Johnson Flag

Johnson

County:
Clark County
County Seat:
No
Area (mi²):
36.467
State:
Illinois

Johnson is located in Clark County, Illinois. Johnson has a 2025 population of 358 . Johnson is currently declining at a rate of -1.38% annually and its population has decreased by -4.02% since the most recent census, which recorded a population of 373 in 2020.

The average household income in Johnson is $72,037 with a poverty rate of 13.91%. The median age in Johnson is 34.2 years: 26.4 years for males, and 34.9 years for females. For every 100 females there are 94.9 males.

358
Total Population
10
Density (mi²)
-5 -1.38%
Growth

Johnson Population

Johnson Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Johnson includes 100% White, and smaller percentages for and multiracial populations.

Population by Race

White (100%)

Race
Population
Percentage (of total)
White345100%

Johnson Marital Status

OverallMalesFemales0%10%20%30%40%50%60%70%80%90%100%

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Johnson's average per capita income is $41,625. Household income levels show a median of $78,393. The poverty rate stands at 13.91%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.
Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.
Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.
Name
Median
Mean
Married Families$81,125-
Households$78,393$72,037
Families$78,125$71,733
Non Families--

$41,625

Average Income

$78,393

Median Household Income

13.91%

Poverty Rate

Nearby Cities

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)