Overview
11,292
Total Population
40.8
Median age
52.55%
Female population %
90.3:100
Gender ratio (M:F)
60-64 years
Largest age group
67.0
Total dependency ratio
White
Largest racial group
533
Hispanic population
Sources: U.S. Census Bureau, American Community Survey (ACS) 2021
TABLE OF CONTENTS
Age
Spencer's population is old compared to the rest of the country:
- The median age in Spencer is 40.8, compared to 38.8 nationwide, according to the American Community Survey 2017 - 2021 5 Year estimates.
- Spencer's population under 18 was 23.10%, compared to the 22.51% nationwide.
- Spencer's elderly or the senior population (over 65 age) was 21.16% as compared to 16.04% nationwide.
- Of the total population in Spencer, 18.98% were under the age of 15, 17.45% aged 15 to 29, 42.41% aged 30 to 64, 17.90% aged 65 to 84, and 3.26% were 85 years of age and older.
Read more about Spencer, IA population by age ➔
Gender
There are 576 more females than males in Spencer:
- The female percentage in the USA is 50.50% while the male percentage is 49.50%, compared to 52.55% females and 47.45% males in Spencer, IA.
- The Spencer, IA gender ratio is 90.3:100 i.e. 90.3 men to 100 women (0.903).
- For male population, the largest age group is 60-64 years with a population of 438.
- For the female population, the largest age group is 15-19 years with a population of 474.
Read more about Spencer, IA population by gender ➔
Race / Ethnicity
Spencer's population has become increasingly diverse:
- Racial distribution of Spencer population: 93.90% are White, 0.12% are Black or African American, 0.21% are American Indian and Alaska Native, 0.72% are Asian, 1.04% are some other race and 4.02% are multiracial.
- Spencer's racial breakdown clearly shows that there is an absolute majority of White population in the city.
- By ethnicity, 533 is Hispanic or Latino (of any race), and 10,759 (95.28% of the total population) is Non-Hispanic.
- The largest racial group in Spencer is White with a population of 10,603 (93.90% of the total population).
Read more about Spencer, IA population by race ➔
Year by year
Spencer's population has not reached its peak yet and is showing a trend of further growth:
- The peak population was 11,413 in the year 2022
- From 2000 to 2010, Spencer's population decreased by 73 (0.65%), as compared to the national growth of 9.63%.
- From 2010 to 2020, Spencer's population increased by 79 (0.70%), according to Census Bureau's Population Estimates Program. For the same period, the rate of growth for the United States was 7.17%.
- Between the year 2000 and 2022, Spencer's population was lowest in year 2008 at 10,981.
Read more about Spencer, IA population by year ➔
References
- U.S. Census Bureau American Community Survey (ACS) 2017-2021 5-Year Estimates
- U.S. Census Bureau Population Estimates Population Estimates Program (PEP)