Kendall County, IL demographics:
population, income, and more

Total population
137,675
1.9% year-over-year change
Median household income
$111,601/yr
1.0% year-over-year change
Housing units
46,589
1.8% year-over-year change

Kendall County population

How many people live in Kendall County

Kendall County is home to 137,675 residents, according to the most recent Census data. Gender-wise, 50% of Kendall County locals are male, and 50% are female.

Total population
137,675
1.9% year-over-year change
Gender ratio
Male
50%
68,825
Female
50%
68,850
Value Percent YoY change
Male 68,825 50% 2.1%
Female 68,850 50% 1.8%
A higher population often means more rental variety and livelier areas. The gender balance—how many men live here compared to women—can reveal a lot about the community and the lifestyles of its residents. Use this info to get a sense of the area's pace and personality.

Age demographics

The median age in Kendall County is 36, with the population distributed as follows: about 21.8% are children under 15, then 13.8% are in the 15 to 24 age group. Adults between 25 and 44 make up 28.3% of the population, while another 24.8% fall into the 45 to 64 bracket. Finally, around 11.2% are 65 or older.

Median age
36.3
Age breakdown
Under 15
21.8%
15 to 24
13.8%
25 to 44
28.3%
45 to 64
24.8%
Over 65
11.2%
Value Percent YoY change
Under 15 30,011 21.8% -0.1%
15 to 24 19,056 13.8% 4.2%
25 to 44 38,987 28.3% 0.8%
45 to 64 34,155 24.8% 3.0%
Over 65 15,466 11.2% 3.7%
The age composition helps you get insight into who lives in the area. A younger population might mean a more active, fast-paced vibe, while an older one could suggest a quieter, slower lifestyle. If there's a balanced makeup, you’re likely to find a variety of services, housing types, and community spaces that cater to different life stages.

Racial makeup

In Kendall County, 87% of the population are US-born citizens, while 7.5% have gained naturalized citizenship. At the same time, 5.5% of residents are non-citizens. As for race, 65.3% of locals are Caucasian, 7.7% are African American and 3.6% have Asian roots. There’s also a share of 17.7% that includes residents with two or more races.

Citizenship
U.S.-born citizens
87%
Non-U.S.-born citizens
7.5%
Non-citizens
5.5%
Value Percent YoY change
U.S.-born citizens 119,779 87% 1.1%
Non-U.S.-born citizens 10,326 7.5% 6.2%
Non-citizens 7,570 5.5% 10.2%
Racial breakdown
White
65.3%
Black or African American
7.7%
American Indian and Alaska Native
0.7%
Asian
3.6%
Native Hawaiian and other Pacific Islander
0%
Two or more races
17.7%
Other
5%
Value Percent
White 89,865 65.3%
Black or African American 10,573 7.7%
American Indian and Alaska Native 929 0.7%
Asian 4,997 3.6%
Two or more races 24,391 17.7%
Other 6,920 5%

Households in Kendall County

A peek inside Kendall County households

Kendall County has 45,372 households, with an average of 3 members in each. Of these, 77.2% are families, while the remaining 22.8% are made up of individuals living alone or with non-relatives, such as roommates.

Households stats

Total households
45,372
1.9% year-over-year change
Average people per household
3
Non-family households
10,331
Family households
35,041
Value Percent YoY change
Non-family households 10,331 22.8% 4.8%
Family households 35,041 77.2% 1.1%
The mix between family and non-family households gives a glimpse into daily life. A higher percentage of families might mean more parks and schools, while more non-family setups can mean flexible housing and diverse living styles. For renters, this can signal what kinds of homes are common and can help you figure out if the area matches your lifestyle.

Housing in Kendall County

The housing landscape of Kendall County

Kendall County's housing consists of 46,589 units, with 73.9% being detached single-family homes ideal for those wanting space. Attached options, including duplexes and townhouses, make up 17% and offer a more compact, shared living style. Then there are the multifamily buildings in the area, and for those seeking flexibility, non-traditional options like mobile homes account for 0.2% of the housing landscape.

Housing units
46,589
1.8% year-over-year change
Housing types
Value Percent
1 unit, detached 34,444 73.9%
1 unit, attached 7,938 17%
2 units 268 0.6%
3 or 4 units 1,123 2.4%
5 to 9 units 638 1.4%
10 to 19 units 1,019 2.2%
20 to 49 units 506 1.1%
50 or more units 563 1.2%
Mobile home 90 0.2%
Homes built since 2020
1,465
47.7% year-over-year change

The age of buildings in Kendall County

In Kendall County, the median construction year is 2001. About 4% of homes were built before the 1940s, with another 1.1% going up by 1949. Most development happened in the second half of the 20th century. Then, 42% of homes were added from 2000 to 2009, 10.2% between 2010 and 2019, and 3.1% are part of the newest wave of development.

Construction year breakdown by decade
Value Percent YoY change
Built in 1939 or earlier 1,848 4% -10.0%
Built between 1940 and 1949 522 1.1% -16.1%
Built between 1950 and 1959 1,723 3.7% -0.1%
Built between 1960 and 1969 2,884 6.2% -3.0%
Built between 1970 and 1979 4,303 9.2% 9.7%
Built between 1980 and 1989 2,526 5.4% -8.7%
Built between 1990 and 1999 6,953 14.9% -4.6%
Built between 2000 and 2009 19,589 42% 1.3%
Built between 2010 and 2019 4,776 10.2% 16.9%
Built in 2020 or later 1,465 3.1% 47.7%
As a renter, knowing when homes were built helps you understand the potential condition and design of rental units. Newer builds may have more contemporary layouts, while older homes can offer character or larger lots, depending on the area.

Kendall County occupancy rates

Out of the 45,372 occupied housing units in Kendall County, 84% are owner-occupied, while 16% are lived in by tenants. Meanwhile, 2.6% of all homes on the local market sit vacant.

Occupied housing units
45,372
1.9% year-over-year change
Occupancy breakdown
Renter occupied
7,247
Owner occupied
38,125
Value Percent YoY
change
Renter occupied 7,247 16% 2.9%
Owner occupied 38,125 84% 1.7%
Unoccupied housing units
2.6%
Unoccupied housing units refer to homes that are currently without residents—whether they're waiting for renters or owners, used seasonally, or simply unclaimed. A higher share of empty homes may mean more housing availability, while a low number can reflect a tighter market with more competition. This, along with the renter-vs.-owner mix, helps paint a clearer picture of what types of housing and services are likely to be available in the area.

Kendall County housing costs

Housing costs in Kendall County come to a median of $1,941 per month, while tenants specifically pay a median gross rent of $1,781.

Median housing costs per month
$1,941/month
This figure sums up typical monthly housing costs for all households in the area. If you own, it includes mortgage payments in addition to property taxes, insurance and HOA fees. If you rent, it accounts for rent plus extras like utilities. It’s useful for seeing how local living expenses stack up compared to other places.
Median gross rent in Kendall County
$1,781/month
Gross rent gives a more complete look at what renters actually pay, including not just base rent, but also utilities and fees. It’s a key number for evaluating rental affordability in your area of interest and understanding how it compares to nearby locations.

Education in Kendall County

Kendall County education at a glance

About 28.8% of the population in Kendall County went to high school, while 24.3% pursued college studies. Another 10.3% earned an associate degree and 23.1% hold a bachelor’s. Meanwhile, 11.3% went even further, earning a master’s or doctorate.

Education level
Value Percent YoY change
No high school 2,259 2.2% -9.3%
High school diploma 28,937 28.8% 1.7%
College diploma 24,376 24.3% 5.7%
Associate degree 10,333 10.3% -2.8%
Bachelor's degree 23,220 23.1% 6.0%
Graduate degree 11,312 11.3% -0.5%
A community’s education mix can offer insights into the local economy and housing market. Higher levels of education often align with more job opportunities and stable incomes, which can increase demand for homes and influence both rent prices and rental availability.

Income in Kendall County

How much people earn in Kendall County

The average annual household income in Kendall County was $129,379 in 2024, the most recent annual data available, according to the U.S. Census Bureau. This marked a +1.5% change from the previous year. At the same time, the median income stood at $111,601, reflecting a +1% shift over the same period.

Average household income in Kendall County
$129,379/year
1.5% year-over-year change
Median household income in Kendall County
$111,601/year
1.0% year-over-year change

Kendall County income by age

In Kendall County, households led by residents aged 25 to 44 — usually in the early to mid stages of their careers — have a median income of $118,197. Those with someone between 45 and 64 in charge, often well established professionally, earn $122,069 overall. Younger households, where the main provider is under 25 and just starting out, report a median income of $84,167, while those led by someone over 65, many of whom may be retired, have about $72,500 in earnings. Overall, 94.6% of the locals in this community live above the poverty line.

Income breakdown by age
Value YoY change
Under 25 $84,167 2.4%
25 - 44 $118,197 8.6%
45 - 64 $122,069 0.1%
Over 65 $72,500 -0.2%
Above poverty level
128,102
Below poverty level
7,316
Value Percent YoY
change
Above poverty level 128,102 94.6% 1.2%
Below poverty level 7,316 5.4% 14.1%

Employment in Kendall County

Workforce and job types in Kendall County

The job market in Kendall County is powered by 72,855 working residents, spread across a range of industries and roles. 76.9% of the working population are employed in professional or administrative positions, while 23.1% are in hands-on or service-based jobs. Also, 8.4% run their own businesses, 71.4% are employed by private companies, and 13.3% work in the public sector.

Workforce demographics

Working population
72,855
1.4% year-over-year change
White collar
56,022
Blue collar
16,833
Value Percent YoY change
White collar 56,022 76.9% 0.7%
Blue collar 16,833 23.1% 4.0%
Employer type
Self employees
8.4%
Private companies
71.4%
Governmental workers
13.3%
Not for profit companies
6.9%
Value Percent YoY change
Self employees 6,107 8.4% -4.0%
Private companies 52,026 71.4% 1.5%
Governmental workers 9,664 13.3% -3.1%
Not for profit companies 5,058 6.9% 19.9%
Unemployment rate
4.3%
21.8% year-over-year change

Available workforce

The unemployment rate in Kendall County stands at 4.3%, representing the share of the workforce currently without a job and actively looking for one.

For renters, the unemployment rate helps paint a picture of job security and financial stability in the area. Rates around 4% to 5% are considered typical. A lower-than-average rate might suggest strong job prospects and a thriving local economy, while a higher rate could hint at fewer opportunities—both useful to consider when planning a move.

Transportation in Kendall County

How people get around in Kendall County

In Kendall County, the average commute time is 32 minutes. Commuting methods vary: 82.9% of residents travel by personal vehicle and 0.6% prefer to walk, while the remaining share relies on public transit or on two wheelers to get from A to B.

Commute time
32 min
Means of transportation
Value Percent YoY change
Car 59,115 82.9% -0.5%
Taxicab 58 0.1% -19.4%
Bus or trolleybus 37 0% -37.3%
Railroad 661 0.9% 3.8%
Motorcycle 32 0% -13.5%
Bicycle 32 0% 166.7%
Walk 409 0.6% 48.2%
Understanding how locals get to work can help you plan your own routine. High car usage might mean you’ll need a vehicle, while strong public transit or walkability could save you the hassle. Commute times also play a big role in quality of life—shorter trips can give you more time for the things you enjoy.

What is the median and average household income in Kendall County by zipcode?

Zipcode Population Number of households Median income Average income
60503 16,789 5,246 $136,726 $148,164
60512 1,090 435 $96,895 $140,513
60536 62 27 $115,625 $127,244
60537 726 293 $81,825 $113,697
60538 30,514 10,175 $97,131 $106,926
60541 3,342 1,106 $118,100 $125,167
60543 43,047 14,469 $119,371 $136,505
60544 27,306 9,957 $108,304 $130,638
60431 27,138 8,880 $122,870 $135,964
60447 16,102 5,321 $108,210 $133,893

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FAQs about Kendall County demographics 

What is the total population of Kendall County?

Kendall County has a total population of 137,675 residents, according to the latest release from the U.S. Census Bureau: the 2019-2023 American Community Survey (ACS) 5-year estimates. This figure changed by +1.9% compared to a year ago.

What is the gender ratio in Kendall County?

The gender ratio in Kendall County is as follows:
  • 50% males (68,825 residents)
  • 50% females (68,850 residents)

What is the median age in Kendall County?

The median age in Kendall County is 36.3.

What is the age distribution of the population in Kendall County?

The age distribution in Kendall County is as follows:
  • Under 15: 21.8% (30,011 residents)
  • Ages 15-24: 13.8% (19,056 residents)
  • Ages 25-44: 28.3% (38,987 residents)
  • Ages 45-64: 24.8% (34,155 residents)
  • Over 65: 11.2% (15,466 residents)

What is the racial and ethnic makeup of Kendall County?

The racial and ethnic makeup of Kendall County is as follows:
  • White: 65.3% (89,865 residents)
  • Black or African American: 7.7% (10,573 residents)
  • American Indian and Alaska Native: 0.7% (929 residents)
  • Asian: 3.6% (4,997 residents)
  • Native Hawaiian and Other Pacific Islander: 0% (0 residents)
  • Two or More Races: 17.7% (24,391 residents)
  • Other: 5% (6,920 residents)

What percentage of the population in Kendall County are U.S.-born citizens?

U.S.-born citizens represent 87% of the population in Kendall County.

How many housing units are there in Kendall County?

There are 46,589 housing units in Kendall County, reflecting a +1.8% change compared to the previous year, according to the latest data from the U.S. Census Bureau.

How many households are in Kendall County and what is the average household size?

Kendall County has a total of 45,372 households, with an average of 3 people in each.

What is the median household income in Kendall County?

Kendall County has a median household income of $111,601, representing a +1.0% shift from the previous year, according to the U.S. Census Bureau.

What is the employment rate and job market overview for Kendall County?

The employment rate is 95.7% in Kendall County, with a workforce of 72,855 residents. Here’s a detailed breakdown of the local job market:

Job types:
  • White-collar workers: 76.9% (56,022 residents)
  • Blue-collar workers: 23.1% (16,833 residents)

Places of employment:
  • Self-employed: 8.4% (6,107 residents)
  • Private companies: 71.4% (52,026 residents)
  • Governmental workers: 13.3% (9,664 residents)
  • Not-for-profit companies: 6.9% (5,058 residents)

Data source & methodology

The demographic data on this page was sourced from the latest U.S. Census Bureau release—the 2019–2023 American Community Survey (ACS) 5-year estimates.

The information, issued annually, is compiled and published by the Point2Homes Research Team as soon as new data becomes available.

No representation, guarantee, or warranty is made concerning the accuracy or completeness of modified or aggregated information for particular areas.

Page last updated: September 2025