Plymouth

County:: Hancock County
County Seat:: No
Area (mi²):: 0.565
State:: Illinois

Plymouth is a village located in Hancock County, Illinois. Plymouth has a 2025 population of 420. Plymouth is currently declining at a rate of -0.71% annually and its population has decreased by -3.45% since the most recent census, which recorded a population of 435 in 2020.

The average household income in Plymouth is $55,097 with a poverty rate of 29.49%. The median age in Plymouth is 45.6 years: 42.5 years for males, and 51.5 years for females.

Demographics

The racial composition of Plymouth includes 91.41% White, and smaller percentages for Asian, Black or African American, Two or more races, other race, Native American, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

White

Asian

Black or African American

Two or more races

Other race

Native American

Native Hawaiian or Pacific Islander

Race	Population	Percentage (of total)
White	468	91.41%
Asian	15	2.93%
Black or African American	14	2.73%
Two or more races	12	2.34%
Other race	3	0.59%
Native American	0	0%
Native Hawaiian or Pacific Islander	0	0%

Plymouth Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Plymouth's average per capita income is $42,188. Household income levels show a median of $39,750. The poverty rate stands at 29.49%.

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	$86,875	-
Families	$58,906	$69,729
Households	$39,750	$55,097
Non Families	$22,656	$28,790

$42,188

Average Income

$39,750

Median Household Income

29.49%

Poverty Rate