In 2023, Hartwick, IA had a population of 104 people with a median age of N/A and a median household income of $85,000. Between 2022 and 2023 the population of Hartwick, IA declined from 108 to 104, a −3.7% decrease and its median household income grew from $72,500 to $85,000, a 17.2% increase.
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None of the households in Hartwick, 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.
97.1% of the residents in Hartwick, IA are U.S. citizens.
In 2023, the median property value in Hartwick, IA was $90,000, and the homeownership rate was 87.5%.
Most people in Hartwick, IA N/A, and the average commute time was 23.1 minutes. The average car ownership in Hartwick, IA was 2 cars per household.