In 2023, Williams, IA had a population of 330 people with a median age of 42.5 and a median household income of $50,750. Between 2022 and 2023 the population of Williams, IA declined from 357 to 330, a −7.56% decrease and its median household income declined from $53,750 to $50,750, a −5.58% decrease.
The 5 largest ethnic groups in Williams, IA are White (Non-Hispanic) (88.2%), Two+ (Non-Hispanic) (10%), Two+ (Hispanic) (1.82%), White (Hispanic) (0%), and Black or African American (Non-Hispanic) (0%).
None of the households in Williams, IA 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.
99.1% of the residents in Williams, IA are U.S. citizens.
In 2023, the median property value in Williams, IA was $85,300, and the homeownership rate was 66.2%.
Most people in Williams, IA drove alone to work, and the average commute time was 24.6 minutes. The average car ownership in Williams, IA was 2 cars per household.