Colchester is located in Southeastern Connecticut Planning Region Connecticut. Colchester has a 2024 population of 15,488. Colchester is currently declining at a rate of -0.1% annually but its population has increased by 0.02% since the most recent census, which recorded a population of 15,485 in 2020.
The average household income in Colchester is $131,327 with a poverty rate of 4.55%. The median age in Colchester is 42.6 years: 41.6 years for males, and 44.2 years for females.
According to the most recent ACS, the racial composition of Colchester was:
White
Two or more races
Black or African American
Asian
Other race
Native American
Native Hawaiian or Pacific Islander
Household Type | Count | Average Size | Owner | Renter |
|---|---|---|---|---|
| All | 6,089 | 2.52 | 80 | 20 |
| Married | 3,691 | 3.05 | 89.1 | 10.9 |
| Non Family | 1,769 | 1.22 | 59.8 | 40.2 |
| Female | 335 | 3.13 | 82.1 | 17.9 |
| Male | 294 | 2.93 | 84.4 | 15.6 |
3
Average Family Size
2.52
Average Household Size
80.0%
Rate of Home Ownership
Married
Male
Female
NonFamily
owner
renter
Male
Female
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
The highest rate of high school graduation is among 2+ races people with a rate of 97.86%.
The highest rate of bachelors degrees is among 2+ races people with a rate of 81.28%.
All
Male
Female
$68,794
Average Earnings
$79,981
Average Male
$60,735
Average Female
Only English
Spanish
Other Indo-European Languages
Asian and Pacific Island Languages
Other Languages
94.48% of Colchester residents speak only English, while 5.52% speak other languages. The non-English language spoken by the largest group is Other Indo-European, which is spoken by 2.75% of the population.
rate
4.55%
Overall Poverty Rate
4%
Male Poverty Rate
5.12%
Female Poverty Rate
The race most likely to be in poverty in Colchester is Hispanic, with 7.59% below the poverty level.
The race least likely to be in poverty in Colchester is Black, with 2.9% below the poverty level.
The poverty rate among those that worked full-time for the past 12 months was 1.52%. Among those working part-time, it was 4.79%, and for those that did not work, the poverty rate was 10.32%.
Married
Widowed
Divorced
Separated
NeverMarried
60.8%
Overall Marriage Rate
62.2%
Male Marriage Rate
59.5%
Female Marriage Rate
male
female
The age group where males are most likely to be married is 55-64, while the female age group most likely to be married is 55-64.
Married
Widowed
Divorced
Separated
NeverMarried
Less Than 9th Grade
High School Graduate
Some College
Bachelors or Greater
6.47%
Veteran Poverty Rate
26%
Veteran Disability Rate
LaborForceParticipation
69.8%
Labor Force Participation
67.1%
Employment Rate
3.2%
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
65.93%
Born in Colchester
94.95%
Native Born
5.05%
Foreign Born
2.33%
Non Citizen
2.72%
Naturalized
94.95% of Colchester residents were born in the United States, with 65.93% having been born in Connecticut. 2.33% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Europe.
Year | Population | Growth | Growth Rate |
|---|---|---|---|
| 2029 | 15,408 | -16 | -0.1% |
| 2028 | 15,424 | -16 | -0.1% |
| 2027 | 15,440 | -16 | -0.1% |
| 2026 | 15,456 | -16 | -0.1% |
| 2025 | 15,472 | -16 | -0.1% |
| 2024 | 15,488 | -16 | -0.1% |
| 2023 | 15,504 | -16 | -0.1% |
| 2022 | 15,520 | -1 | -0.01% |
| 2021 | 15,521 | 36 | 0.23% |
| 2020 | 15,485 | -376 | -2.37% |
| 2019 | 15,861 | -80 | -0.5% |
| 2018 | 15,941 | -9 | -0.06% |
| 2017 | 15,950 | 92 | 0.58% |
| 2016 | 15,858 | -55 | -0.35% |
| 2015 | 15,913 | -91 | -0.57% |
| 2014 | 16,004 | -32 | -0.2% |
| 2013 | 16,036 | -51 | -0.32% |
| 2012 | 16,087 | 49 | 0.31% |
| 2011 | 16,038 | 27 | 0.17% |
| 2010 | 16,011 | 0 | 0% |