Plymouth is a city located in Hancock County Illinois. With a 2020 population of 422, it is the 961st largest city in Illinois and the 20166th largest city in the United States. Plymouth is currently declining at a rate of -1.63% annually and its population has decreased by -4.31% since the most recent census, which recorded a population of 441 in 2020. Spanning over 1 miles, Plymouth has a population density of 747 people per square mile.
The average household income in Plymouth is $48,938 with a poverty rate of 21.09%. The median rental costs in recent years comes to $623 per month, and the median house value is $51,300. The median age in Plymouth is 46.2 years, 42.1 years for males, and 49.8 years for females.
According to the most recent ACS, the racial composition of Plymouthwas:
Rate of Home Ownership
Average Family Size
Average Household Size
The highest rate of high school graduation is among white people with a rate of 86.42%.
The highest rate of bachelors degrees is among white people with a rate of 9.27%.
98.53% of Plymouth residents speak only English, while 1.47% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 1.47% of the population.
Overall Poverty Rate
Male Poverty Rate
Female Poverty Rate
The race most likely to be in poverty in Plymouth is White, with 20.96% below the poverty level.
The race least likely to be in poverty in Plymouth is Hispanic, with 100.00% below the poverty level.
The poverty rate among those that worked full-time for the past 12 months was 1.28%. Among those working part-time, it was 25.53%, and for those that did not work, the poverty rate was 25.62%.
Number of Veterans
Veteran Poverty Rate
Veteran Disability Rate
Labor Force Participation
Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.
Born in Plymouth
100.00% of Plymouth residents were born in the United States, with 81.41% having been born in Illinois. 0.00% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Europe.