Deerfield, Illinois Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates
The population of Deerfield, Illinois is 19,185 as of the 2023 American Community Survey, making it the 129th-largest city in Illinois. The median household income is $189,705, the median home value is $608,600, and the median age is 44.5.
The population has grown 4.9% since 2010 (18,245 → 19,138).
19,185
Population
3464
People / sq mi
$189,705
Median Income
$608,600
Median Home Value
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Deerfield covers 5.5 sq mi of land at 3464 people per square mile.
About Deerfield, IL
Educational attainment is the headline number in Deerfield: 82.7% of adults 25 and older have a four-year degree. Deerfield is a city in Illinois with a population of 19,185.
Income is a real outlier — the median household pulls in $189,705, putting Deerfield near the top of US cities. Hardship is rare relative to US cities: a poverty rate of just 1.2%, below the national 12.4%. Home values run above average at $608,600, with typical rent around $2,345.
The population is unusually well-credentialed for US cities — 82.7% of adults have a four-year degree, above the national 35.0%. Remote work is widespread — 25.2% of workers stay home, above the national 14.0%, and the average commute runs about 29 minutes each way.
The education numbers are the throughline: a college-heavy population in Deerfield usually coincides with higher incomes and a workforce concentrated in professional and information industries.
Deerfield village Population History (2010-2024)
The city of Deerfield village had a population of 18,245 in 2010 and 19,138 in 2024, a 4.9% growth over 14 years. The peak was 19,138 in 2024. Average annual growth rate: 0.35%.
19,138
Population (2024)
18,245
Population (2010)
19,138
Peak (2024)
0.35%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 18,245 |
| 2011 | 18,269 |
| 2012 | 18,260 |
| 2013 | 18,300 |
| 2014 | 18,353 |
| 2015 | 18,971 |
| 2016 | 18,965 |
| 2017 | 18,908 |
| 2018 | 18,741 |
| 2019 | 18,646 |
| 2020 | 19,130 |
| 2021 | 19,067 |
| 2022 | 19,004 |
| 2023 | 19,006 |
| 2024 | 19,138 |
Race & Ethnicity
| White | 90.0% |
| Black or African American | 0.3% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 0.1% |
| Two or More Races | 0.0% |
Economy & Income
$189,705
Median Household Income
$95,714
Per Capita Income
1.2%
Poverty Rate
1.6%
Unemployment Rate
Housing
$608,600
Median Home Value
$2,345
Median Rent
83.3%
Owner-Occupied
Education
98.7%
High School+
82.7%
Bachelor's+
Commute
7.0%
Drive Alone
62.4%
Public Transit
25.2%
Work From Home
28.9 min
Avg Commute
Community Profile
23.1%
Foreign Born
87.8%
Non-English at Home
4.2%
Veterans
8.2%
With Disability
98.8%
Health Insurance
98.0%
Internet Access
Employment by Industry
| Professional, Scientific & Management | 23.1% |
| Finance, Insurance & Real Estate | 22.2% |
| Information | 13.2% |
| Manufacturing | 10.2% |
| Education, Health Care & Social Services | 6.9% |
| Arts, Entertainment & Food Services | 3.6% |
| Construction | 2.5% |
| Transportation & Warehousing | 1.8% |
| Retail Trade | 1.5% |
| Public Administration | 1.4% |
Largest cities in Illinois
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Part of Illinois
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City rankings
Frequently Asked Questions
Deerfield, Illinois has a population of 19,185 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 129th-largest city in Illinois.
The median household income in Deerfield, Illinois is $189,705, with 1.2% of residents living below the federal poverty level.
The median home value in Deerfield, Illinois is $608,600, with median monthly rent at $2,345 and a homeownership rate of 83.3%.
The median age in Deerfield, Illinois is 44.5 years. The population is 49.8% male and 50.2% female.
The population has grown 4.9% since 2010 (18,245 → 19,138).
Deerfield village, IL Climate
Deerfield village, IL has an average annual temperature of 9.5°C (49°F) and receives about 900 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
900
Precip (mm/yr)
Jul
Hottest Month
Jan
Coldest Month
| Month | Avg (°C/°F) | Precip |
|---|---|---|
| January | -6° / 22° | 43 mm |
| February | -3° / 27° | 36 mm |
| March | 3° / 37° | 64 mm |
| April | 9° / 48° | 92 mm |
| May | 15° / 59° | 87 mm |
| June | 20° / 68° | 96 mm |
| July | 23° / 73° | 93 mm |
| August | 22° / 72° | 105 mm |
| September | 18° / 64° | 90 mm |
| October | 11° / 53° | 64 mm |
| November | 4° / 39° | 71 mm |
| December | -2° / 28° | 59 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 Deerfield village, IL
The most comfortable months to visit Deerfield 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.