In 2023, Thornburg, IA had a population of 43 people with a median age of 60.5 and a median household income of $39,821. Between 2022 and 2023 the population of Thornburg, IA declined from 59 to 43, a −27.1% decrease and its median household income declined from $50,417 to $39,821, a −21% decrease.
The 5 largest ethnic groups in Thornburg, IA are White (Non-Hispanic) (83.7%), White (Hispanic) (16.3%), Black or African American (Non-Hispanic) (0%), American Indian & Alaska Native (Non-Hispanic) (0%), and Asian (Non-Hispanic) (0%).
None of the households in Thornburg, 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.
100% of the residents in Thornburg, IA are U.S. citizens.
Most people in Thornburg, IA drove alone to work, and the average commute time was 36 minutes. The average car ownership in Thornburg, IA was 3 cars per household.