Rock, MI population, income and ZIP codes

Rock CDP is a very small community in Michigan, with 178 residents counted in the Census American Community Survey 2019-2023 ACS 5-year estimates, which places it #701 of 745 ranked by population — larger than 5% of them. The median age here is 42 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 Rock CDP earn a median of $70,833 a year, 9.8% below the national figure of $78,538 and 15% above the $61,715 median for the 438 Michigan cities we cover. 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 15.7% of residents here, above the 12.4% national rate.

The typical owner-occupied home in Rock CDP is valued at $128,100, 57.8% below the national figure and 23% below the $166,100 peer median, while median gross rent runs not published a month. The home-price-to-income ratio works out to 1.8×, against roughly 3.9× nationally, so purchase prices are unusually low against local pay, the pattern in places where supply is plentiful and wage growth has been flat. 83.3% 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.

With 178 residents, a handful of survey responses moves every median on this page. Compare Rock CDP against its county rather than against national figures.

The Census withheld gross rent for Rock CDP 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.