Plymouth is located in Naugatuck Valley Planning Region Connecticut. Plymouth has a 2024 population of 11,818. Plymouth is currently growing at a rate of 0.44% annually and its population has increased by 1.46% since the most recent census, which recorded a population of 11,648 in 2020.
The average household income in Plymouth is $108,030 with a poverty rate of 7.14%. The median age in Plymouth is 44.4 years: 45.3 years for males, and 42.6 years for females.
According to the most recent ACS, the racial composition of Plymouth was:
Race | Population | Percentage (of total) |
|---|---|---|
| White | 10,555 | 90.1% |
| Two or more races | 696 | 5.94% |
| Other race | 238 | 2.03% |
| Black or African American | 124 | 1.06% |
| Asian | 102 | 0.87% |
| Native American | 0 | 0% |
| Native Hawaiian or Pacific Islander | 0 | 0% |
White
Two or more races
Other race
Black or African American
Asian
Native American
Native Hawaiian or Pacific Islander
Household Type | Count | Average Size | Owner | Renter |
|---|---|---|---|---|
| All | 4,609 | 2.52 | 79.1 | 20.9 |
| Married | 2,256 | 3.14 | 94.9 | 5.1 |
| Non Family | 1,543 | 1.17 | 59.8 | 40.2 |
| Female | 452 | 3.26 | 76.3 | 23.7 |
| Male | 358 | 3.52 | 66.2 | 33.8 |
3.07
Average Family Size
2.52
Average Household Size
79.1%
Rate of Home Ownership
Married
Male
Female
NonFamily
owner
renter
Male
Female
Education Attained | Count | Percentage |
|---|---|---|
| 9th to 12th Grade | 386 | 4.56% |
| Associates Degree | 834 | 9.85% |
| Bachelors Degree | 1,531 | 18.09% |
| Graduate Degree | 809 | 9.56% |
| High School Graduate | 3,085 | 36.44% |
| Less Than 9th Grade | 178 | 2.1% |
| Some College | 1,642 | 19.4% |
Less Than 9th Grade
9th to 12th Grade
High School Graduate
Some College
Associates Degree
Bachelors Degree
Graduate Degree
High School Graduation Rate
Bachelors Rate
Race | Total | High School | Bachelors |
|---|---|---|---|
| White | 7,473 | 6,977 | 2,001 |
| Hispanic | 506 | 475 | 216 |
| 2+ Races | 376 | 376 | 156 |
| Other Race | 149 | 118 | 38 |
| Black | 124 | 119 | 30 |
| Asian | 102 | 70 | 22 |
The highest rate of high school graduation is among 2+ races people with a rate of 100%.
The highest rate of bachelors degrees is among hispanic people with a rate of 42.69%.
All
Male
Female
Name | Average | Male | Female |
|---|---|---|---|
| Bachelors Degree | $64,082 | $56,250 | $67,648 |
| Graduate Degree | $79,821 | $108,450 | $71,250 |
| High School Graduate | $61,034 | $64,403 | $43,258 |
| Less Than 9th Grade | $54,698 | $54,914 | $0 |
| Overall | $61,499 | $64,119 | $58,125 |
| Some College | $56,283 | $66,625 | $52,892 |
$61,499
Average Earnings
$64,119
Average Male
$58,125
Average Female
Only English
Spanish
Other Indo-European Languages
Asian and Pacific Island Languages
Other Languages
92.28% of Plymouth residents speak only English, while 7.72% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 4.02% of the population.
rate
Name | Total | In Poverty | Poverty Rate |
|---|---|---|---|
| White | 9,975 | 762 | 7.64% |
| Black | 115 | 55 | 47.83% |
| Multiple | 644 | 11 | 1.71% |
7.14%
Overall Poverty Rate
5.4%
Male Poverty Rate
8.71%
Female Poverty Rate
The race most likely to be in poverty in Plymouth is Black, with 47.83% below the poverty level.
The race least likely to be in poverty in Plymouth is Multiple, with 1.71% below the poverty level.
The poverty rate among those that worked full-time for the past 12 months was 0.65%. Among those working part-time, it was 4.23%, and for those that did not work, the poverty rate was 15.25%.
rate
Rate | Poverty |
|---|---|
| Some College | 9.74% |
| Less Than 9th Grade | 9.22% |
| High School | 8.61% |
| Bachelors or Greater | 1.55% |
rate
Rate | Poverty |
|---|---|
| Female Unemployed | 51.08% |
| Male Employed | 1.17% |
| Female Employed | 0.72% |
| Male Unemployed | 0% |
Households
Families
MarriedFamilies
NonFamilies
Name | Median | Mean |
|---|---|---|
| Families | $118,548 | $129,679 |
| Households | $99,797 | $108,030 |
| Married Families | $142,265 | $-999,999,999 |
| Non Families | $53,810 | $59,069 |
mean
median
Married
Widowed
Divorced
Separated
NeverMarried
47.6%
Overall Marriage Rate
50.9%
Male Marriage Rate
44.7%
Female Marriage Rate
male
female
The age group where males are most likely to be married is Over 65, while the female age group most likely to be married is 45-54.
Married
Widowed
Divorced
Separated
NeverMarried
Second Gulf War
First Gulf War
Vietnam
Korea
World War II
760
Number of Veterans
680
Male Veterans
80
Female Veterans
War | Veterans |
|---|---|
| Vietnam | 335 |
| Second Gulf War | 189 |
| First Gulf War | 108 |
| World War II | 8 |
| Korea | 0 |
count
Age Group | Veterans |
|---|---|
| 65 to 74 | 222 |
| 75+ | 178 |
| 35 to 54 | 161 |
| 55 to 64 | 124 |
| 18 to 34 | 75 |
count
Name | Veterans | % of Total |
|---|---|---|
| White | 733 | 8.42% |
| 2+ Races | 27 | 6.65% |
Less Than 9th Grade
High School Graduate
Some College
Bachelors or Greater
7.61%
Veteran Poverty Rate
29.11%
Veteran Disability Rate
LaborForceParticipation
67%
Labor Force Participation
64.4%
Employment Rate
3.8%
Unemployment Rate
LaborForceParticipation
LaborForceParticipation
Europe
Asia
Africa
Oceania
Latin America
North America
Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.
Europe
Asia
Africa
Oceania
Latin America
North America
80.98%
Born in Plymouth
96.18%
Native Born
3.82%
Foreign Born
0.86%
Non Citizen
2.96%
Naturalized
96.18% of Plymouth residents were born in the United States, with 80.98% having been born in Connecticut. 0.86% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Europe.
Year | Population | Growth | Change |
|---|---|---|---|
| 2029 | 12,078 | 52 | 0.43% |
| 2028 | 12,026 | 52 | 0.43% |
| 2027 | 11,974 | 52 | 0.44% |
| 2026 | 11,922 | 52 | 0.44% |
| 2025 | 11,870 | 52 | 0.44% |
| 2024 | 11,818 | 52 | 0.44% |
| 2023 | 11,766 | 52 | 0.44% |
| 2022 | 11,714 | 18 | 0.15% |
| 2021 | 11,696 | 48 | 0.41% |
| 2020 | 11,648 | 41 | 0.35% |
| 2019 | 11,607 | -56 | -0.48% |
| 2018 | 11,663 | -33 | -0.28% |
| 2017 | 11,696 | -81 | -0.69% |
| 2016 | 11,777 | -91 | -0.77% |
| 2015 | 11,868 | -78 | -0.65% |
| 2014 | 11,946 | -107 | -0.89% |
| 2013 | 12,053 | -53 | -0.44% |
| 2012 | 12,106 | -80 | -0.66% |
| 2011 | 12,186 | -48 | -0.39% |
| 2010 | 12,234 | 0 | 0% |