Plymouth, Illinois Population & Demographics

Statistic	Plymouth	Illinois	National
Population	441	12,671,821	328,239,523
Population density (sq mi)	781	228	91
Median age	50.8	37.4	37.7
Male/Female ratio	1.1:1	1.0:1	1.0:1
Married (15yrs & older)	69%	55%	55%
Families w/ Kids under 18	25%	44%	43%
Speak English	99%	77%	79%
Speak Spanish	1%	13%	13%

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Demographics Quick Facts

The population density in Plymouth is 243% higher than Illinois
The median age in Plymouth is 36% higher than Illinois
In Plymouth 94.10% of the population is White
In Plymouth 4.54% of the population is Black
In Plymouth 0.00% of the population is Asian

Compare Plymouth, IL Demographics

Plymouth racial demographics

Race	Plymouth	Illinois	National
White	94.10%	72.14%	73.35%
Black	4.54%	14.30%	12.63%
Asian	0.00%	5.10%	5.22%
American Indian	0.00%	0.23%	0.82%
Native Hawaiian	0.00%	0.03%	0.18%
Mixed race	1.36%	2.34%	3.06%
Other race	0.00%	5.86%	4.75%

In Plymouth, 1.4% of people are of Hispanic or Latino origin.
Please note: Hispanics may be of any race, so also are included in any/all of the applicable race categories above.

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Household income distribution

Place of birth by citizenship

Plymouth age breakdown

Marital status

Age of children in married couples

Source: The Plymouth, IL demographics data displayed above is derived from the United States Census Bureau American Community Survey (ACS).