Derry Flag

Derry

County:
Pike County
County Seat:
No
Area (mi²):
37.414
State:
Illinois

Derry is located in Pike County, Illinois. Derry has a 2025 population of 209 . Derry is currently declining at a rate of -0.48% annually and its population has decreased by -2.34% since the most recent census, which recorded a population of 214 in 2020.

The average household income in Derry is $97,287 with a poverty rate of 2.75%. The median age in Derry is 16 years: 15.3 years for males, and 35.5 years for females. For every 100 females there are 251.6 males.

209
Total Population
6
Density (mi²)
-1 -0.48%
Growth

Derry Population

Derry Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Derry includes 97.94% White, and smaller percentages for Black or African American, Two or more races and multiracial populations.

Population by Race

White (97.94%)

Black or African American (1.61%)

Two or more races (0.46%)

Race
Population
Percentage (of total)
White42797.94%
Black or African American71.61%
Two or more races20.46%

Derry Marital Status

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

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Derry's average per capita income is $57,800. Household income levels show a median of $106,161. The poverty rate stands at 2.75%.

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$106,250-
Households$106,161$97,287
Families$106,161$97,287
Non Families--

$57,800

Average Income

$106,161

Median Household Income

2.75%

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)