In 2023, Spencer, IA had a population of 16.4k people with a median age of 41.8 and a median household income of $64,082. Between 2022 and 2023 the population of Spencer, IA grew from 16,423 to 16,446, a 0.14% increase and its median household income grew from $61,756 to $64,082, a 3.77% increase.
The 5 largest ethnic groups in Spencer, IA are White (Non-Hispanic) (91.7%), White (Hispanic) (2.84%), Two+ (Non-Hispanic) (2.35%), Two+ (Hispanic) (1.41%), and Black or African American (Non-Hispanic) (0.547%).
None of the households in Spencer, 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.
99.4% of the residents in Spencer, IA are U.S. citizens.
In 2023, the median property value in Spencer, IA was $171,500, and the homeownership rate was 72.7%.
Most people in Spencer, IA drove alone to work, and the average commute time was 19.1 minutes. The average car ownership in Spencer, IA was 2 cars per household.
Spencer, IA borders Spirit Lake, IA and Storm Lake, IA.