Clark County, IL

County in Illinois, Midwest · ranked on 43 metrics

Rank among US counties

Clark County, IL is a county in Illinois with a population of 15,087 (2,065th of 3,094). It ranks best for Poverty Rate (%) (595th of 3,094), Median Home Value (Capped at $2M) (665th of 3,092), Median Household Income (976th of 3,093). It ranks lowest for Unemployment Rate (%) (tied 2,256th of 3,094), Average Commute (Minutes) (1,779th of 3,094).

Population
15,087
2,065th highest of 3,094
Density
30.1
1,902nd highest of 3,094
Growth since 2020
-2.39%
2,446th highest of 3,094
Area
501
2,042nd highest of 3,094
Region
Midwest
Illinois

At a glance

Median household income
$72,927
976th highest of 3,093
Median home value
$132,400
2,428th highest of 3,092
Median rent
$861
1,640th highest of 3,090
Unemployment
4.7%
759th highest of 3,094
Poverty rate
9.15%
2,500th highest of 3,094
College degree
24.9%
1,190th highest of 3,094
Adult obesity
37.1%
1,735th highest of 2,916
No health insurance
7.8%
2,484th highest of 2,916
Average commute
25 minutes
1,316th highest of 3,094
Home broadband
87.6%
1,403rd highest of 3,094
Climate
53.8°F average
29°F in January, 76°F in July
2024 presidential vote
Republican +51.2
74.7% Republican, 23.5% Democratic

Strengths and weak spotsPercentileWhere a place sits among all places, from 0 to 100. 100 is the best, 50 is the middle, 0 is the worst.More in the glossary →

Percentile on 22 metrics that rank at least half of all US counties, given whether higher or lower is better.

Totals that track populationCounts like “number of burglaries” that mostly reflect how many people live somewhere, so big places rank high or low regardless.More in the glossary →

Best at

Highest percentiles, given whether higher or lower is better

  1. Adults 18–64 Without Health Insurance (%)7.8%
    Health of Adults by County (CDC PLACES) · 2023
    tied 388th of 2,916
  2. Adults with No Leisure-Time Exercise (%)21.7%
    Health of Adults by County (CDC PLACES) · 2023
    tied 428th of 2,916
  3. Poverty Rate (%)9.15%
    Housing, Income and Commutes by County (Census) · 2024
    595th of 3,094
  4. Median Home Value (Capped at $2M)$132,400
    Housing, Income and Commutes by County (Census) · 2024
    665th of 3,092
  5. Adults with Diabetes (%)9.4%
    Health of Adults by County (CDC PLACES) · 2023
    tied 638th of 2,916
  6. Adults in Fair or Poor Health (%)17.5%
    Health of Adults by County (CDC PLACES) · 2023
    tied 807th of 2,916
  7. Median Household Income$72,927
    Housing, Income and Commutes by County (Census) · 2024
    976th of 3,093
  8. Adults Sleeping Under 7 Hours (%)35.5%
    Health of Adults by County (CDC PLACES) · 2022
    tied 1,029th of 3,094
  9. Adults Who Smoke (%)15.1%
    Health of Adults by County (CDC PLACES) · 2023
    tied 1,066th of 2,916
  10. Bachelor’s Degree or Higher (% of Adults 25+)24.9%
    Housing, Income and Commutes by County (Census) · 2024
    1,190th of 3,094

Worst at

Lowest percentiles, given whether higher or lower is better

  1. Adults Who Binge Drink (%)20.8%
    Health of Adults by County (CDC PLACES) · 2023
    tied 2,488th of 2,916
  2. Unemployment Rate (%)4.7%
    Unemployment Rate by County (BLS) · 2025
    tied 2,256th of 3,094
  3. Average Commute (Minutes)25.2
    Housing, Income and Commutes by County (Census) · 2024
    1,779th of 3,094
  4. Heating Degree Days per Year5,192
    Climate by County (1991–2020 Averages)
    1,715th of 3,050
  5. Cooling Degree Days per Year1,143
    Climate by County (1991–2020 Averages)
    tied 1,567th of 3,050
  6. Adults with a Yearly Checkup (%)75.4%
    Health of Adults by County (CDC PLACES) · 2023
    tied 1,433rd of 2,916
  7. Median Income$72,927
    Poorest Counties
    976th of 2,000
  8. Adults with Frequent Mental Distress (%)18.5%
    Health of Adults by County (CDC PLACES) · 2023
    tied 1,387th of 2,916
  9. Median Rent (Monthly, Capped at $3,501)$861
    Housing, Income and Commutes by County (Census) · 2024
    tied 1,445th of 3,090
  10. Homes with Broadband Internet (%)87.6%
    Housing, Income and Commutes by County (Census) · 2024
    1,403rd of 3,094

Profile by category

Average percentile per category, from the median line. Select a category to list its metrics.

Strongest category Health (61), weakest Economics (57). Select a category to list its metrics.

Notable facts

Where it ranks first or last among US counties

Never first or last on a widely ranked metric.

Where it is

Shaded by population; select a place to open it

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Similar places

Closest percentiles on 16 widely reported measures from 6 categories, leaving out size and totals

  1. Scott County, IL90% similar
    Compared on 13 of 16
  2. Menard County, IL90% similar
    Compared on 14 of 16
  3. Mercer County, IL89% similar
    Compared on 14 of 16
  4. Livingston County, IL87% similar
    Compared on 13 of 16
  5. Cumberland County, IL87% similar
    Compared on 14 of 16

Quick answers

What is the population of Clark County, IL?
Clark County, IL has a population of 15,087, 2,065th among 3,094 US counties.
What does Clark County, IL rank best at?
Among US counties, Clark County, IL ranks best for Poverty Rate (%) (595th of 3,094); Median Home Value (Capped at $2M) (665th of 3,092); Median Household Income (976th of 3,093).
Where does Clark County, IL rank worst?
Clark County, IL ranks lowest for Unemployment Rate (%) (tied 2,256th of 3,094); Average Commute (Minutes) (1,779th of 3,094).
How many statistics does Rankodex have for Clark County, IL?
Rankodex ranks Clark County, IL on 43 statistics compared with other US counties, compiled from World Population Review and the sources it cites.

Every metric

43 metrics with a value for this place, in 12 topics