St. Donatus, IA population, income and ZIP codes

St. Donatus city is a very small community in Iowa, with 131 residents counted in the Census American Community Survey 2019-2023 ACS 5-year estimates, which places it #802 of 1,026 ranked by population — larger than 21% of them. The median age here is 60.3 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 St. Donatus city earn a median of $41,813 a year, 46.8% below the national figure of $78,538 and 38% below the $67,791 median for the 290 Iowa cities we cover. This figure covers the household, not the worker: two people on ordinary wages at one address outrank a single professional in the same table. Poverty reaches 17.6% of residents here, above the 12.4% national rate.

The typical owner-occupied home in St. Donatus city is valued at $207,400, 31.6% below the national figure and 33% above the $156,300 peer median, while median gross rent runs $945 a month, 32.8% below the national figure, or roughly $11,340 across a full year. A household on the local median income would put about 27.1% 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 5×, against roughly 3.9× nationally, so buying is harder here than in the average US market. 82.7% 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. 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 60.3 puts St. Donatus city 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. With 131 residents, a handful of survey responses moves every median on this page. Compare St. Donatus city against its county rather than against national figures.

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.