
Connecticut · Census place 15840
Colchester, CT population, income and ZIP codes
Quick answer
The population of the city of Colchester, Connecticut (Colchester, CT — Census place “Colchester CDP”) is 4,624 residents, ranking #69 of 215 places in Connecticut. Median household income is $79,685, the median home is worth $280,500 and median gross rent runs $1,444 a month. Looking for the Colchester Connecticut ZIP code list? 1 ZIP codes serve Colchester, CT: 06415.
- Population
- 4,624Colchester CDP residents
- Median household income
- $79,685Past 12 months, inflation adjusted
- Median home value
- $280,500Owner-occupied units
- Median gross rent
- $1,444Rent plus utilities, monthly
- Median age
- 52 yrsAll residents
- Homeownership rate
- 56%Owner-occupied households
Colchester ZIP codes (Connecticut)
Census ZCTAs whose delivery area overlaps Colchester.
The Colchester CT ZIP code list below covers 1 ZIP code. Open any one for its population, income, housing and rent profile.
What the numbers mean in Colchester CDP
Housing cost measured against local earnings.
A household earning the Colchester CDP median would spend about 21.7% of gross income on the median rent. The 30% mark is the federal threshold for cost burden, so anything above it signals a stretched rental market. The median home costs 3.5× the median household income; nationally that ratio sits near 4.5×. Poverty affects 7.8% of residents and 56% of households own their home.
Source: US Census Bureau, ACS 2019-2023 5-year estimates · rates as published for 2019-2023 ACS 5-year
Colchester CDP, CT in context
How this area compares with national benchmarks.
Colchester CDP is a small town in Connecticut, with 4,624 residents counted in the Census American Community Survey 2019-2023 ACS 5-year estimates, which places it #69 of 215 ranked by population — larger than 68% of them. The median age here is 52 years against 39.1 nationally, a markedly older profile that usually tracks retirees staying put and younger households leaving for work. At this population the ACS sample is small, so the margin of error around every dollar figure below is wide — treat the numbers as a band, not a point, and expect them to move between annual releases without the place itself changing.
Households in Colchester CDP earn a median of $79,685 a year, 1.5% above the national figure of $78,538 and 17% below the $96,484 median for the 159 Connecticut cities we cover. Household income here is measured before tax and pooled across everyone at the address, which is why it reads higher than typical individual earnings in the same area. Poverty reaches 7.8% of residents here, below the 12.4% national rate.
The typical owner-occupied home in Colchester CDP is valued at $280,500, 7.5% below the national figure and 19% below the $344,200 peer median, while median gross rent runs $1,444 a month, 2.7% above the national figure, or roughly $17,328 across a full year. A household on the local median income would put about 21.7% of gross pay toward that rent against the federal 30% cost-burden threshold, so renting here is within the standard affordability guideline. The home-price-to-income ratio works out to 3.5×, against roughly 3.9× nationally, so buying is easier here than in the average US market. 56% of occupied homes are owner-occupied versus 65% nationally, so the market leans more heavily on renters. The rent line includes utilities paid by the tenant, a definition worth remembering when comparing it against a landlord's quoted rate.
A median age of 52 puts Colchester CDP well into retirement-weighted territory, which pulls median household income down even where household wealth is high, because retirement draws are counted differently from wages.
No figure on this page is estimated by us; each one comes straight from the published ACS tables for this area. Small-area estimates still carry wider margins of error than state or national figures, so check the linked ACS tables before relying on them for lending, appraisal or legal work.
Compare with nearby places
Places of similar size in Connecticut.
- Heritage Village CDP 4,517
- Lake Pocotopaug CDP 4,715
- Mystic CDP 4,441
- Stafford Springs CDP 4,801
- Long Hill CDP (Southeastern Connecticut County) 4,292
- Byram CDP 5,011
- Watertown CDP 4,215
- Terryville CDP 5,112
Keep going
More Connecticut coverage.
Frequently asked questions
Common questions about this area.
- What is the population of Colchester CDP?
- Colchester CDP has 4,624 residents on Census ACS 2019-2023 ACS 5-year estimates, ranking #69 of 215 in Connecticut.
- What is the median household income in Colchester CDP?
- Median household income in Colchester CDP is $79,685 a year, 1.5% above the national figure of $78,538.
- How much does it cost to rent or buy in Colchester CDP?
- Median gross rent is $1,444 a month and the median home value is $280,500, so rent absorbs about 21.7% of median household income.
- Is Colchester CDP affordable compared with the rest of the US?
- Homes cost about 3.5× the local median income here versus roughly 3.9× nationally, so Colchester CDP is more affordable to buy in than the typical US market, and rent takes 21.7% of median income against the 30% cost-burden line.
- How current is this Colchester CDP data?
- All figures come from the US Census Bureau American Community Survey 2019-2023 ACS 5-year five-year estimates. At this population the ACS sample is small, so the margin of error around every dollar figure below is wide — treat the numbers as a band, not a point, and expect them to move between annual releases without the place itself changing.