professional degree.