In 2023, Frontenac, KS had a population of 3.38k people with a median age of 40 and a median household income of $56,867. Between 2022 and 2023 the population of Frontenac, KS declined from 3,384 to 3,381, a −0.0887% decrease and its median household income grew from $54,905 to $56,867, a 3.57% increase.
The 5 largest ethnic groups in Frontenac, KS are White (Non-Hispanic) (89.9%), Two+ (Non-Hispanic) (4.61%), Black or African American (Non-Hispanic) (2.84%), Asian (Non-Hispanic) (2.6%), and White (Hispanic) (0%).
None of the households in Frontenac, 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 Frontenac, KS are U.S. citizens.
In 2023, the median property value in Frontenac, KS was $165,400, and the homeownership rate was 69%.