St. Charles, ID population, income and ZIP codes

St. Charles city is a very small community in Idaho, with 168 residents counted in the Census American Community Survey 2019-2023 ACS 5-year estimates, which places it #201 of 236 ranked by population — larger than 14% of them. The median age here is 43 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 St. Charles city earn a median of not published a year. 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 8.9% of residents here, below the 12.4% national rate.

The typical owner-occupied home in St. Charles city is valued at $197,700, 34.8% below the national figure and 27% below the $271,500 peer median, while median gross rent runs not published a month. 98.2% 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.

With 168 residents, a handful of survey responses moves every median on this page. Compare St. Charles city against its county rather than against national figures.

The Census withheld household income, gross rent for St. Charles city 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.