In 2023, Grinnell, KS had a population of 376 people with a median age of 41.1 and a median household income of $62,500. Between 2022 and 2023 the population of Grinnell, KS grew from 320 to 376, a 17.5% increase and its median household income grew from $56,042 to $62,500, a 11.5% increase.
The 5 largest ethnic groups in Grinnell, KS are White (Non-Hispanic) (96%), Two+ (Non-Hispanic) (2.93%), Asian (Non-Hispanic) (0.798%), White (Hispanic) (0.266%), and Black or African American (Non-Hispanic) (0%).
None of the households in Grinnell, KS reported speaking a non-English language at home as their primary shared language. This does not consider the potential multi-lingual nature of households, but only the primary self-reported language spoken by all members of the household.
100% of the residents in Grinnell, KS are U.S. citizens.
In 2023, the median property value in Grinnell, KS was $123,400, and the homeownership rate was 93.5%.