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Kendall County, IL

RANK #407 / 1001 NAT  ·  #16 / 28 IL  ·  POP 137,675

1YR FORECAST: +2.0%

5YR OUTLOOK: +30%

#33 Most Overvalued
Kendall County's housing market is projected to grow +2.0% over the next year, tracking near the national average.

[01] Why Kendall County?

The Farnsworth House, a glass architectural landmark, stands as a distinctive feature along the Fox River in Kendall County. Located about 50 miles from downtown Chicago, Kendall County offers a suburban feel with access to natural scenery, including prairie grasslands, woodlands, and river trails. Oswego, the most populous municipality, and Yorkville, the county seat, are key towns within this growing area. Commuting to Chicago is part of life for many residents, with an average commute time of over 33 minutes. The county's forest preserves, like Hoover Forest Preserve, provide opportunities for hiking, fishing, and other outdoor activities.

Life in Kendall County often appeals to families, drawn by highly-rated public schools such as Oswego Goal, Lisbon Grade School, and Bristol Grade School. The economy is expanding, with recent developments including growth in non-residential construction. While traditionally agricultural, the county has seen significant suburban development. Major investments are occurring in sectors like data centers and energy, contributing to the evolving economic landscape. Kendall Area Transit provides public transportation options for residents, with priority given to seniors and individuals with disabilities.

MARKET PROFILE

Heartland Steady Growth

Kendall County is one of 145 U.S. counties in this market profile — weaker than typical on the BoomTown Index. Within this cohort, its recent home-price change of +3.6% runs below the profile's typical +4.9%.

See all 145 Heartland Steady Growth counties →

[02] Market Snapshot

Housing Ratio
28.0x

Overvalued relative to economy

Home Prices
+3.6%

Outpacing national median

Climate & Terrain
-2.9

Below-average climate & terrain

Price/Rent
11x

Strong rental yield

Housing looks overvalued at 28.0x — home prices are high relative to local economic output. The typical U.S. county is 4–6x.

[03] Top Employers

  1. 1
    Health Care & Social Assistance Healthcare
    5,000+
  2. 2
    Retail Trade Retail
  3. 3
    Educational Services Education
  4. 4
    Keystrokes Transcription Service Healthcare
    500+
  5. 5
    Caterpillar Manufacturing
  6. 6
    Menards Distribution Center Logistics
  7. 7
    Walmart Retail
  8. 8
    Wrigley Manufacturing Co LLC Manufacturing
  9. 9
    Kendall County Special Education Cooperative Education
  10. 10
    Yorkville CUSD #115 Education

Estimated local headcount ranges. Larger employers shown as floor + "+"; smaller employers show exact counts where reported.

[04] Home Value Growth vs National

Kendall County U.S. National

Bars show trailing 12-month growth. The dashed Forecast bars are the model's next-12-month projection; the whisker marks the ±1% range (cooling–accelerating).

The Numbers

DEMOGRAPHICS
Population
137,675
+1.94% YoY
Median Household Income
$111,601
Median Home Value
$322,400
+3.63% 12mo
Median Rent
$1,781
Average Annual Pay
$51,435
+0.4% YoY
Employment
30,836
+1.7% YoY
Income-to-Home-Value
0.3462
More affordable than average
Migration Inflow
4.87%
of pop. from another state
Bachelor's Degree+
36.9%
of residents (national avg: 33%)

Market Activity

REAL ESTATE
Median Sale Price
$400,000
Days on Market
53
Moderate pace
Months of Supply
2.9
Seller's market
Sale-to-List Ratio
99.7%
Near asking price
Sold Above List
34.8%
Listings w/ Price Drops
20.2%
Building Permits (2025)
733
Single-Family Permits
567

Source: Redfin · Census BPS — Browse sales on Redfin →

[05] Crime & Safety

B
SAFETY
GRADE
Homicide Rate
3.6
per 100K · nat avg 6.3
Firearm Fatalities
7.7
per 100K · nat avg 14.8
Injury Deaths
46.2
per 100K · nat avg 76.3
vs National Average
Below national avg
based on homicide rate

Source: CDC/NCHS vital statistics via County Health Rankings (2020–2022 avg). Rates per 100,000 population. Grade based on homicide rate relative to national average (~6.3). Learn more →

[06] Capital Investment

$4,220M
TOTAL
PROJECT AMOUNT STATUS
Project Cardinal Data Center
Pioneer Development
$1,800M Planned
Project Steel Data Center Campus
Prologis, L.P., Yorkville Nexus V LLC, Green Door Capital
$900M Planned
CyrusOne Yorkville Campus Phase 1 & 2
CyrusOne
$850M Planned
Plano Skies Solar Project
Plano Skies Energy Center, LLC
$350M Proposed
Lasalle - Plano 345 kV Solar Project
Undisclosed
$280M Planned
Kendall County Broadband Network
Kendall County Government, Pivot Tech
$40M Planned

Source: public records, news, corporate announcements. Amounts are estimates where noted.

[07] Score Breakdown

Population Growth +1.9% 86 percentile
Income Growth +1.0% 16 percentile
Vacancy Rate 0.6% 87 percentile
Home Price Change +3.6% 74 percentile
Rent Growth +4.7% 74 percentile
Price/Rent 11x 94 percentile

Bars show percentile rank among all 1001 counties.

[08] Frequently Asked Questions

Is Kendall County, IL a good place to move to?

Kendall County scores 59/100 on the Boom Town Index, landing in the middle of the pack among 1001 U.S. counties (#407). Median household income is $111,601 and job growth is running at +1.7%. The data points to a county with mixed signals — some positive indicators alongside areas that lag faster-growing peers.

Is Kendall County affordable?

Housing in Kendall County is roughly in line with national affordability norms. The median home costs $322,400 and the income-to-home-value ratio sits at 0.35, with rents averaging $1,781/month. Not a bargain, but not a stretch for most local earners either.

Is Kendall County growing or shrinking?

Kendall County is growing on multiple fronts. Population is up +1.9% year-over-year while employers added jobs at a +1.7% clip — and home values reflect that momentum, rising +3.6% over the past 12 months.

Are people moving to Kendall County?

There's a moderate stream of newcomers. About 4.87% of residents moved from another state, which is above average and suggests Kendall County has appeal as a relocation destination — though it's not among the highest-inflow counties nationally.

[09] Similar Counties by Size & Score

Boone County, IL 57 McHenry County, IL 57 Lake County, IL 64 Sangamon County, IL 64 Madison County, IL 65 Peoria County, IL 53 Hampton city, VA 59 Henderson County, NC 59