ZIP code 83427

ZIP 83427 is a small town in Bonneville County, Idaho, with 2,819 residents counted in the Census American Community Survey 2019-2023 ACS 5-year estimates, which places it #92 of 280 ranked by population — larger than 67% of them. The median age here is 29 years against 39.1 nationally, a distinctly younger profile, typical of places with students, military posts or a fast-growing family population. 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 ZIP 83427 earn a median of $82,418 a year, 4.9% above the national figure of $78,538. Median household income counts every pre-tax dollar arriving at an address — wages, self-employment, Social Security, pensions, interest and public assistance — for everyone living there, so multi-earner households pull the figure up even where individual pay is modest. Poverty reaches 6.9% of residents here, below the 12.4% national rate.

The typical owner-occupied home in ZIP 83427 is valued at $368,400, 21.4% above the national figure, while median gross rent runs $1,284 a month, 8.7% below the national figure, or roughly $15,408 across a full year. A household on the local median income would put about 18.7% 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 4.5×, against roughly 3.9× nationally, so buying is harder here than in the average US market. 92.1% of occupied homes are owner-occupied versus 65% nationally, an owner-dominated market where rental listings are scarce and rent medians rest on a thin sample. 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 29 means a large student or early-career population; income medians in places like this understate household resources, since many residents are supported from outside the address.

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.

ZIP 83427 is tabulated inside Bonneville County, Idaho, one of 11 ZIP areas the Census publishes for that county and 280 across Idaho. Population sits in the small-town band, typically one main street plus the addresses that feed into it. 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 83427 can be handled by a post office in a neighbouring county even though the tabulation area is filed here.

Against its own county, 83427 reports a median household income of $82,418, 11% above the $73,967 county median, and 21% above the $68,377 typical ID ZIP. Owner-occupied homes are valued at a median of $368,400, 4% above the county figure and 24% above the statewide ZIP median. Rent is reported gross — the contract amount plus tenant-paid utilities — at $1,284 a month, which is why it reads higher than the advertised rent on a listing for the same unit.

Idaho charges 6% statewide, and local governments overlapping 83427 may add county, city or special-district levies on top. We publish the state floor for this ZIP rather than guessing a combined figure, because ZIP boundaries and taxing-district boundaries were drawn for different purposes and do not line up.

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 83427 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.