Population
525,757
2025
+1.8% since 2020
Source: U.S. Census Bureau, Population Estimates Program (Vintage 2025), 2025. Resident population, July 1 estimate.
Kane County, IL: population growth, jobs and income
Kane County gained 2,327 residents between 2024 and 2025 (+0.4%).
Kane County had an estimated 525,757 residents in 2025, up 1.8% (9,393 more people) since 2020. That is faster than Illinois as a whole (−0.6%), and the 6th fastest growth of 102 counties in Illinois.
Data as of 2025 · updated
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In the Kane County report
One-time $99 PDF: everything on this page for Kane County, ranked against Illinois and the U.S., plus these figures that are not on the free page:
- Median gross rent$1,453/mo2020–24
- Vacant homes, incl. seasonal and second homes3.3%2020–24
- New homes permitted, last 12 months2,0892025-10/2026-09
- Rent growth, 5 yearsIn the report
- Permits in 5+ unit buildingsIn the report
- IRS income moving in (net AGI)In the report
- Neighbouring-county comparison tableIn the report
What's inside: 5 pages
- 1 Summary, headline numbers and ranks (free preview)
- 2 Ranks and the neighbouring-county table
- 3 Migration, with IRS mover and income flows
- 4 Rent, vacant homes, permits and employers
- 5 Every source and the methods
Headline numbers
Net domestic migration
−374
2025
−0.7 per 1,000 residents
−9,268 in total, 2021–2025
Source: U.S. Census Bureau, Population Estimates Program (Vintage 2025), 2025. People moving in from other U.S. counties minus people moving out.
Unemployment rate
4.7%
2025
+0.5 pts since 2019
Source: U.S. Bureau of Labor Statistics, Local Area Unemployment Statistics, 2025. Annual average unemployment rate.
New homes permitted
1,629
2025
+22.2% since 2021
3.1 per 1,000 residents
Source: U.S. Census Bureau, Building Permits Survey, 2025. Housing units authorized by building permits in the year.
Median household income
$103,163
2020–24
+23.7% since 2016–20
Source: U.S. Census Bureau, American Community Survey 5-year estimates, 2020–24. American Community Survey 5-year estimate.
Private-sector employment
194,921
2023
+0.5% since 2018
Source: U.S. Census Bureau, County Business Patterns, 2023. Paid employees of private employers in mid-March (County Business Patterns).
What the numbers say
Net domestic migration was negative in 2025: 374 more people moved out to other U.S. counties than moved in.
Private employers had 194,921 paid employees in mid-March 2023, +0.5% since 2018 (County Business Patterns).
Unemployment averaged 4.7% in 2025, 0.5 points higher than in 2019 (before the pandemic).
Builders were authorized to start 1,629 new homes in 2025, or 3.1 per 1,000 residents.
Median household income was $103,163 in the 2020–24 American Community Survey, +23.7% since 2016–20.
Across the 3,107 U.S. counties with a comparable estimate, its population growth ranks 1,326th.
Part of the Chicago-Naperville-Elgin, IL-IN metro area.
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Kane County population by year
| Year | Population | Change |
|---|---|---|
| 2025 | 525,757 | +2,327 |
| 2024 | 523,430 | +5,135 |
| 2023 | 518,295 | +3,010 |
| 2022 | 515,285 | −1,341 |
| 2021 | 516,626 | +262 |
| 2020 | 516,364 | – |
Census Bureau population estimates, July 1 of each year.
What drove the change in Kane County
Kane County grew by 9,393 people since 2020 even though 9,268 more residents moved to other U.S. counties than came from them: births outnumbered deaths by 8,427, and net international migration added 9,950.
| Component | 2025 | 2020–25 | Share |
|---|---|---|---|
| Natural changebirths minus deaths | +1,808 | +8,427 | |
| International migrationfrom and to other countries | +860 | +9,950 | |
| Domestic migrationfrom and to other U.S. counties | −374 | −9,268 | |
| Census adjustmentbalancing residual | +33 | +284 | |
| Total change | +2,327 | +9,393 |
Census Bureau population estimates, components of change, each year July 1 to June 30. The components add up to the change in the estimate; the Census adjustment is the small balancing figure the Bureau publishes.
How it ranks
| Measure | In Illinois | Among U.S. counties |
|---|---|---|
| Population growth | 6th of 102 | 1,326th of 3,107 |
| Net domestic migration per 1,000 residents | 59th of 102 | 2,030th of 3,108 |
| Private-sector job growth | 45th of 102 | 1,793rd of 3,092 |
| Median household income | 6th of 102 | 143rd of 3,107 |
| Lowest unemployment rate | 64th of 102 | 2,279th of 3,108 |
| New homes permitted per 1,000 residents | 5th of 98 | 1,086th of 3,005 |
1st = highest (lowest for unemployment). Counties are ranked only against others with a figure for the same period.
Get the county report — $99
The County Growth and Demographics Report for Kane County, IL as a PDF, from federal data: population and migration, housing and rents, permits, private employers and jobs, unemployment, ranks in the state and the country, and neighbouring counties, with a source next to every number. Pay once, no subscription.
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Neighbouring counties
Over 2020–25, Kane County's population change (+1.8%) was ahead of 3 of its 5 neighbouring counties and behind 2 (Kendall County and McHenry County).
3 of its 5 neighbouring counties had a higher median household income than Kane County's $103,163 (2020–24).
| County | Population2025 | Population change2020–25 | Net domestic migration per 1,000 residents2025 | Homes permitted per 1,000 residents2025 | Median household income2020–24 |
|---|---|---|---|---|---|
| Kane County, IL This county | 525,757 | +1.8% | −0.7 | 3.1 | $103,163 |
| Kendall County, IL | 145,470 | +9.9% | 8.8 | 5.0 | $111,601 |
| DeKalb County, IL | 101,835 | +1.5% | 8.4 | 2.6 | $70,724 |
| DuPage County, IL | 934,298 | +0.3% | −6.3 | 1.4 | $112,096 |
| McHenry County, IL | 317,751 | +2.5% | 4.7 | 4.4 | $104,802 |
| Cook County, IL | 5,194,625 | −1.3% | −6.0 | 1.0 | $83,498 |
Census Bureau population estimates and building permits, American Community Survey 5-year income. Rates per 1,000 residents. – means no figure, or a base too small for a change or rate (it would swing on a few people). A figure from another period shows its year and is left out of the comparison.
Questions
Is Kane County growing?
Yes. Its population grew 1.8% between 2020 and 2025, about 9,393 more people (Census Bureau population estimates). Illinois as a whole changed −0.6% over the same years. That ranks 6th of 102 counties in Illinois for population growth.
How many people moved to Kane County?
On net, none in 2025: about 374 more people moved out to other U.S. counties than moved in (Census Bureau net domestic migration estimate).
What is the unemployment rate in Kane County?
It averaged 4.7% in 2025 (BLS Local Area Unemployment Statistics, annual average).
What is the population of Kane County?
About 525,757 people, according to the U.S. Census Bureau's population estimate for July 1, 2025.
How many jobs are in Kane County?
Private employers there had 194,921 paid employees in mid-March 2023, +0.5% since 2018 (Census Bureau County Business Patterns; government jobs and the self-employed are not counted).
What Beacon CRE covers in Illinois
Map, parcel and listing layers cover North and South Carolina only for now. This page and the other Illinois county pages carry the public federal growth figures.
Kane County data alerts
Email me when Kane County gets new Census numbers: population, building permits, jobs and income. About 4 emails a year, one click to stop.
Sources and method
- U.S. Census Bureau, Population Estimates Program (Vintage 2025)
- U.S. Bureau of Labor Statistics, Local Area Unemployment Statistics
- U.S. Census Bureau, Building Permits Survey
- U.S. Census Bureau, American Community Survey 5-year estimates
- U.S. Census Bureau, County Business Patterns
Each number shows its own period. Changes compare the latest period with five years earlier (or the earliest period available). Beacon CRE last refreshed these figures on 2026-11-05. Figures come from public federal statistics and are informational only, not investment advice. Check the source before relying on a number. Methodology: how we compute every number. More on every layer: data sources and licences.
Jobs outside North and South Carolina use County Business Patterns (paid private-sector employees in mid-March); wages and government jobs are not included.