Lake in the Hills, Illinois Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates
The population of Lake in the Hills, Illinois is 28,853 as of the 2023 American Community Survey, making it the 68th-largest city in Illinois. The median household income is $113,491, the median home value is $296,400, and the median age is 36.6.
The population has declined 0.9% since 2010 (28,962 → 28,706).
28,853
Population
2827
People / sq mi
$113,491
Median Income
$296,400
Median Home Value
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Lake in the Hills covers 10.2 sq mi of land at 2827 people per square mile.
About Lake in the Hills, IL
The poverty rate is what most separates Lake in the Hills from the typical city: 1.7% of residents live below the federal poverty line, against 12.4% nationally. Lake in the Hills is a city in Illinois with a population of 28,853.
The typical household earns $113,491 a year, above the US median of $78,538. Very few residents live in poverty — 1.7%, below the national 12.4%. Median home value is $296,400, with typical rent around $1,634.
Degree attainment is mid-range for US cities: 36.7% of adults hold a four-year degree, near the national 35.0%. About 15.7% of the workforce is home-based, above the national 14.0%, and the average commute runs about 32 minutes each way.
Lake in the Hills village Population History (2010-2024)
The city of Lake in the Hills village had a population of 28,962 in 2010 and 28,706 in 2024, a -0.9% growth over 14 years. The peak was 29,041 in 2012. Average annual growth rate: -0.06%.
28,706
Population (2024)
28,962
Population (2010)
29,041
Peak (2012)
-0.06%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 28,962 |
| 2011 | 28,857 |
| 2012 | 29,041 |
| 2013 | 28,850 |
| 2014 | 28,792 |
| 2015 | 28,871 |
| 2016 | 28,742 |
| 2017 | 28,756 |
| 2018 | 28,743 |
| 2019 | 28,634 |
| 2020 | 28,927 |
| 2021 | 28,974 |
| 2022 | 28,711 |
| 2023 | 28,709 |
| 2024 | 28,706 |
Race & Ethnicity
| White | 73.5% |
| Black or African American | 3.5% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 0.9% |
| Two or More Races | 0.0% |
Economy & Income
$113,491
Median Household Income
$43,795
Per Capita Income
1.7%
Poverty Rate
4.6%
Unemployment Rate
Housing
$296,400
Median Home Value
$1,634
Median Rent
84.5%
Owner-Occupied
Education
95.6%
High School+
36.7%
Bachelor's+
Commute
0.6%
Drive Alone
73.0%
Public Transit
15.7%
Work From Home
32.3 min
Avg Commute
Community Profile
14.3%
Foreign Born
78.7%
Non-English at Home
3.3%
Veterans
9.0%
With Disability
96.2%
Health Insurance
98.5%
Internet Access
Employment by Industry
| Professional, Scientific & Management | 19.7% |
| Manufacturing | 14.5% |
| Finance, Insurance & Real Estate | 10.9% |
| Education, Health Care & Social Services | 8.0% |
| Information | 8.0% |
| Retail Trade | 6.7% |
| Construction | 6.6% |
| Public Administration | 3.6% |
| Arts, Entertainment & Food Services | 3.1% |
| Transportation & Warehousing | 1.4% |
| Agriculture & Mining | 0.3% |
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Frequently Asked Questions
Lake in the Hills, Illinois has a population of 28,853 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 68th-largest city in Illinois.
The median household income in Lake in the Hills, Illinois is $113,491, with 1.7% of residents living below the federal poverty level.
The median home value in Lake in the Hills, Illinois is $296,400, with median monthly rent at $1,634 and a homeownership rate of 84.5%.
The median age in Lake in the Hills, Illinois is 36.6 years. The population is 49.4% male and 50.6% female.
The population has declined 0.9% since 2010 (28,962 → 28,706).
Lake in the Hills village, IL Climate
Lake in the Hills village, IL has an average annual temperature of 8.9°C (48°F) and receives about 918 mm of precipitation per year. The warmest month is July and the coldest is January. Figures are 1970–2000 climate normals.
8.9°C
Avg Temp
918
Precip (mm/yr)
Jul
Hottest Month
Jan
Coldest Month
| Month | Avg (°C/°F) | Precip |
|---|---|---|
| January | -7° / 20° | 39 mm |
| February | -4° / 25° | 31 mm |
| March | 2° / 36° | 64 mm |
| April | 9° / 47° | 93 mm |
| May | 15° / 58° | 89 mm |
| June | 20° / 68° | 106 mm |
| July | 23° / 73° | 104 mm |
| August | 22° / 71° | 106 mm |
| September | 17° / 63° | 99 mm |
| October | 11° / 51° | 63 mm |
| November | 3° / 38° | 71 mm |
| December | -3° / 26° | 53 mm |
1970–2000 normals from WorldClim 2.1 (~9 km grid). Precipitation can be less precise near mountains or coastlines, where rainfall varies sharply over short distances.
Best time to visit Lake in the Hills village, IL
The most comfortable months to visit Lake in the Hills village, IL are typically August, June and July, when temperatures are mildest and rainfall is relatively low. The hottest month is July (around 29°C high). The coldest is January (near -11°C low). June is usually the wettest month.
Where to stay near Lake in the Hills
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Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.