In 2021, Smithfield, IL had a population of 175 people with a median age of 53.5 and a median household income of $53,125. Between 2020 and 2021 the population of Smithfield, IL declined from 181 to 175, a −3.31% decrease and its median household income grew from $43,750 to $53,125, a 21.4% increase.
The 5 largest ethnic groups in Smithfield, IL are White (Non-Hispanic) (99.4%), American Indian & Alaska Native (Non-Hispanic) (0.571%), White (Hispanic) (0%), Black or African American (Non-Hispanic) (0%), and Black or African American (Hispanic) (0%).
None of the households in Smithfield, IL 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 Smithfield, IL are U.S. citizens.
In 2021, the median property value in Smithfield, IL was $50,500, and the homeownership rate was 89.8%.
Most people in Smithfield, IL drove alone to work, and the average commute time was 35.5 minutes. The average car ownership in Smithfield, IL was 2 cars per household.