Overview
163
Total Population
29.1
Median age
50.92%
Female population %
96.4:100
Gender ratio (M:F)
5-9 years
Largest age group
85.2
Total dependency ratio
White
Largest racial group
13
Hispanic population
Sources: U.S. Census Bureau, American Community Survey (ACS) 2021
TABLE OF CONTENTS
Age
Williamson's population is young compared to the rest of the country:
- The median age in Williamson is 29.1, compared to 38.8 nationwide, according to the American Community Survey 2017 - 2021 5 Year estimates.
- Williamson's population under 18 was 36.81%, compared to the 22.51% nationwide.
- Williamson's elderly or the senior population (over 65 age) was 12.88% as compared to 16.04% nationwide.
- Of the total population in Williamson, 33.13% were under the age of 15, 19.63% aged 15 to 29, 34.36% aged 30 to 64, 11.66% aged 65 to 84, and 1.23% were 85 years of age and older.
Read more about Williamson, IA population by age ➔
Gender
There are 3 more females than males in Williamson:
- The female percentage in the USA is 50.50% while the male percentage is 49.50%, compared to 50.92% females and 49.08% males in Williamson, IA.
- The Williamson, IA gender ratio is 96.4:100 i.e. 96.4 men to 100 women (0.964).
- For male population, the largest age group is 40-44 years with a population of 12.
- For the female population, the largest age group is 5-9 years with a population of 25.
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Race / Ethnicity
Williamson's population is not that diverse:
- Racial distribution of Williamson population: 94.48% are White, 1.23% are some other race and 4.29% are multiracial.
- Williamson's racial breakdown clearly shows that there is an absolute majority of White population in the city.
- By ethnicity, 13 is Hispanic or Latino (of any race), and 15 (92.02% of the total population) is Non-Hispanic.
- The largest racial group in Williamson is White with a population of 154 (94.48% of the total population).
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Year by year
Williamson's population has already reached its peak and is showing a trend of decline:
- The peak population was 164 in the year 2004
- From 2000 to 2010, Williamson's population decreased by 5 (3.09%), as compared to the national growth of 9.63%.
- From 2010 to 2020, Williamson's population decreased by 40 (25.48%), 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, Williamson's population was lowest in year 2020 at 117.
Read more about Williamson, 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)