City profile · Illinois · Census ACS 2023

Grayslake, IL

Population, income, housing, safety, climate and schools for Grayslake - drawn straight from Census ACS, FBI UCR, NOAA, NCES, HUD and FEMA, refreshed on the 2024–2025 release cycle.

20,707
Residents
$113,697
Median income
$293,900
Median home
$1,781
Median rent (state)

Grayslake - the verdict

Out of every US city with 1,000+ residents, Grayslake places in the 85th percentile for household income and the 76th percentile for safety. Source: Census ACS + FBI UCR.

85th
percentile, household income
64th
percentile, home value
72nd
percentile, median rent
76th
percentile, safety
📝 How we sourced this

Population, income, and housing-cost figures come from the U.S. Census Bureau American Community Survey 5-year estimates (B-series tables). Crime data uses FBI UCR; climate uses NOAA Climate Normals; school counts come from NCES Common Core of Data; permits use the Census Building Permits Survey (BPS). See our methodology page for the full ETL pipeline and OMB / FIPS join keys.

Data Snapshot: Grayslake, IL

Illinois's Grayslake is a small city, with 20,707 residents per the latest Census Bureau ACS figures. Grayslake households earn a median of $113,697 annually, placing it in the top quartile of U.S. cities for household income, with a poverty rate of 4.1%. Typical homes in Grayslake are valued around $293,900, and the median resident age is 35.9 years. 59.1% of adults here have a bachelor's degree or higher; 69.4% of working-age residents are in the labor force.

The Census Building Permit Survey recorded 8 residential units authorized here in 2024 (Building Boom), up 700% from five years earlier. Grayslake reports a comparatively low crime rate: the FBI's Uniform Crime Reporting program logs 706.6 total incidents per 100,000 residents here, below the national average (agency reporting is voluntary, so this measures reporting activity, not a definitive danger score).

Illinois tracks close to the national cost-of-living baseline: BEA Regional Price Parities 2024 puts Illinois at 100.0 on a 100-equals-national-average scale (Near Average). Statewide, HUD pegs Fair Market Rent for a two-bedroom unit at $1,781 monthly. Statewide, average monthly utility bills in Illinois run around $240, per EIA 2023 residential energy data. Natural-hazard exposure scores 96.0 out of 100 on FEMA's National Risk Index (Very High).

Population

20,707 residents

Census ACS 2023 - Illinois

Median Household Income

$113,697 /yr

Poverty 4.1%

Cost of Living Index (state)

100.0 (US=100)

Near Average - BEA RPP 2024, Illinois average

How does Grayslake compare to other US cities?

Here's how Grayslake stacks up against the full field of US cities (population 1,000+), computed live from Census and FBI data.

Household income 85% higher than other cities
Home value 64% pricier than other cities
Median rent 72% pricier than other cities
Safety 76% safer than other cities

"Safer than" reflects total crime rate from FBI UCR; the others use Census ACS estimates.

Zoom in to just Illinois and the picture shifts: Grayslake ranks #166 of 455 Illinois cities by lowest crime rate, a different read than the national percentile above.

How we calculate these percentiles & ranks

Each percentile compares Grayslake against every qualifying US city; each in-state rank narrows that to Illinois only. Full formula and direction notes: methodology.

Illinois-relative analysis

Bachelor's Degree or Higher is Grayslake's strongest outlier among Illinois cities

Among the 1,336 Illinois cities PlainCities tracks with reported bachelor's degree or higher data, Grayslake ranks #69 - the 95th percentile within the state. This is a different, narrower cut than the nationwide percentiles above: it compares Grayslake only against its own state's cities, not the full US field.

Median Household Income
#130 of 1,311
90th percentile in Illinois
Median Gross Rent
#17 of 1,336
77th percentile in Illinois
Median Home Value
#159 of 1,315
88th percentile in Illinois
Poverty Rate
#919 of 1,335
31st percentile in Illinois
Bachelor's Degree or Higher
#69 of 1,336
95th percentile in Illinois

Ranked by raw value (highest first); a higher rank is not automatically "better" for every measure, see each metric's own context above. This is a comparison within Illinois only, not a livability score. See the methodology for the source and calculation.

85thIncome percentile
76thSafety percentile

85th percentile nationally for median household income · 76th percentile for safety (lower crime rate). Source: Census ACS 2023 / FBI UCR 2023.

Grayslake's profile vs. every US city

Income, affordability, and safety percentile

Grayslake's percentile rank on 3 favorable-direction measures (income, affordability, safety) vs. every tracked US city -- higher on every axis is more favorable. Not a composite quality score, just the arithmetic mean of the axes shown. 3-axis radar comparing 1 series across Income, Affordability, Safety. IncomeAffordabilitySafety 64 Avg. percentile National median
Grayslake's percentile rank on 3 favorable-direction measures (income, affordability, safety) vs. every tracked US city -- higher on every axis is more favorable. Not a composite quality score, just the arithmetic mean of the axes shown.

How Grayslake's home value compares nationally

Median home value vs. every US city (population 1,000+)

$293,900 36th percentile more affordable than 36% of 15,600 US cities

$0–$25,000: 5 US cities (0%). Below this entry. $25,000–$50,000: 54 US cities (0%). Below this entry. $50,000–$75,000: 352 US cities (2%). Below this entry. $75,000–$100,000: 1,086 US cities (7%). Below this entry. $100,000–$125,000: 1,516 US cities (10%). Below this entry. $125,000–$150,000: 1,170 US cities (8%). Below this entry. $150,000–$175,000: 1,278 US cities (8%). Below this entry. $175,000–$200,000: 1,229 US cities (8%). Below this entry. $200,000–$225,000: 1,035 US cities (7%). Below this entry. $225,000–$250,000: 976 US cities (6%). Below this entry. $250,000–$275,000: 754 US cities (5%). Below this entry. $275,000–$300,000: 712 US cities (5%). This entry sits in this band. $300,000–$325,000: 521 US cities (3%). Above this entry. $325,000–$350,000: 526 US cities (3%). Above this entry. $350,000–$375,000: 465 US cities (3%). Above this entry. $375,000–$400,000: 393 US cities (3%). Above this entry. $400,000–$425,000: 317 US cities (2%). Above this entry. $425,000–$450,000: 300 US cities (2%). Above this entry. $450,000–$475,000: 307 US cities (2%). Above this entry. $475,000–$500,000: 250 US cities (2%). Above this entry. $500,000–$525,000: 160 US cities (1%). Above this entry. $525,000–$550,000: 156 US cities (1%). Above this entry. $550,000–$575,000: 172 US cities (1%). Above this entry. $575,000–$600,000: 172 US cities (1%). Above this entry. $600,000–$625,000: 163 US cities (1%). Above this entry. $625,000–$650,000: 167 US cities (1%). Above this entry. $650,000–$675,000: 135 US cities (1%). Above this entry. $675,000–$700,000: 101 US cities (1%). Above this entry. $700,000–$725,000: 95 US cities (1%). Above this entry. $725,000–$750,000: 71 US cities (0%). Above this entry. $750,000–$775,000: 65 US cities (0%). Above this entry. $775,000–$800,000: 70 US cities (0%). Above this entry. $800,000–$825,000: 57 US cities (0%). Above this entry. $825,000–$850,000: 67 US cities (0%). Above this entry. $850,000–$875,000: 60 US cities (0%). Above this entry. $875,000–$900,000: 58 US cities (0%). Above this entry. $900,000–$925,000: 47 US cities (0%). Above this entry. $925,000–$950,000: 37 US cities (0%). Above this entry. $950,000–$975,000: 31 US cities (0%). Above this entry. $975,000–$1,000,000: 470 US cities (3%). Above this entry. $1,000,000–$1,025,000: 0 US cities (0%). Above this entry. Grayslake $0 $1,025,000 every US city, bucketed by value

Each bar is a $25K-wide band; taller bars hold more US cities. 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 ACS 5-Year Estimates · 2023

Income distribution context

Household income distribution - Grayslake, IL Grayslake, IL's reported median household income shown against the U.S. national quintile-share pattern (not Grayslake, IL-specific quintile data). The Lorenz curve traces the national cumulative income share against cumulative population share, perfect equality is the diagonal; observed inequality bows below. $ Household Income Distribution Grayslake, IL median $113,697/yr, vs. U.S. national quintile pattern QUINTILE SHARE OF AGGREGATE INCOME Lowest 20% 3.4% Second 20% 9.2% Middle 20% 15.1% Fourth 20% 23.2% Top 20% 49.1% LORENZ CURVE cumulative income vs. population 100% 0% 100% pop. 0%
Grayslake, IL's median household income (Census ACS 5-year estimate) plotted against the U.S. national income-quintile distribution pattern for context; the quintile shares and Lorenz curve are national figures, not computed specifically for Grayslake, IL. Diagonal = perfect equality.

Key socioeconomic indicators

Bachelor's degree or higher (adults 25+) 59.1%

Census ACS S1501, educational attainment

Poverty rate (households below FPL) 4.1%

Census ACS S1701, poverty status

Labor force participation (adults 16+) 69.4%

Census ACS S2301, share of working-age residents in the labor force

Population
20,707
Median Income
$113,697
Median Home Value
$293,900
Median Age
35.9
Poverty Rate
4.1%
Labor force participation
69.4%
Bachelor's Degree+
59.1%

Safety & Crime

Total Crime Rate
706.6
per 100,000 residents
Violent Crime
65.7
per 100,000 residents
Property Crime
640.9
per 100,000 residents

Reflects incidents reported to the FBI's Uniform Crime Reporting program — agency participation is voluntary and reporting completeness varies by jurisdiction and year, so this reflects reporting activity, not a definitive danger score. Not adjusted for tourism, commuter, or daytime population.

Schools

Total Schools
7
Public schools in this city

Population Change

Annual U.S. Census Bureau Population Estimates Program (PEP) estimates, 2020–2025

See the fastest-growing cities →
21,000 residents21,050 residents21,100 residents21,150 residents21,200 residents21,250 residents 202020212022202320242025 21,224 residents 21,140 residents ▼ -0.4%
Grayslake's Census PEP population estimates, 2020–2025.

Housing Supply

Census Bureau Building Permits Survey (BPS) - annual residential permits authorized

📈 Building Boom
Total Permits (2024)
8
housing units authorized
Single-Family
8
detached homes
Multifamily
0
apartments & condos
Supply Intensity
0.4
permits per 1,000 residents

5-Year Permit Trend (2019–2024)

Year Total
2019 1
2020 2
2021 1
2022 26
2023 29
2024 8

Permit volume increased 700% from 2019 to 2024.

Commute Patterns

How workers travel to work, Census ACS 2023

Drive Alone
70.2%
Carpool
8.6%
Public Transit
2.2%
Walk
0.8%
Work from Home
17.3%
Other
0.9%

Based on 11,615 workers 16 and over.

Monthly Utility Costs

State-average estimates for Illinois - EIA 2023 residential energy data

Electricity
$100
avg/month
Natural Gas
$90
avg/month
Water & Sewer
$50
avg/month
Total Utilities
$240
estimated/month

Estimates reflect Illinois state averages. Actual costs vary by home size, usage, and local rates. Source: U.S. Energy Information Administration (EIA) 2023.

Living Costs & Risk

Cost of living is a Illinois state average from BEA; rent and hazard risk are county-level figures from HUD and FEMA for the county Grayslake sits in

Cost of Living Index
100.0
Near Average
US average = 100 · BEA RPP 2024
Typical 2-BR Rent
$1,781/mo
HUD Fair Market Rent
County-level FMR estimate
Natural Hazard Risk
96.0 / 100
Very High
FEMA NRI composite score (county)

Similar Cities in Illinois

East Moline
20,837 people
Park Forest
20,898 people
Libertyville
20,493 people
Dolton
20,979 people
Frankfort
20,417 people
South Holland
21,016 people

Cities of a Similar Size Nationwide

Population-matched peers from other states, closest to Grayslake's 20,707 residents (Census ACS 5-Year 2023).

Montrose, CO
20,703 people
Wade Hampton, SC
20,703 people
Lockport, NY
20,699 people
Marquette, MI
20,691 people
West Pensacola, FL
20,679 people
Forest Lake, MN
20,678 people

Cities with a Similar Household Income Nationwide

Median-household-income-matched peers from other states, closest to Grayslake's $113,697 (Census ACS 5-Year 2023, table B19013).

DeCordova, TX
$113,676 median income
St. James, NC
$113,670 median income
Pompton Plains, NJ
$113,661 median income
Wylie, TX
$113,661 median income
Willow Park, TX
$113,736 median income
Loxahatchee Groves, FL
$113,654 median income

Race & Ethnicity Composition

Race and ethnicity - Grayslake, IL Race categories sum to one hundred percent per Census methodology. Hispanic or Latino is shown separately as an ethnicity overlay; it cuts across all race categories per OMB Directive 15. Race & Ethnicity Composition Grayslake, IL - Census ACS, OMB race + ethnicity categories RACE, sums to 100% 75.7% 8.6% 9.3% ETHNICITY, Hispanic or Latino (any race) 12.3% White 75.7% Black or African American 8.6% Asian 3.9% American Indian 0.5% Native Hawaiian 0.1% Some other race 2.0% Two or more races 9.3% Per OMB Directive 15: Hispanic/Latino ethnicity is reported separately from the race categories.
Race categories sum to 100%. Hispanic or Latino ethnicity is reported separately and cuts across race per Census/OMB methodology.

City-level race and ethnicity, Census ACS 5-year 2023 (tables B02001, B03001), OMB Directive 15 categories.

How Grayslake compares to nearby Illinois cities

Population + median household income, sourced from Census Bureau ACS 5-year B01001 (population) and B19013 (median household income).

City Population Median Household Income
Grayslake (this city) 20,707 $113,697
East Moline 20,837 $63,328
Park Forest 20,898 $62,305
Libertyville 20,493 $162,270
Census ACS 5-year FIPS IL FBI UCR NCES CCD Census BPS 2024 OMB Bulletin 23-01

What do people ask about Grayslake, IL?

What is the population of Grayslake, IL? +

The population of Grayslake, IL stands at 20,707 according to U.S. Census Bureau ACS 2023 estimates.

What is the median household income in Grayslake, IL? +

The median household income in Grayslake is $113,697 per year, based on Census ACS 2023 data.

What is the cost of living in Grayslake? +

BEA does not publish a city-level cost-of-living figure for Grayslake; the closest available measure is the Illinois state average, a cost of living index of 100.0 (U.S. average = 100), rated "Near Average" based on BEA Regional Price Parities 2024 data. Costs within Illinois vary by metro area.

Is Grayslake, IL safe? +

Grayslake has a total crime rate of 706.6 per 100,000 residents, which is below the national average. This reflects incidents reported to the FBI UCR program, not a definitive safety score -- agency reporting is voluntary and completeness varies by jurisdiction.

What is the median home value in Grayslake, IL? +

The median home value in Grayslake is $293,900, according to Census ACS 2023 estimates.

Source: U.S. Census Bureau ACS 5-Year 2023, FBI UCR, NCES CCD, Census BPS 2024, Census ACS B08301/B08136, U.S. Energy Information Administration (EIA) 2023, BEA Regional Price Parities 2024, HUD Fair Market Rents 2026, FEMA National Risk Index.

Read our methodology - how this data is sourced, computed, and verified.

Primary sources: Census ACS, FBI UCR, NOAA Climate Normals, NCES.

Citation & verification links Data sourced from the U.S. Census Bureau. See our methodology for details. Retrieved and formatted by PlainCities

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Every figure on PlainCities is rendered directly from Census ACS source data, no number is typed in by an editor. This page draws directly on Census ACS source data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.