Williamson County, IL Demographics & Local Data
Analyze population trends, housing costs, and the local economy by exploring Map AI.
Area Snapshot
Key statistics on population, economy, housing, and commuting compared to state and national averages. Explore interactive maps for deeper analysis.
B
C
C
Population
| Metric | Williamson County | Illinois Avg | U.S. Average |
|---|---|---|---|
| Population | 66,296 | 12,497,595 | 334,821,731 |
| Population density (per sq mi) | 149.2 | 215.8 | 85.8 |
| Population growth (%/yr) | -0.09% | -0.18% | 0.57% |
| Median age | 42.8 | 37.3 | 37.1 |
| Households | 28,773 | 5,000,691 | 128,459,983 |
Population Over Time
Race & Ethnicity
Economy
Williamson County has a the economy index of C, which means it is somewhat prosperous.
| Metric | Williamson County | Illinois Avg | U.S. Average |
|---|---|---|---|
| Median household income | $65,553 | $82,179 | $78,145 |
| Income growth (%/yr) | 5.28% | 4.78% | 5.07% |
| Unemployment rate | 4.3% | 5.8% | 5.2% |
Housing
| Metric | Williamson County | Illinois Avg | U.S. Average |
|---|---|---|---|
| Median home price | $75,555 | $162,405 | $242,182 |
| Median rent | $896 | $1,226 | $1,342 |
| Homeownership rate | 71.1% | 66.8% | 65.1% |
Mobility & Commuting
The most common departure window is 07:30 AM – 07:59 AM , followed by 07:00 AM – 07:29 AM .
| Metric | Williamson County | Illinois Avg | U.S. Average |
|---|---|---|---|
| Average commute time (min) | 18.4 | 23.8 | 22.5 |
| Work from home | 8.6% | 14.0% | 13.4% |
Education & Households
Williamson County has a education index of C, which means it is somewhat educated.
| Metric | Williamson County | Illinois Avg | U.S. Average |
|---|---|---|---|
| Bachelor's degree or higher | 25.4% | 34.1% | 31.6% |
| Average household size | 2.25 | 2.48 | 2.54 |
Health
Williamson County has a health index of B, which means it is quite healthy.
| Metric | Williamson County | Illinois Avg | U.S. Average |
|---|---|---|---|
| Life expectancy (years) | 76.5 | 77.9 | 78.3 |
| Self-rated poor health | 14.9% | 15.6% | 16.3% |
| Smokers | 18.8% | 19.2% | 19.0% |