Race & Ethnicity
Age Breakdown
Key Indicators
| Median Age | 41.8 yrs |
|---|---|
| Avg HH Size | 2.24 |
| Below Poverty | 13.7% ▲ 37% above avg |
| College Grads | 40.2% ≈ Avg |
| Unemployment | 4.3% ▼ 13% below avg |
| No HS Diploma | 469 (1.1%) |
| HS Graduate | 11,278 (26.5%) |
| Some College | 5,900 (13.9%) |
| Associates | 7,763 (18.3%) |
| Bachelors | 5,293 (12.5%) |
| Graduate Degree | 11,781 (27.7%) |
Education
Housing Tenure
Home Value Distribution
Financials
| Median HH Income | $65,461 ▼ 14% below avg |
|---|---|
| Median Home Value | $148,234 ▼ 47% below avg |
| Home/Income Ratio | 2.3x (nat avg ~3.5x) |
| Median Rent | $905/mo |
| Total Housing Units | 30,452 |
| Vacant Units | 3,050 |
Income Distribution
How People Get to Work
Commute Time
Year Built
Williamson County is located in Illinois and encompasses 11 ZIP codes spanning 11 cities and communities. The county has an estimated population of 63,422 residents. With a median age of 41.84, it is a middle-aged county.
Williamson County has a solidly middle-class economic profile. The median household income of $65,461 is near the national average. Unemployment stands at 4.3%, near the national average. The poverty rate of 13.7% is above the national average.
Housing in Williamson County is one of the more affordable housing markets in the country, with a median home value of $148,234 — below the national average. Monthly median rent is approximately $905. Homeownership rates are high at 70.9%, reflecting a largely residential, stable population.
The residents of Williamson County are primarily White (87.94%). Educational attainment is well-educated — 40.2% of adults hold a bachelor's degree or higher, near the national average.
Williamson County, IL is a solidly middle-class area in Illinois. The 11 ZIP codes within the county each have their own character — browse the full list below to find the right community, whether you're looking for affordable housing, strong schools, or economic opportunity.
| ZIP | City | Population | Median Income | Median Home | Median Rent | Unemp. | College |
|---|---|---|---|---|---|---|---|
| 62915 | Cambria | 473 | $31,111 | $77,500 | $803 | 13.2% | 23.1% |
| 62918 | Carterville | 10,521 | $70,975 | $183,200 | $909 | 2.0% | 57.6% |
| 62921 | Colp | 200 | $36,250 | $75,000 | — | 7.7% | 51.2% |
| 62922 | Creal Springs | 2,697 | $70,547 | $149,400 | $767 | 9.8% | 29.2% |
| 62933 | Energy | 1,188 | $69,896 | $138,500 | $843 | 4.9% | 39.5% |
| 62841 | Freeman Spur | 108 | $33,750 | $63,600 | — | 0.0% | 21.1% |
| 62948 | Herrin | 12,728 | $59,031 | $112,400 | $1,010 | 4.9% | 35.4% |
| 62949 | Hurst | 699 | $34,194 | $74,300 | $376 | 3.4% | 19.8% |
| 62951 | Johnston City | 5,381 | $49,694 | $89,600 | $854 | 5.6% | 30.5% |
| 62959 | Marion | 27,779 | $69,914 | $166,200 | $895 | 3.9% | 39.8% |
| 62974 | Pittsburg | 1,648 | $73,571 | $161,600 | $933 | 3.0% | 36.3% |