Streamwood, Illinois Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates
The population of Streamwood, Illinois is 39,055 as of the 2023 American Community Survey, making it the 45th-largest city in Illinois. The median household income is $101,049, the median home value is $258,300, and the median age is 40.0.
The population has declined 3.9% since 2010 (39,907 → 38,360).
39,055
Population
5002
People / sq mi
$101,049
Median Income
$258,300
Median Home Value
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Streamwood covers 7.8 sq mi of land at 5002 people per square mile.
About Streamwood, IL
Homeownership is the standout figure in Streamwood: 88.6% of homes are owner-occupied, higher than the national rate. With 39,055 residents, Streamwood is a city in Illinois. It ranks #45 among cities in Illinois by population.
Households take in a median $101,049, comfortably above the US median of $78,538. The poverty rate is 6.3%, below the national 12.4%. Median home value is $258,300, with typical rent around $1,849.
Degree attainment is mid-range for US cities: 29.1% of adults hold a four-year degree, below the national 35.0%. Around 10.9% of workers work from home, below the national 14.0%, and the average commute runs about 29 minutes each way.
The ownership rate anchors the housing story in Streamwood, and tends to move with the age structure and home-value figures above.
Streamwood village Population History (2010-2024)
The city of Streamwood village had a population of 39,907 in 2010 and 38,360 in 2024, a -3.9% growth over 14 years. The peak was 40,499 in 2015. Average annual growth rate: -0.28%.
38,360
Population (2024)
39,907
Population (2010)
40,499
Peak (2015)
-0.28%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 39,907 |
| 2011 | 40,066 |
| 2012 | 40,227 |
| 2013 | 40,325 |
| 2014 | 40,325 |
| 2015 | 40,499 |
| 2016 | 40,237 |
| 2017 | 39,899 |
| 2018 | 39,503 |
| 2019 | 39,228 |
| 2020 | 39,450 |
| 2021 | 38,733 |
| 2022 | 38,228 |
| 2023 | 38,108 |
| 2024 | 38,360 |
Race & Ethnicity
| White | 44.2% |
| Black or African American | 3.8% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 1.9% |
| Two or More Races | 0.0% |
Economy & Income
$101,049
Median Household Income
$37,898
Per Capita Income
6.3%
Poverty Rate
2.8%
Unemployment Rate
Housing
$258,300
Median Home Value
$1,849
Median Rent
88.6%
Owner-Occupied
Education
87.1%
High School+
29.1%
Bachelor's+
Commute
1.5%
Drive Alone
76.8%
Public Transit
10.9%
Work From Home
28.8 min
Avg Commute
Community Profile
10.5%
Foreign Born
47.6%
Non-English at Home
3.1%
Veterans
9.0%
With Disability
88.1%
Health Insurance
98.5%
Internet Access
Employment by Industry
| Professional, Scientific & Management | 19.7% |
| Manufacturing | 17.6% |
| Education, Health Care & Social Services | 12.2% |
| Finance, Insurance & Real Estate | 9.7% |
| Retail Trade | 7.0% |
| Information | 6.1% |
| Construction | 5.8% |
| Arts, Entertainment & Food Services | 4.1% |
| Public Administration | 2.1% |
| Transportation & Warehousing | 1.0% |
| Agriculture & Mining | 0.1% |
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City rankings
Frequently Asked Questions
Streamwood, Illinois has a population of 39,055 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 45th-largest city in Illinois.
The median household income in Streamwood, Illinois is $101,049, with 6.3% of residents living below the federal poverty level.
The median home value in Streamwood, Illinois is $258,300, with median monthly rent at $1,849 and a homeownership rate of 88.6%.
The median age in Streamwood, Illinois is 40.0 years. The population is 49.5% male and 50.5% female.
The population has declined 3.9% since 2010 (39,907 → 38,360).
Streamwood village, IL Climate
Streamwood village, IL has an average annual temperature of 9.2°C (49°F) and receives about 921 mm of precipitation per year. The warmest month is July and the coldest is January. Figures are 1970–2000 climate normals.
9.2°C
Avg Temp
921
Precip (mm/yr)
Jul
Hottest Month
Jan
Coldest Month
| Month | Avg (°C/°F) | Precip |
|---|---|---|
| January | -6° / 20° | 40 mm |
| February | -3° / 26° | 32 mm |
| March | 3° / 37° | 63 mm |
| April | 9° / 48° | 95 mm |
| May | 15° / 59° | 90 mm |
| June | 20° / 69° | 105 mm |
| July | 23° / 73° | 100 mm |
| August | 22° / 71° | 105 mm |
| September | 17° / 63° | 99 mm |
| October | 11° / 52° | 63 mm |
| November | 4° / 39° | 74 mm |
| December | -3° / 26° | 55 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 Streamwood village, IL
The most comfortable months to visit Streamwood 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 -11°C low). June 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.