ZIP code 06405

ZIP 06405 is a small city in New Haven County, Connecticut, with 28,090 residents counted in the Census American Community Survey 2019-2023 ACS 5-year estimates, which places it #38 of 288 ranked by population — larger than 87% of them. The median age here is 54.4 years against 39.1 nationally, a markedly older profile that usually tracks retirees staying put and younger households leaving for work. Places under 65,000 residents only appear in the five-year release, never the one-year file, so these values pool sixty months of responses and lag the current year by design.

Households in ZIP 06405 earn a median of $97,223 a year, 23.8% above the national figure of $78,538. The median is the midpoint household, not an average, so a handful of very high earners cannot drag it upward the way they distort a mean. Poverty reaches 6.6% of residents here, below the 12.4% national rate.

The typical owner-occupied home in ZIP 06405 is valued at $388,300, 28% above the national figure, while median gross rent runs $1,529 a month, 8.7% above the national figure, or roughly $18,348 across a full year. A household on the local median income would put about 18.9% of gross pay toward that rent against the federal 30% cost-burden threshold, so renting here is cheap relative to what people here earn. The home-price-to-income ratio works out to 4×, against roughly 3.9× nationally, so buying is harder here than in the average US market. 66.8% of occupied homes are owner-occupied versus 65% nationally, so the market leans toward owners. Rent is reported gross — contract rent plus tenant-paid utilities — which is why it runs above the advertised price on a listing for the same unit.

A median age of 54.4 puts ZIP 06405 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.

Every value on this page is published directly by the Census for this area — nothing is modelled or interpolated. 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.

ZIP 06405 is tabulated inside New Haven County, Connecticut, one of 41 ZIP areas the Census publishes for that county and 288 across Connecticut. This is a mid-sized suburban ZIP inside a county that is split across many delivery areas. County assignment on this page follows the largest share of the ZIP's land area, which matters where a delivery route crosses a county line: mail addressed to 06405 can be handled by a post office in a neighbouring county even though the tabulation area is filed here.

Against its own county, 06405 reports a median household income of $97,223, close to the $97,154 county median, and 8% below the $105,813 typical CT ZIP. Owner-occupied homes are valued at a median of $388,300, 22% above the county figure and 11% above the statewide ZIP median. Rent is reported gross — the contract amount plus tenant-paid utilities — at $1,529 a month, which is why it reads higher than the advertised rent on a listing for the same unit.

Connecticut charges 6.35% statewide, and no local sales tax is layered on top, so the state rate is the full amount collected in 06405.

Everything above comes from the Census Bureau American Community Survey 2019-2023 ACS 5-year estimates for this ZIP Code Tabulation Area, with sales tax rates traced to the state revenue agency. Five-year estimates pool sixty months of responses, so they are stable enough to compare 06405 with its neighbours but always trail the current year, and any value the Census suppressed for sample size is shown as unpublished rather than filled in with a model.