Demographics in Spencer, IA
Population, age, race, ethnicity, and household statistics — 2023 ACS Data
Where is Spencer?
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Population
Source: U.S. Census Bureau ACS (2023)Total Population
11,393
Male
5,422
47.6%
Female
5,971
52.4%
Median Age
41.3
Race & Ethnicity
Source: U.S. Census Bureau ACS (2023)White93.7%
Black0.7%
Hispanic5.5%
Asian0.4%
Two or More4.3%
Other0.3%
Education & Household
Source: U.S. Census Bureau ACS (2023)Bachelor's or Higher
19.7%
High School or Higher
43.0%
Foreign Born
1.3%
Veterans
6.1%
Married
37.7%
Avg Household Size
2.2
Marital Status by Age
Source: U.S. Census Bureau ACS (2023)Spencer, IA has a population of 11,393 with a median age of 41.3. The racial makeup is 93.7% White, 5.5% Hispanic, 0.7% Black. About 19.7% of residents hold a bachelor's degree or higher. The foreign-born population is 1.3%.