Race & Ethnicity
Age Breakdown
Key Indicators
| Median Age | 43.4 yrs |
|---|---|
| Avg HH Size | 2.28 |
| Below Poverty | 9.9% ≈ Avg |
| College Grads | 40.0% ≈ Avg |
| Unemployment | 4.0% ▼ 17% below avg |
| No HS Diploma | 148 (1.4%) |
| HS Graduate | 3,739 (35.1%) |
| Some College | 1,433 (13.4%) |
| Associates | 1,074 (10.1%) |
| Bachelors | 1,636 (15.3%) |
| Graduate Degree | 2,632 (24.7%) |
Education
Housing Tenure
Home Value Distribution
Financials
| Median HH Income | $72,125 ≈ Avg |
|---|---|
| Median Home Value | $124,426 ▼ 55% below avg |
| Home/Income Ratio | 1.7x (nat avg ~3.5x) |
| Median Rent | $803/mo |
| Total Housing Units | 7,595 |
| Vacant Units | 751 |
Income Distribution
How People Get to Work
Commute Time
Year Built
Clark County is located in Illinois and encompasses 6 ZIP codes spanning 6 cities and communities. The county has an estimated population of 15,846 residents. With a median age of 43.43, it is a middle-aged county.
Clark County has a solidly middle-class economic profile. The median household income of $72,124 is near the national average. Unemployment stands at 4.0%, below the national average. The poverty rate of 9.9% is near the national average.
Housing in Clark County is one of the more affordable housing markets in the country, with a median home value of $124,426 — well below the national average. Monthly median rent is approximately $802. Homeownership rates are high at 82.1%, reflecting a largely residential, stable population.
The residents of Clark County are primarily White (95.68%). Educational attainment is moderately educated — 40.0% of adults hold a bachelor's degree or higher, near the national average.
Clark County, IL is a solidly middle-class area in Illinois. The 6 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 |
|---|---|---|---|---|---|---|---|
| 62420 | Casey | 4,361 | $68,235 | $122,000 | $738 | 5.2% | 39.1% |
| 62441 | Marshall | 6,841 | $80,218 | $139,800 | $855 | 3.4% | 42.8% |
| 62442 | Martinsville | 2,629 | $65,000 | $84,900 | $602 | 2.1% | 34.5% |
| 62477 | West Union | 755 | $52,330 | $152,100 | $1,311 | 3.7% | 30.4% |
| 62474 | Westfield | 651 | $64,861 | $84,700 | $910 | 5.3% | 31.8% |