Arlington Heights, Illinois Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates
The population of Arlington Heights, Illinois is 76,220 as of the 2023 American Community Survey, making it the 15th-largest city in Illinois. The median household income is $118,532, the median home value is $403,200, and the median age is 42.7.
The population has grown 0.5% since 2010 (75,252 → 75,596).
76,220
Population
4588
People / sq mi
$118,532
Median Income
$403,200
Median Home Value
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Arlington Heights covers 16.6 sq mi of land at 4588 people per square mile.
About Arlington Heights, IL
Arlington Heights is defined demographically by education — 60.2% of adults hold a bachelor’s degree, above the national average. Arlington Heights is a city in Illinois with a population of 76,220. It ranks #15 among cities in Illinois by population.
Median household income is $118,532, above the US median of $78,538. The poverty rate is 5.2%, below the national 12.4%. Homes carry a median value of $403,200, with typical rent around $1,727.
About 60.2% of adults 25 and older have a bachelor’s degree, above the 35.0% national figure. About 22.5% of workers primarily work from home, above the national 14.0%, and the average commute runs about 28 minutes each way.
The education numbers are the throughline: a college-heavy population in Arlington Heights usually coincides with higher incomes and a workforce concentrated in professional and information industries.
Arlington Heights village Population History (2010-2024)
The city of Arlington Heights village had a population of 75,252 in 2010 and 75,596 in 2024, a 0.5% growth over 14 years. The peak was 77,399 in 2020. Average annual growth rate: 0.04%.
75,596
Population (2024)
75,252
Population (2010)
77,399
Peak (2020)
0.04%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 75,252 |
| 2011 | 75,528 |
| 2012 | 75,918 |
| 2013 | 76,116 |
| 2014 | 76,145 |
| 2015 | 75,987 |
| 2016 | 75,795 |
| 2017 | 75,473 |
| 2018 | 75,116 |
| 2019 | 74,760 |
| 2020 | 77,399 |
| 2021 | 76,061 |
| 2022 | 75,276 |
| 2023 | 75,066 |
| 2024 | 75,596 |
Race & Ethnicity
| White | 76.4% |
| Black or African American | 3.0% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 0.5% |
| Two or More Races | 0.0% |
Economy & Income
$118,532
Median Household Income
$60,871
Per Capita Income
5.2%
Poverty Rate
2.4%
Unemployment Rate
Housing
$403,200
Median Home Value
$1,727
Median Rent
73.3%
Owner-Occupied
Education
96.2%
High School+
60.2%
Bachelor's+
Commute
4.8%
Drive Alone
64.2%
Public Transit
22.5%
Work From Home
28.2 min
Avg Commute
Community Profile
14.3%
Foreign Born
71.0%
Non-English at Home
3.9%
Veterans
9.3%
With Disability
95.1%
Health Insurance
96.9%
Internet Access
Employment by Industry
| Professional, Scientific & Management | 21.0% |
| Finance, Insurance & Real Estate | 17.3% |
| Manufacturing | 12.3% |
| Information | 10.2% |
| Retail Trade | 6.8% |
| Education, Health Care & Social Services | 6.1% |
| Arts, Entertainment & Food Services | 4.3% |
| Construction | 4.2% |
| Transportation & Warehousing | 2.2% |
| Public Administration | 2.2% |
| Agriculture & Mining | 0.2% |
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City rankings
Frequently Asked Questions
Arlington Heights, Illinois has a population of 76,220 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 15th-largest city in Illinois.
The median household income in Arlington Heights, Illinois is $118,532, with 5.2% of residents living below the federal poverty level.
The median home value in Arlington Heights, Illinois is $403,200, with median monthly rent at $1,727 and a homeownership rate of 73.3%.
The median age in Arlington Heights, Illinois is 42.7 years. The population is 49.5% male and 50.5% female.
The population has grown 0.5% since 2010 (75,252 → 75,596).
Arlington Heights village, IL Climate
Arlington Heights village, IL has an average annual temperature of 9.5°C (49°F) and receives about 903 mm of precipitation per year. The warmest month is July and the coldest is January. Figures are 1970–2000 climate normals.
9.5°C
Avg Temp
903
Precip (mm/yr)
Jul
Hottest Month
Jan
Coldest Month
| Month | Avg (°C/°F) | Precip |
|---|---|---|
| January | -6° / 22° | 42 mm |
| February | -3° / 26° | 35 mm |
| March | 3° / 37° | 64 mm |
| April | 9° / 48° | 92 mm |
| May | 15° / 59° | 88 mm |
| June | 20° / 69° | 98 mm |
| July | 23° / 74° | 95 mm |
| August | 22° / 72° | 106 mm |
| September | 18° / 64° | 91 mm |
| October | 11° / 53° | 63 mm |
| November | 4° / 39° | 71 mm |
| December | -3° / 27° | 58 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 Arlington Heights village, IL
The most comfortable months to visit Arlington Heights village, IL are typically June, August 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 -10°C low). August is usually the wettest month.
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Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.