Kendall County, IL Population Statistics: Density Map Data
Analyze local population trends, population density map, housing costs, and the local economy.
Area Snapshot Statistics
Key statistics on population, economy, housing, and commuting compared to state and national averages. Explore interactive maps for deeper analysis.
Population: density and quick facts
| Metric | Kendall County | Illinois Avg | U.S. Average |
|---|---|---|---|
| Population | 136,513 | 12,497,595 | 334,821,731 |
| Population density (per sq mi) | 423.9 | 215.8 | 85.8 |
| Population growth (%/yr) | 1.52% | -0.18% | 0.57% |
| Median age | 36.8 | 37.3 | 37.1 |
| Households | 44,526 | 5,000,691 | 128,459,983 |
Population in Kendall County grew by 43.4% from 2009 to 2023, reaching 135,052 in 2023.
Population Growth 2009–2023
Race & Ethnicity
Economy
Kendall County has a the economy index of A, which means it is very prosperous.
| Metric | Kendall County | Illinois Avg | U.S. Average |
|---|---|---|---|
| Median household income | $109,546 | $82,179 | $78,145 |
| Income growth (%/yr) | 3.68% | 4.78% | 5.07% |
| Unemployment rate | 3.6% | 5.8% | 5.2% |
The median household income in Kendall County is about 33% higher than in Illinois.
Housing
| Metric | Kendall County | Illinois Avg | U.S. Average |
|---|---|---|---|
| Median home price | $221,996 | $162,405 | $242,182 |
| Median rent | $1,762 | $1,226 | $1,342 |
| Homeownership rate | 84.2% | 66.8% | 65.1% |
The median home price in Kendall County is about 10.5 years' worth of rent — buying at the median price costs roughly as much as paying the median rent of $1,762 per month for that long.
Commute Time & Mobility
Commuters in Kendall County spend about 61 minutes on the road round trip each working day. Over a typical 250-day work year, that adds up to roughly 256 hours, about 10.7 full days, spent commuting.
| Metric | Kendall County | Illinois Avg | U.S. Average |
|---|---|---|---|
| One-way commute (min) | 30.7 | 23.8 | 22.5 |
| Round-trip commute (min) | 61.4 | 47.6 | 44.9 |
| Yearly time spent (hours) | 256 | 198 | 187 |
| Estimated yearly cost | $7,935 | $6,148 | $5,803 |
| Work from home | 13.6% | 14.0% | 13.4% |
| Highway traffic (vehicles/day) | 9,443 | 7,977 | 8,813 |
| Local road traffic (vehicles/day) | 2,278 | 1,547 | 1,355 |
Fastest commutes among counties in
Illinois:
Edgar County (12.1 min), Brown County (12.8 min), McDonough County (13.0 min).
Slowest:
Calhoun County (46.4 min), Cook County (30.8 min), Kendall County (30.7 min).
The average commute time in Kendall County is 31 minutes, longer than the 24 minutes in Illinois.
Estimated yearly cost applies a single national wage rule of thumb (U.S. Bureau of Labor Statistics average hourly earnings), not a measurement of wages in this area. Traffic volume figures come from proprietary Ticon and TrafficZoom data.
Education & Households
Kendall County has a education index of B, which means it is quite educated.
| Metric | Kendall County | Illinois Avg | U.S. Average |
|---|---|---|---|
| Bachelor's degree or higher | 33.0% | 34.1% | 31.6% |
| Average household size | 3.02 | 2.48 | 2.54 |
Highest education index among counties in
Illinois:
DuPage County (0.4), Champaign County (0.4), Lake County (0.4).
Lowest:
Hardin County (0.2), Fayette County (0.2), Perry County (0.2).
Health
Kendall County has a health index of A, which means it is very healthy.
| Metric | Kendall County | Illinois Avg | U.S. Average |
|---|---|---|---|
| Life expectancy (years) | 80.0 | 77.9 | 78.3 |
| Self-rated poor health | 10.7% | 15.6% | 16.3% |
| Smokers | 15.5% | 19.2% | 19.0% |
Highest health index among counties in
Illinois:
DuPage County (0.8), Champaign County (0.8), Monroe County (0.8).
Lowest:
Alexander County (0.8), Pulaski County (0.8), Gallatin County (0.8).
Frequently Asked Questions
Common questions about Kendall County, Illinois.
What is the population of Kendall County, Illinois?
The population of Kendall County, Illinois is 136,513, compared to the U.S. total of 334,821,731.
What is the population density of Kendall County, Illinois?
The population density of Kendall County, Illinois is 423.9 people per square mile, compared to the U.S. average of 85.8 people per square mile.
What is the median household income in Kendall County, Illinois?
The median household income in Kendall County, Illinois is $109,546, compared to the U.S. median of $78,145.
What is the median home price in Kendall County, Illinois?
The median home price in Kendall County, Illinois is $221,996, compared to the U.S. median of $242,182.
What is the unemployment rate in Kendall County, Illinois?
The unemployment rate in Kendall County, Illinois is 3.6%, compared to the U.S. average of 5.2%.