ZIP code 03237

ZIP 03237 is a small town in Belknap County, New Hampshire, with 2,313 residents counted in the Census American Community Survey 2019-2023 ACS 5-year estimates, which places it #137 of 246 ranked by population — larger than 44% of them. The median age here is 43.5 years against 39.1 nationally, a slightly older profile than the country as a whole. 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 03237 earn a median of $107,353 a year, 36.7% 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 5.2% of residents here, less than half the 12.4% national rate.

The typical owner-occupied home in ZIP 03237 is valued at $317,600, 4.7% above the national figure, while median gross rent runs not published a month. The home-price-to-income ratio works out to 3×, against roughly 3.9× nationally, so buying is easier here than in the average US market. 93.9% 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. Gross rent folds in the utilities a tenant pays separately, so it is closer to the real monthly outlay than a headline rent figure.

The Census withheld gross rent for ZIP 03237 because the sample was too thin to publish at this geography. Those values were suppressed at the source, not lost in our dataset, and we do not model a replacement. Everything else on this page comes straight from the ACS 2019-2023 ACS 5-year tables.

ZIP 03237 is tabulated inside Belknap County, New Hampshire, one of 13 ZIP areas the Census publishes for that county and 246 across New Hampshire. Fewer than 2,500 people are counted here, so the ZIP behaves like a village delivery route rather than a neighbourhood. 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 03237 can be handled by a post office in a neighbouring county even though the tabulation area is filed here.

Against its own county, 03237 reports a median household income of $107,353, 11% above the $97,109 county median, and 16% above the $92,797 typical NH ZIP. Owner-occupied homes are valued at a median of $317,600, 13% below the county figure and 6% below the statewide ZIP median. Rent is reported gross — the contract amount plus tenant-paid utilities — at not published a month, which is why it reads higher than the advertised rent on a listing for the same unit.

New Hampshire charges 0% statewide, and no local sales tax is layered on top, so the state rate is the full amount collected in 03237.

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 03237 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.